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HomeMy WebLinkAbout1.022 Notebook 2 - Part 30 0 w U w O CC u_ w J w z CD O J w 0 w CC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. TH-10 PAGE 2 OF 6 DEPTH 15 FT TO 30 FT NORTH ' DRILLER Layne Christensen DATE START 8/3/09 EAST ' RIG Percussion Hammer DATE FINISH 8/4/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 75.90' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH ' DATE MEAS. DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page 15 16 PH 0.0 = = 7— 17 18 19 8.0 - - - -20 _ - 21 _0 7-22 _ -23 -24 PH 0.0 °�' ° ° .0 •D o'Q' Q.' ° ..c ?o.' DC e().-0.- ?o• D 0q °.•, °. 0. • , 20.0 - 28.0 SAND, GRAVEL AND COBBLES. Red and multi -colored, f.g. to c.g., cobbles sub -rounded to rounded, grading to more cobbles with depth, tr. silt, tr. clay. Dry to damp. = _ - = - _ - -25 = 726— -27 8.0 )o.' o ° O. ', .o •D o • •c .0 D )o- D n'.n _ - _ -28 = -29 PH 0.0 28.0 - 30.0 SAND. Reddish -brown, loose, little gravel, tr. silt, tr. clay, tr. rounded cobbles. Damp. _ 2.0 = 30 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core 4� i Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ilii Silt r/ / Siltstone 35-50% And 0 0 w U w O CC u_ LL J w z CD O J w 0 0 w CC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. TH-10 PAGE 3 OF 6 DEPTH 30 FT TO 45 FT NORTH ' DRILLER Layne Christensen DATE START 8/3/09 EAST ' RIG Percussion Hammer DATE FINISH 8/4/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 75.90' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH ' DATE MEAS. DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page - 30 -31 -32 33 P• H 0.0 0 0 . o ° o ° 0 o 0 .0 0 ` 0. 0 . 0. ( o' • .o . c 0 0 30.0 - 37.0 SAND AND GRAVEL. Tan -brown, loose, f.g to c.g., little well-rounded cobbles, tr. clay, tr silt. Dry. Cobbles smaller in size than previous intervals then increasing in size and frequency below - 37.0' b.g.s. = - - - - _ - _ = 34 — -35 -36 7.0 0 0 • 0 o o .0 . c 0 0 o c 0 0 • 0 c a 0 0 . c 0 0 - 0 • _ = - _ - - - 7-37 38 -39 - 740 -41 - —42 = PH 0.0 0'37.0 ° °, )o' •D d� °.9 )o. D 6. ° ° , P.Q Q. °. 0. , r o()..0. °. s o 6.0...Q; - 48.0 GRAVEL AND COBBLES. Multi -colored, loose, some f.g. to c.g. sand, tr. silt, tr. clay, cobbles sub -rounded (granitic and volcanic). Dry. Cobbles grading to sub -rounded and well-rounded with depth (below -45.0'). _ - - - - - =43 -44 - 11.0 °. 0 . f )o. D ?o D n'.N _ 45 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void , ilii iii Silt i! / Siltstone 35-50% And 0 0 w U w O CC u_ J w z CD O J w 0 w CC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. TH-10 PAGE 4 OF 6 DEPTH 45 FT TO 60 FT NORTH ' DRILLER Layne Christensen DATE START 8/3/09 EAST ' RIG Percussion Hammer DATE FINISH 8/4/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 75.90' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH ' DATE MEAS. DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page 45 -46 - -47 a • O. •C )o' Dr °0. 0.. ?o' D — T. - -48 PH 0.0 0•. • J °.F� o • , 48.0 - 49.0 Large boulder(s), (basaltic and granitic). = 1.0 D• 490:: = PH 0.0 °(�°' 49.0 - 50.0 Large boulder(s), (basaltic and granitic). _ = 1.0 .0' D Cl.r� 750 = = —51 - 7-52 53 PH 0.0 . 50.0 - 57.0 SAND. Red -brown and multi -colored, loose, v.f.g. to c.g., some gravel, little silt, little cobbles. Dry. Cobbles are sub -rounded. Boulder at 52.0'. Damp overall. Moisture present on clays coating cobbles below 52.0'. More moisture at 55.0' in clays coating cobbles. Grades to some cobbles below 55.0'. - _ = - - - -54 - 55 -56 7.0 - -57 PH 0.0 °'%• °'� ' ` 57.0 - 58.0 Large basalt boulder. Temp. TD = 58.0'. 8/4/09 Reset at borehole and continue drilling at 58.0'. _ 1.0 .o' . D� 0 = -58 _ -59 PH 0.0 • 0�. °' ` o. a ° ` o' .0 .c 0 a . '0 r 58.0 - 62.0 SAND AND GRAVEL. Red -brown, loose, little cobbles, sub -rounded to rounded, f.g. to c.g., tr. silt, tr. clay. Moist. = _ - _ 60 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ilii Silt r/ / Siltstone 35-50% And 0 413 0 w rn w U w CD CC u_ w J w z CD O J w 0 m w CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. TH-10 PAGE 5 OF 6 DEPTH 60 FT TO 75 FT NORTH ' DRILLER Layne Christensen DATE START 8/3/09 EAST ' RIG Percussion Hammer DATE FINISH 8/4/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 75.90' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH ' DATE MEAS. DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page - 60 -61 4.0 a ° ° ` o' o .0 . _ - T. 7-62 -63 PH 0.0 ° ° °' 6- 62.0 - 64.0 COBBLES. Red -brown and gray, loose, sub -rounded to rounded. Large granite boulder at lowest interval. _ 22.0 °.I. O. 's °� _ =64 _ -65 - 66 -67 _ =68 -69 - PH 0.0 °' . ° ° )o' o.0.O. 0 0.' ` .0 '• D 6. pO 3 oQ °. • °. •••s o.Q.'r . 0.�°.• . )o•D o.Q.. 64.0 - 75.0 COBBLES AND GRAVEL. Red -brown, loose, sub -rounded to well-rounded, some f.g. to c.g. sand. Damp. All cobbles and gravel coated with FeO-rich (heavily oxidized) clay and silt. Cobbles volcanic and granitic. Tr. intermittent boulders throughout. = — - _ _ = -70 -71 72 73 —74 11.0 °. ° s .• D• .o'.D 6.Q.' )o.. D ).o._ a.Q. a Q.' o D. - - _ - _ _ 75 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ,,.,- ilii Silt / / Siltstone 35-50% And 0 d O ui Lu U Lu C LL g wW z C O J w iY 0 m 0 w CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. TH-10 PAGE 6 OF 6 DEPTH 75 FT TO 75.9 FT NORTH ' DRILLER Layne Christensen DATE START 8/3/09 EAST ' RIG Percussion Hammer DATE FINISH 8/4/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 75.90' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH ' DATE MEAS. DEPTH SAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page -75 PH 0.0 t�gOC 75.0 - 75.5 GRAVEL. Multi -colored, loose. Dry. (No FeO coating). PH 8: ' pa .pal 75.5 - 75.9 Dense granite boulder (resistance with drill rig.) Driller 7. ,,N-4, .-•.- 0.4 \ noted 2,000+ blows for the 0.4' interval. Remove pipe from borehole / and backfill with removed material. SYMBOLS SAMPLE TYPES FRACTURES J LITHOLOGY PROPORTIONS APPROVED BY: DATE: BR Brass Rings CT Cuttings None -Light 33 C Gravel o A Fill 0-10% Trace IIIIII CS Continuous Sampler / Moderate Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core �����Heavy •_�_ Cla y Cla stone y 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void //% iii/ Silt / / Siltstone 35-50% And 0 CO 0 w U w O cC u_ w J w z O O J w 0 w cC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -3 PAGE 1 OF 8 DEPTH 0 FT TO 15 FT NORTH ' DRILLER Layne Christensen DATE START 8/6/09 EAST ' RIG Percussion Hammer DATE FINISH 8/6/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 119.00' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 99' DATE MEAS. 8/6/09 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core = 0 _ _ -2 __ PH 0.0 / ///, ////, /����, � /////, /////, /////, /////, /////, 0.0 - 5.0 SILT. Brown, loose, some clay, tr. v.f.g. sand, tr. gravel. Dry _ _ – - = _ =4 _ 5.0 /////, /////, iii/, /////, /////, /////, /////, /////, Q// /.' _ – - 5 6° —7 — -8 —o =9 — -10 -11 - 12 PH 0.0 ° ` °. o 0 c ° . o . o C o. 0 °. C a .o . c 0 •o C 0 0 . °. c 0 0 .0 . c 0 ° 0 C 0 ° °. . 0 0 . C 0 0 0. o 5.0 - 19.0 SAND AND GRAVEL. Reddish -brown, loose, sub -rounded to well-rounded, grading to some gravel at 10.0' then back to and gravel at 13.0', little silt, little clay, tr. cobbles. Dry. - - - = - – _ – - _ - – -13 -14 = 14.0 • o c o 0 0 . C 0 ° 0 C o. ° ° ' o .0 . C 0 '0 ' o _ - - - -_ - - 15 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY: DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void / / / / //// Silt r / Siltstone 35-50% And 0 0 w U w O CC u_ w J w z CD O J w 0 w CC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -3 PAGE 2 OF 8 DEPTH 15 FT TO 30 FT NORTH ' DRILLER Layne Christensen DATE START 8/6/09 EAST ' RIG Percussion Hammer DATE FINISH 8/6/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 119.00' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 99' DATE MEAS. 8/6/09 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page 15 -16 _ —17 -18 —o 0 0 e Q ° ` 0' o .o . c 00 • 0 c 0 . Q 0 c• ° d .0 . c 0 0 • ( O Q _ T. - - 19'3•)- - =20 -21 PH 0.0° Q ° � .o •D 6.0...0.• 00 Q.— 6.0..0.. •n 19.0 - 25.0 GRAVEL AND COBBLES. Multi -colored, loose, sub -rounded to rounded, grading to little cobbles at 22.0', some f.g. to c.g. sand, tr. silt, tr. clay. Dry. = - -22 – 23 -24 - 6.0 °� .. )o– '•D oQ °. • 0. •• s o.Q. Q.- °.�°.•.• 6()...0.. - - _ 25 _ — 26 - 27 PH 0.0 ° ° •25.0 ° `• 0. Q °, 0' o 0 . c '0. ' c - 29.0 SAND AND GRAVEL. Brown and multi -colored, loose, sub -rounded to rounded, f.g. to c.g. sand, some cobbles, little silt, tr. clay. Damp. Basalt boulder at 29.0'. _ — - - — = - 28 —o 4.0 0 . Q 0. c .0 . c C 0 ' c O Q = - — —29_ = PH 0.0 Q.. °.f� o:.., 29.0 - 30.0 GRAVEL AND COBBLES. Multi -colored, loose. D. _ = = 1.0 )'D _.0 t. H. _ _ 30 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ,,., ilii Silt r/ / Siltstone 35-50% And 0 CO 0 w U w O CC u_ w J w z CD O J w 0 CIO 0 w CC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -3 PAGE 3 OF 8 DEPTH 30 FT TO 45 FT NORTH ' DRILLER Layne Christensen DATE START 8/6/09 EAST ' RIG Percussion Hammer DATE FINISH 8/6/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 119.00' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 99' DATE MEAS. 8/6/09 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page - 30 -31 -32 33 _ 34 = — -35 -36 _ -37 – PH 0.0 0 0 . o a o c ° o .0 0 .0 0 ` 0. a 0. C• o' .o . c 0 0 • o 0 0 • 0 o o .o . c 0 0 o c 0 0. . 0. c ° 0 o . c 0 •0 • ° c o . a ° o 30.0 - 45.0 SAND AND GRAVEL. Brown and multi -colored, loose, sub -angular to well-rounded, some cobbles, tr. clay, little silt. Dry. Intermittent red FeO-rich intervals. Slight silt and clay coating on cobbles/gravel below 40.0'. - - T. _ _ - _ = — _ - - = – = -38 - 39 _ _ 40 -• -41 _ — -42 - — -43 - -44 15.0 o .0 .c 0 o - 0 C o. a • ° o' o .o . c ° ° . o c 0. a 0 0 0 .0 .c 0 0 . o c 0 0 • 0 C o o .o . c 0 0 ° c 0 0. 0• ° 0 o . c 0 0 • ° _ - - _ _ = = - - - — - — _ - - - _ 45 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY: DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void , ,' , ilii Silt i! / Siltstone 35-50% And 0 0 w U w O CC u_ J w z CD O J w 0 w CC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -3 PAGE 4 OF 8 DEPTH 45 FT TO 60 FT NORTH ' DRILLER Layne Christensen DATE START 8/6/09 EAST ' RIG Percussion Hammer DATE FINISH 8/6/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 119.00' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 99' DATE MEAS. 8/6/09 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page _ -46 7- 47 -48 = =49 -50 - -51 - 52 — -53 _ 54 55 PH 0.0 °45 ° o a •0 0 o .0 0 .0 ° ` 0. 0 . 0. C• o' .o . c 0 0 • 0 c 0 0 • 0 o o 0 . c 0 0 0 c o ° • 0. c ° 0 0 . c 0 .0 • 0 c o . a 0 0 0 o . c 0 0 0 C o. a • ° ' o .0 . c o c 45.0 - 65.0 SAND AND GRAVEL. Red -brown, loose, sub -rounded to rounded, little to some cobbles, little silt and little clay coating on cobbles/gravel. Damp. Lessening silt and clay coating below 55.0', increasing at 60.0' with deep red -brown color. - - T. _ - - - - _ - - = — - = - 756 = - 57 - -58 -• -59 20.0 . 0 . a a .o . c 0 • 0 • o a o c o c 0 ° o c 0 0. o ° ° 0 . c o •o . ° c - - _ - - - - _ 60 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void , ,- ,- ilii Silt r/ / Siltstone 35-50% And 0 0 w U w O CC u_ w J w z CD O J w 0 CIO 0 w CC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -3 PAGE 5 OF 8 DEPTH 60 FT TO 75 FT NORTH ' DRILLER Layne Christensen DATE START 8/6/09 EAST ' RIG Percussion Hammer DATE FINISH 8/6/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 119.00' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 99' DATE MEAS. 8/6/09 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page - 60 = -61 -62 63 _ 64 = 0 0 • o c e ° ° ` o' o .o . c 00 0 ` o. 0. 0. C• o' .o . c 0 0 • o 0 0 • °. o' o o . c = _ T. - - _ = -65° _ -66 - - 67 — = -68 —o -69 — 770 _ - =71 - - 72 — -73 = -74 = = ° ° ` °. 0 0 .0 . c 0 .o . °. • c 0. ° 0. C .0 . c o o • • c 0 0 • 0. c o o 0 . c 0 °— 0 C o ° 0. c ° ° o . c o o o c 0 . 0 0. o 0 0 . c 0 0 0 ' C o. 0. ° o' .0 . c- 0 0 • 0 65.0 - 99.0 SAND AND GRAVEL Red -brown, loose, some cobbles, little silt and little clay throughout and coating gravel and cobble surfaces. Coating decreasing at 77.0' to 78.0' then increasing to original coating. Color grading to brown at 83.0'. Moist clays at 91.0', moist to wet at 99.0' on silt and clay coated gravel/cobbles. - - - — - _ - — — _ — - _ _ = - 75 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ilii Silt / / Siltstone 35-50% And 0 to 0 w U w O CC u_ w J w z CD O J w 0 w CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -3 PAGE 6 OF 8 DEPTH 75 FT TO 90 FT NORTH ' DRILLER Layne Christensen DATE START 8/6/09 EAST ' RIG Percussion Hammer DATE FINISH 8/6/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 119.00' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 99' DATE MEAS. 8/6/09 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core from previous page 75Continued = - 76 —77 78 - =79 = — - 80 —81 - _ 82 PH 0.0 0 0 o c 0 a ° ` o o o . c- 0° • o c o. a . °. C o' .o . c 0 0 • ° c 0 a • 0 o o .o . c ° ° 0 c 0a o• c ° ° 0 . c o o ° c 0. a = _ _ - - _ - = — — _ _ _ - 7- = — 83 - 84 _ -85 -• -86 _ — 87 - — _ - -89 34.0 • ° 0 o .0 . c 0 ° ' o c o. a • ° .0 . c ° ° . 'o c o. a 0 0 0 .0 .c 0 0 . o c 0 a • o c o' o 0 0 .o . c o c 0 0 0• ° ° 0 . c 0 0 • - — - - - - = - - - - — - — - - - - _- 90 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay r/ Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ilii Silt r/ / Siltstone 35-50% And 0 to 0 w w U w O CC u_ w J w z CD O J w 0 w CC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -3 PAGE 7 OF 8 DEPTH 90 FT TO 105 FT NORTH ' DRILLER Layne Christensen DATE START 8/6/09 EAST ' RIG Percussion Hammer DATE FINISH 8/6/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 119.00' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 99' DATE MEAS. 8/6/09 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page 90 = -91 -92 93 _ -94 _ 95 _ -96 -97 — -98 0 0 o c 0 a ° ` o' o .o . c 0o ° ` o. a . o. C o' .o . c 0 0 • o 0 a . 0 C o' o o . c 0 0 0 C 0a °. a 0 0 . c 0 0 • o c 0. a °, o 0 .0 . c 0 0 • 0 C o. a ° C. = _ _ - - - _ - _ — i -99 _ -1000 7101 -102 _ _ =103 – -104 0 . °• ` o a o o— o c- 0 0 • o. o. 0 o- c o' o .o . c 0 'o • o • � 0 a• 0 c o o .o . c 0 0 ° c 0. 0 °. c 0° 99.0 - 119.0 GRAVEL AND SAND. Brown, loose, sub -rounded to rounded, f.g. to c.g., little cobbles, little silt, little clay. Wet. TD = 119.0' b.g.s. Set 20.0' 2.0" pvc screen at TD. - - - = - _ - – -- 7. 105 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY. DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ,,., ilii Silt r/ / Siltstone 35-50% And 0 to 0 w U w CD CC u_ w J w z O O J w 0 m 0 w CC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -3 PAGE 8 OF 8 DEPTH 105 FT TO 119.0 FT NORTH ' DRILLER Layne Christensen DATE START 8/6/09 EAST ' RIG Percussion Hammer DATE FINISH 8/6/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 119.00' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 99' DATE MEAS. 8/6/09 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core from previous page 105Continued -106 —107 -108 _ PH 0.0 0 0 • 0 a ° ` 9 o o . c ° ° • o c o. a . 0. C o' o .0 . c 0 0 • o _ _ = - -109 — -110 = - -111 -112 — -113 -114 _ -115 - -116 - — 117 — =118 __ -119 20.0 • 0 C o' o o c 0 0 0 • c 0.C ° 0 . o . c 0 0 • o ' c 0 . 0. 0,C 9 o .0 . c 0 0 • '0 C 0. a o ` o' o . c ° • 0 0 o. a • 0• C 0 0 .0 .c 0 .0 ' o c 0 0. 0 c 0' o .o . c 0 ° 0 0. o c a d___, - — = — - _ _ - – - - - - - — - — - - SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY. DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace Illlll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay r/ Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ilii Silt r/ / Siltstone 35-50% And a O ui Lu U Lu 0 u_ J W z (7 O J Lu 0 co 0 Lu CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -2 PAGE 1 OF 8 DEPTH 0 FT TO 15 FT NORTH ' DRILLER Layne Christensen DATE START 8/5/09 EAST ' RIG Percussion Hammer DATE FINISH 8/6/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 119.10' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 99' DATE MEAS. 8/6/09 DEPTH SAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core 0 PH 0.0 / - 4.0 CLAY AND SILT. Dark brown, soft, little f.g. to m.g. sand. 0.D0amp. -2 3 4.0 �• '•. _ - 4 =• = -5 =6 -7 -8 -9 _ PH 0.0 4.0 - 15.0 SAND. Reddish -brown, loose, f.g. to c.g., some gravel, tr. cobbles, little silt, little clay. Damp. Cobbles and gravel sub -angular to sub -rounded, grading to well-rounded with depth. = _ -7. - -7. - _ = =10 -11 12 -13 =14 11.0 = _ 7. - - _ 15 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES jLITHOLOGY PROPORTIONS APPROVED BY: DATE: BR Brass Rings CT Cuttings None -Light ;DSC Gravel o A Fill 0-10% Trace IIIIII CS Continuous Sampler / Moderate Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core ,��Heavy •_�_ Cla y Cla stone y 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash .//% Void iii/ Silt � / Siltstone 35-50% And 0 to 0 w U w CD CC u_ J w z CD O J w 0 w CC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -2 PAGE 2 OF 8 DEPTH 15 FT TO 30 FT NORTH ' DRILLER Layne Christensen DATE START 8/5/09 EAST ' RIG Percussion Hammer DATE FINISH 8/6/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 119.10' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 99' DATE MEAS. 8/6/09 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page = 15 = = -16 _ PH 0.0 opopC oo,00 o�'o O`C p p o30°(3C =ao,,ao ��C 15.0 - 18.0 GRAVEL AND SAND, Red, loose, sub -angular toc. sub -rounded, little cobbles, tr. silt, tr. clay. Dry. _ = = -17 _ 3.0 t3*� ° ° o�o.c ° ° o5QCC ,op,op °(3.&r . – =18 = 19 PH 0.0 18.0 - 20.0 SAND. Brown, loose, f.g. to c.g., some gravel, sub -rounded to rounded, little cobbles, tr. clay, tr. silt. Dry. _ _ 2.0 720° - —21— —22 = PH 0.0 °. • ° • ` o. a o. c oo 0 . c 0 ' o ' ° `• o. a • o• c 20.0 - 25.0 SAND AND GRAVEL. Brown and multi -colored grading to reddish -brown, loose, sub -angular to sub -rounded, little cobbles, tr. silt, tr. clay. Dry, grading to damp at 23.0' b.g.s. _ - = -23 —o 24 = 5.0 .o . c 0 0 c 0 a o c 0 0 .o . c - – - -25a. _ 726 - 27 =28 -29 - ,'. Q: °.�p. .0 D 0.0.0. o, c 6. o, c 0� 6. p. 0 . n o .' Q. 25.0 - 62.0 GRAVEL AND COBBLES. Multi -colored, loose, sub -rounded to rounded, cobbles decreasing to some below 52.0, some f.g. to c.g. sand, tr. clay, tr silt. Dry. Intermittent FeO stained intervals throughout. Cobbles and gravel are granitic and volcanic. = — = - - - 30 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core 4� t Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ilii Silt r/ / Siltstone 35-50% And 0 0 w r� w U w O CC u_ J w z CD O J w 0 CIO 0 w CC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -2 PAGE 3 OF 8 DEPTH 30 FT TO 45 FT NORTH ' DRILLER Layne Christensen DATE START 8/5/09 EAST ' RIG Percussion Hammer DATE FINISH 8/6/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 119.10' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 99' DATE MEAS. 8/6/09 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page :30 - 31 7-32 33 _ = 34°' -35 = - 36 -37 = 38 39 40 -41 -420 -43 PH 0.0 C -d. o, )o: DC 0' 6.— ? b p0O )o• •D oQ 0.�°. s )0. o D o' o• •c o.' D .oD 0'Q''Q -o• D °.''C 6. °. 'C ?o' 0' °o.9' o, c o. q . 5 e 0 ` •oD - _ _ _ — _ = - - - - - - _ - = 44 = 37.0 - 6. °°:. )o• • = 45 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY: DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ,,-,- ilii Silt / / Siltstone 35-50% And a O W Lu U W 0 rX u_ u_ J W z (7 O J Lu 0 co 0 w CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -2 PAGE 4 OF 8 DEPTH 45 FT TO 60 FT NORTH ' DRILLER Layne Christensen DATE START 8/5/09 EAST ' RIG Percussion Hammer DATE FINISH 8/6/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 119.10' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 99' DATE MEAS. 8/6/09 DEPTH SAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core from previous page - 45Continued -46 =47 - 49 _.- 50 -51 52 53 --_L- -54 _ =55 =56 57 58 - -59 o Q. 6.0.43. o. •c 69..Q.• o. •c 69..Q.• Q oQ o; o.�.ba. 69. 13; jp.p o. •c ?....t O.O. (--'f.' �p•'D ?O • b. • o.Q.Q. o, c 0. •b 69: 0; °9:Q_ o.••c p ©o. Q. • 4y° ?o' . D o. . o. •c Er. Q. �JJ _ _ 7. _ _ -7.�p•_ - - -_ - _ - T. _ - - _ - _ 60 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES j LITHOLOGY PROPORTIONS APPROVED BY: DATE: BR Brass Rings CT Cuttings None -Light 3D C Gravel o A Fill 0-10% Trace IIIIII CS Continuous Sampler /Moderate Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core �����HeavyClay •_�_ Claystone y 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void //% iiii Silt r / Siltstone 35-50% And 0 0 w U w O CC u_ w J w z CD O J w 0 w CC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -2 PAGE 5 OF 8 DEPTH 60 FT TO 75 FT NORTH ' DRILLER Layne Christensen DATE START 8/5/09 EAST ' RIG Percussion Hammer DATE FINISH 8/6/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 119.10' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 99' DATE MEAS. 8/6/09 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page :60 -61 -62 o. ••c 00 . 0.. K 0.0...n..- - 63 _ 64 -65 = = 66 PH 0.0 ° ° °• ` o. a o o• o .0 . c o •o °• . `. 0. a • 0. C o o .o . c • 0 0 0 C °' a 62.0 - 70.0 GRAVEL AND SAND. Red -brown, loose, sub -angular to sub -rounded, little cobbles, little clay and little silt coating on cobbles and gravel, FeO stained. Damp. - - - _ _ - - - - -67 _ _ -68 - -69 -- 8.0 ° ` o o .0 . c ° ° • o 0 a o ° • ° .0 . 0 • 0 . 'o c 0. a 0,C .o c - - - _ - = - -70° _ -71 - 72 PH 0.0 ° • 0 `• 0. 0 0 0 0 .0 . C •0 ' c 70.0 - 74.0 GRAVEL AND SAND. Multi -colored, loose, angular to rounded, f.g. to c.g., some cobbles, little silt, little to tr. clay. Dry. - - - - — = 73 __ 4.0 0 . a 0. C 0' o .0 . c 0 .0 ' o c 0 a - = = — -74 = = opo°pC 000.00 o�o�C ao n ,o C� 74.0 - 80.0 GRAVEL. Red -brown, loose, sub -rounded to rounded, some f.g. to c.g. sand, little cobbles, little silt and little clay coating on cobbles and gravel, FeO stain throughout. Damp. Moisture and =7. = - 75 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY: DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core 4� i Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ,- ilii iii Silt / / Siltstone 35-50% And 0 CO 0 w r� w U w O CC u_ w J w z CD O J w 0 m w CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -2 PAGE 6 OF 8 DEPTH 75 FT TO 90 FT NORTH ' DRILLER Layne Christensen DATE START 8/5/09 EAST ' RIG Percussion Hammer DATE FINISH 8/6/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 119.10' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 99' DATE MEAS. 8/6/09 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page - 75 - = -76 - -77 PH 0.0 U 0� U p�O(36*C DOo�C 0 p�DC a 0C11, ooO_C clay/silt coating decreasing with depth. - =78 = 79 6.0 o�OoC ,00000 oCO*o° O oc c ,00000 oO.oC 0 oc hoc D - = = = -80 -81 PH 0.0 ° ° • °• ` o. a • 0 80.0 - 82.0 GRAVEL AND SAND. Multi -colored, loose, sub -angular to sub -rounded, f.g. to c.g., little cobbles little silt, tr. clay. Dry. _ = 2.0 0 • .° . .0 . C 0 0 . "° = - -82° _ -830 _ - 84 =85 =86 -87 _ -88 _ -89 • • ° • o. a • °. o • .o . • • 0 •0 °. C 0. 0 • o• c 0 0 .0 . C 0 'o • 0 0 • 0 c 0 0 .0 . c 0 • 0 • o c o. a o 0 0 .0 . c 0 0 o c 0. 0 0, .0 . C 82.0 - 100.0 SAND AND GRAVEL. Red -brown, loose, sub -rounded to rounded, f.g. to c.g., little cobbles, little silt and little to tr. clay coating on cobbles and gravel. Damp to moist. Silt and clay coating decreasing at -85.0' b.g.s. then increasing at -92.0' b.g.s. Moist at 95.0' b.g.s., wet at 99.0'. b.g.s. - = - = - _ - - - — - = = - _ 90 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ,,.,- ilii Silt r / Siltstone 35-50% And 0 to 0 ui w U w O CC u_ LL J w z CD O J w 0 CIO 0 w CC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -2 PAGE 7 OF 8 DEPTH 90 FT TO 105 FT NORTH ' DRILLER Layne Christensen DATE START 8/5/09 EAST ' RIG Percussion Hammer DATE FINISH 8/6/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 119.10' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 99' DATE MEAS. 8/6/09 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page 90 -91 PH 0.0 0 0 0 a ° _ = 7- 92 93 _ 94 = _ 95 -96 -97 -• — 98 -99•° _ 18.0 ° ° . .o . c 0 o ° ` o. a 0 c o' .0 . c 0 0 • 0 o a • 0 o' o 0 . c 0° ° C 0 a • °. c a ° 0 . c 0 0 ' o c 0. 0 0 o o o . c 0 0 ' 'o c o. a .o . c a a ° = -- T. — - - _ - = _ - = - — M - -100° _ -101 _ -102 — = =103 —o -104 = - ° • 0`• o. a °. °' o o . c ° a ° • c o. a o. c .0 . c 0 o ' c 0 a • °• C o o .0 . c 0• • ° 100.0 - 119.1 GRAVEL AND SAND. Red -brown, loose, little cobbles, little clay, little silt. Moist below 103.0', wet below 114.0'. TD = 119.1' b.g.s. Place 20.0' 2.0" pvc screen at TD. - - _ = - - - = 105 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ,,., ilii Silt r/ / Siltstone 35-50% And 0 0 w U w O CC u_ w J w z O O J w 0 m w CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -2 PAGE 8 OF 8 DEPTH 105 FT TO 119.1 FT NORTH ' DRILLER Layne Christensen DATE START 8/5/09 EAST ' RIG Percussion Hammer DATE FINISH 8/6/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 119.10' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 99' DATE MEAS. 8/6/09 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core from previous page 105Continued -106 —107 -108 _ =109 PH 0.0 0 0 • 0 0 ° ` o 0 o . c- 0o • o c o. 0 °. c o' o .0 . c 0 0 • o c 0 ° 0 c 0' o _ _ - - - – -110 = 111 -112 — 113 -114 = _ -115 - -116 - — 117 – =118 __ -119 19.1 0 c 0 0 o c 0 0 o. c o . o . c 0 0 • 0 . O. o o .o . c 0 0 • o c o. ° ° ` o' o . c o • o 0 o. O. • o• C ° o .0 .c ° .° . o c 0 0 o c o o .o . c ° ° 0 a o c 9 •° = - = – - — – - - SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY: DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace Illlll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay r/ Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ilii Silt r/ / Siltstone 35-50% And o_ t7 Lu U W 0 u_ LL W z (7 O J W 0 m 0 W CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. TW -2 PAGE 1 OF 10 DEPTH 0 FT TO 15 FT NORTH ' DRILLER Layne Christensen DATE START 10/8/10 EAST ' RIG Percussion Hammer DATE FINISH 10/9/10 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 150.00' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 110' DATE MEAS. 10/9/10 DEPTH SAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core 7-0 __ - _ _ -2 - - 3 _ 4 _ _ =6 - _ 8 ,,,,,, / /////, ////, /////, /////, /////, /////, /////, iii//, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, /////, 0.0 - 9.0 SILT. Brown, loose, little gravel, little clay, tr. v.f.g. sand. Dry- - - - _ _ — - " = - = - - - — -9 - „,�;; ;=; /////, 9.0 - 10.0 SILT. Red and multi -colored, some gravel, some f.g. to c.g. sand. Subrounded. Dry. _7. _ _ —11 -12 — = -13 =14 °° ° ` o. ° ° ` o' o .0 .< ° '° ' . c. o. ° . °. C o' o .0 . < 0 .° • .° . O ° ° o• o .0 . < ° .O • 10.0 - 20.0 SAND AND GRAVEL. Brown and multi -colored, loose, some silt, tr. clay, tr. cobbles. Angular to subrounded. Dry. — _ — _ 7. - = = - - - 15 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES JLITHOLOGY PROPORTIONS APPROVED BY: DATE: BR Brass Rings CT Cuttings None -Light 3D C Gravel o A Fill 0-10% Trace IIIIII CS Continuous Sampler / Moderate Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core ��HeavyClay 4_�_ Claystone y 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void //% //// Silt / Siltstone 35-50% And 0 to a LLI r� w U w O cC u_ a J w z CD O J w 0 w CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. TW -2 PAGE 2 OF 10 DEPTH 15 FT TO 30 FT NORTH ' DRILLER Layne Christensen DATE START 10/8/10 EAST ' RIG Percussion Hammer DATE FINISH 10/9/10 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 150.00' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 110' DATE MEAS. 10/9/10 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page 15 -16 —17 -18 = =19 = – 0 0 e a ° ` o' o o . c 0 0 • o c o. a 0. c o' .0 . c 0 0 • 0 C 0 0 • 0 o' o .0 . c _ T. - - = = – -20° _ —21 —22 — -23 —o - 24 -25 _ -26 - -27 -28 —29 = ° ° ` 0. a o c o' o 0 . c 0 ' ° ' 0 C o. a 0. C o' .0 . c o o • C 0 a . o c o o 0 . c 0 0 • 0 C o a 0. C ° 0 0 . c o o ° c 0. 0 0.C o 0 0 . c 0 0 0 ' C o. a ° ' o .0 . c 0 0 • o 20.0 - 30.0 SAND AND GRAVEL. Red -brown, loose, v.f.g. to c.g., some silt, tr. clay, tr. cobbles. Angular to subrounded. Dry. _ _ = - — - - _ - — _ — - - -_ = - 30 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void , ,' ,- ilii Silt i! / Siltstone 35-50% And 0 a w w U w CD CC u_ a J w z CD O J w 0 w cC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. TW -2 PAGE 3 OF 10 DEPTH 30 FT TO 45 FT NORTH ' DRILLER Layne Christensen DATE START 10/8/10 EAST ' RIG Percussion Hammer DATE FINISH 10/9/10 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 150.00' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 110' DATE MEAS. 10/9/10 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page - 30 -31 7-32 33 —o 34 = -35 -36 _ -37 38 - 39 _ ° o o a ° ` o' o .o . c 0 ° ° ` o. a °. c• o' .0 . c 0 0 • c 0 a • 0 o o .o . c 0 0 • o c 0 a • °. c a 0 o. c 0 0 • ° c 0. a • 0 o o .0 . c 0 ° ' 'o c o. a • ° .0 . c °a ° 30.0 - 40.0 SAND AND GRAVEL. Multi -colored, loose, some to little silt, tr. clay, tr. cobbles. Angular to well rounded. Dry. - T. - - _ _ = _ _ = _ = - - -40° _ —41 - _ -42 — = =43 -44 = ° • • 0 • `• o. 0 °, 0' o o . c 0 a ° • c o. a °' c .0 . c 0 ° ' 0 c 0 a . ° c o o .0 . c ° •o • 40.0 - 50.0 SAND AND GRAVEL. Brown and multi -colored, loose, some silt, tr. cobbles, tr. clay. Subangular to subrounded. Dry to damp. Intermittent zones with silt coating on cobbles and gravel. - — - _ - _ - = 45 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ,,., ilii Silt r/ / Siltstone 35-50% And 0 to 0 LLI w U w CD CC u_ J w z CD O J w 0 w cC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. TW -2 PAGE 4 OF 10 DEPTH 45 FT TO 60 FT NORTH ' DRILLER Layne Christensen DATE START 10/8/10 EAST ' RIG Percussion Hammer DATE FINISH 10/9/10 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 150.00' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 110' DATE MEAS. 10/9/10 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core from previous page 45Continued = -46 7- 47 -48 - =49 0 0• o c e a ° ` o' o o . c 0 0 • ° ` o. a o. C• o' .o . c 0 0 • o 0 0 • 0 o o o . c = _ T. - - - - -50° _ -510' 7.- 52 — -53 —o -54 -55 _ -56 - -57 -58 —59 = °. ° ` o a °. o o c ° 0 . ° • c o. a o. C o' o .o . c o o • • c 0 a • o. c o o o . c 00• ° C 0 a • o• C ° 0 o . C o o • o c 0. 0 • °. o 0 o . c • ° a 0 ' C o. a ° o' o .o . c 0 0 • o 50.0 - 60.0 SAND AND GRAVEL. Brown and multi -colored, loose, some to little silt, tr. cobbles, tr. clay. Subangular to subrounded. Damp. Most cobbles and gravel coated with sand and silt. _ - - - - — - _ - _ - - - -_ - - 60 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ilii Silt i! / Siltstone 35-50% And 0 0 w U w O CC u_ LL J w z CD O J w 0 w CC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. TW -2 PAGE 5 OF 10 DEPTH 60 FT TO 75 FT NORTH ' DRILLER Layne Christensen DATE START 10/8/10 EAST ' RIG Percussion Hammer DATE FINISH 10/9/10 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 150.00' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 110' DATE MEAS. 10/9/10 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page - 60 —61— -62 63 _ 64 = -65 _ _ -66 = -67 68 - 69 _ o o . o a o o' 0 .o . 0 '0 ° ` 0. a 0. C• o' .o . c 0 0 • o 0 0 • 0. o' o o . c 0 0 ' ° C 0 0. . 0. a 0 o . c 0 0 • 0 c 0. a • 0 o 0 o . C 0 0 ' '0 • C o. a • ° .o . c 0 0 ° 60.0 - 70.0 SAND AND GRAVEL. Red -brown and dark brown, loose, little silt, tr. cobbles, tr. clay. Subangular to subrounded. Damp. Silt and sand coating on gravel and cobbles. - -- T. _ - - _ = - _ - — = - - - -70° _ — 71 - _ 72 — = =73 -74 = ° • • 0 • `• o. a 0' 0' o o . C 0 a 0 • c o. a 0' C .0 . c 0 .0 ' 0 C 0 0. • 0 C 0 0 o . c 0 •0 • 70.0 - 80.0 SAND AND GRAVEL. Red -brown, loose, little silt, tr. clay, tr. cobbles. Angular to subrounded. Damp. Silty coating on cobbles and gravel. - — - _ — = = - = 75 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ,,., ilii Silt r/ / Siltstone 35-50% And 0 0 LLI w U w CD CC u_ w J w z CD O J w 0 0 w cC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. TW -2 PAGE 6 OF 10 DEPTH 75 FT TO 90 FT NORTH ' DRILLER Layne Christensen DATE START 10/8/10 EAST ' RIG Percussion Hammer DATE FINISH 10/9/10 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 150.00' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 110' DATE MEAS. 10/9/10 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page 75' = -76 —77 78 —o =79 = 0 0 o C e a5 ° ` 0' o o . c 0 0 o C o. a . 0. C o' .o . C 0 0 • C 0 0 • 0 o o .o . c = _ T. - – - = -80° _ —81— —82 — -83 —o -84 = — -85 _ - -86 - = -87 - -88 —89 = ° ' ° ` 0. a °. 0 o o . C 0 ' o ' ° • c o. a 0. C o' .o . c o 'o ' • C 0 a . o. c o o .0 . c 0° 0 C o a o• C ° 0 0 . C o • o o C 0. 0 0. o 0 0 . C 0 •o 0 ' C o. a ° o' o .0 . C 0 0 ' o • 80.0 - 90.0 SAND AND GRAVEL. Red -brown, loose, v.f.g. to c.g., little silt, tr. cobbles, tr. clay. Angular to subrounded. Damp. Silt coating on gravel and cobbles. = = - — - — - _ _ — - - -_ _ = 90 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ilii Silt r/ / Siltstone 35-50% And 0 to 0 ui w U w CD CC u_ LL J w z CD O J w 0 w cC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. TW -2 PAGE 7 OF 10 DEPTH 90 FT TO 105 FT NORTH ' DRILLER Layne Christensen DATE START 10/8/10 EAST ' RIG Percussion Hammer DATE FINISH 10/9/10 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 150.00' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 110' DATE MEAS. 10/9/10 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page 90 -91° -92 93 —o 94 = _ 95 _ -96 _ -97 98 99 _ 0 ° • o 0 °. . o .o . c 00 0 ` o. a 0. c• o' .0 . c 0 0 • c 0 0 • 0 o' o 0 . c 0 ° 0 0 C 0. 0. c a 0 o. c 0 0 ' ° c 0. a • 0 o 0 o . c 0 0 • '0 c o. a • ° .0 . c 0 • 0 ° 90.0 - 100.0 SAND AND GRAVEL. Brown, loose, f.g. to c.g., little silt, tr. clay, tr. cobbles. Subangular to subrounded. Moist above 97 ft. b.g.s., wet below. Sandy silt coating on cobbles and gravel. - - -- T. - - = - _ — = - 100° _ -101 _ -102 — = =103 -104 = ° • • 0 • `• o. 0 °, 0 o 0 . c 0 a 0 • c o. a 0. c .0 . c 0 0 ' 0 c 0 a . 0• C o o .0 . c 0 ° 100.0 - 110.0 SAND AND GRAVEL. Brown, loose, little silt, tr. cobbles, tr. clay. Wet to moist above 107 ft. b.g.s., damp to dry below. Silty sandy coating on gravel and cobbles. (Note: No flow.) - - _ - = - - = 105 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void , ,- ,- ilii Silt i! / Siltstone 35-50% And 0 to 0 w U w CD CC u_ w J w z CD O J w 0 w CC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. TW -2 PAGE 8 OF 10 DEPTH 105 FT TO 120 FT NORTH ' DRILLER Layne Christensen DATE START 10/8/10 EAST ' RIG Percussion Hammer DATE FINISH 10/9/10 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 150.00' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 110' DATE MEAS. 10/9/10 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page 105 -106 —107 -108 = =109 = – 0 0 0 a5 ° ` o' 0 .o . c 0 0 • *0 , c 0. a 0. C o' .0 . c 0 0 • o C 0 a • 0 o o .a . c 0 _ T. = - - = – M 7-- 1100 _ -111°. -112 — = -113 —o -114 -115 - -116 - = -117 =118 = -119 ° °. ° ` o a •0 o 0 . c 0 ' a ' . °. 0. a 0. C .0 .c o o • C 0 a • 0 c o o 0 . C ° ° • 0 C 0 a 0. C ° •° 0 . C o o o C 0 . 0 0.C o 0 0 . c 0 0 o ' C o. a ° o' o .0 . C 0 0 • ° • 110.0 - 120.0 SAND AND GRAVEL. Brown, loose, tr. cobbles, unknown silt and clay content. Angular to subrounded. Wet. (Note: Flowing Groundwater.) _ - - - — - — _ _ - - -_ = _ 120 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void , ,- ,' ilii Silt r/ / Siltstone 35-50% And 0 0 w U w O CC u_ LL J w z CD O J w 0 w CC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. TW -2 PAGE 9 OF 10 DEPTH 120 FT TO 135 FT NORTH ' DRILLER Layne Christensen DATE START 10/8/10 EAST ' RIG Percussion Hammer DATE FINISH 10/9/10 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 150.00' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 110' DATE MEAS. 10/9/10 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page _ -1210 —122 -123 —o -124 = -125 - -126 _ —127 -128 -129 = _ °120 ° 0 a o o— .o . 0 '0 *0 , c o. a . 0. (• o' .o . c 0 0 • c 0 0 • 0 o' o 0 . c ° ° o a • 0. c ° ° 0 . c 0 0 ' ° C 0. a • 0 o 0 o . c 0 0 • 'o c o. a • ° o o .0 . c ° ° ° 120.0 - 130.0 GRAVEL AND SAND. Brown, loose, little silt, tr. clay, tr. cobbles. Angular to subrounded. Moist to wet above 125 ft. b.g.s., wet below. - - T. - — - = - _ - - - = - -130° _ -131 _ -132 — = =133 —0 -134 = ° • • 0 • `• 0. 0 o 0 . o 0 . c 0 ° 0 • c o. a 0. c .0 . c 0 0 ' c 0 a • 0• c o o .0 . c 0 • ° 130.0 - 140.0 SAND AND GRAVEL. Brown and multi -colored, loose, f.g. to c.g., little silt, tr. cobbles, tr. clay, Angular to subrounded. Damp grading to wet with depth. - - _ = - - - = 135 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ,,., ilii Silt i! / Siltstone 35-50% And 0 a LLI w U w CD CC u_ a J w z CD O J w 0 w CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. TW -2 PAGE 10 OF 10 DEPTH 135 FT TO 150.0 FT NORTH ' DRILLER Layne Christensen DATE START 10/8/10 EAST ' RIG Percussion Hammer DATE FINISH 10/9/10 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 150.00' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 110' DATE MEAS. 10/9/10 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page 135 = _ -136 -137 -138 - =139 = — 0 0 o c 0 a ° ` 0' 0 .o . c 00 • °. ` 0. a 0 c• o' .o . c 0 0 • o 0 a • 0 o o .0 . c = _ _ = - = = - -140° _ -141 -142 — = =143 —o _7- 144 -145 - -146 - -147 -148 = -149 -150 °. ° ` o a 0 0 0 0 c 0 '0 0. c 0. a . 0. C• .0 . c o o • C 0 a • 0 c o o 0 . c ° • ° • 0 C 0 ° • 0. ° •° 0 . c o o 0 c 0 . 0 •0. C o 0 0 . c 0 0 o ' C o. a ° ' o .0 . c 0 •0 • ° 140.0 - 150.0 GRAVEL AND SAND. Brown and multi -colored, loose, v.f.g. to c.g., little silt, little cobbles, tr. clay. Angular to subrounded. Wet. TD = 150 ft. b.g.s. Set well with 4" PVC and 55 ft. screen at 150 ft. b.g.s. _ - = = — - — _ - _ - - -_ -- SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace Illlll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void , ,- ,- ilii Silt i! / Siltstone 35-50% And EL C? W Lu U W 0 CC u_ u_ W z (7 O J W 0 co 0 W CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -1 PAGE 2 OF 8 DEPTH 15 FT TO 30 FT NORTH ' DRILLER Layne Christensen DATE START 8/4/09 EAST ' RIG Percussion Hammer DATE FINISH 8/4/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 116.90' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 96' DATE MEAS. 8/4/09 DEPTH SAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core from previous page — 1 5Continued - _ -17 18 _ _ -19 _ /////, ////// /////, /////, /////, /////, /////, /////, /////, ////// /////, /////, /////, /////, /////, /////, /////, /////, /////,- /////, ////, /////, - - _ _ _ - _ - — -21 L-22 23 L-24 -25 PH 0.0 j20.0 / 30.5 CLAY. Red brown, soft, some silt, tr. v.f.g. sand. Wet. - - 26 27 28 29 10.5 / / / - - 30 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES jLITHOLOGY PROPORTIONS APPROVED BY: DATE: BR Brass Rings CT Cuttings None -Light °t C Gravel o A Fill 0-10% Trace IIIIII CS Continuous Sampler / Moderate Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core �����Heavy •_�_ Cla y Cla stone y 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash .//% Void //// Silt � / Siltstone 35-50% And 0 0 w r� w U w O CC u_ J w z CD O J w 0 0 w CC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -1 PAGE 3 OF 8 DEPTH 30 FT TO 45 FT NORTH ' DRILLER Layne Christensen DATE START 8/4/09 EAST ' RIG Percussion Hammer DATE FINISH 8/4/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 116.90' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 96' DATE MEAS. 8/4/09 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page - 30 -31 = 7-32 PH 0.0 ° �° .47• •D a•j••Q•• )o: D 0.c°:. s 30.5 - 35.0 SAND, GRAVEL, COBBLES. Red grading to more brown with depth, loose, tr. silt, tr. clay, heavy FeO stain, f.g. to c.g. sand, angular to sub -rounded cobbles. Damp. Granite cobbles present. Cobbles and gravel coated with FeO-rich silt and clay. - _ — 33 34 4.5 )o .p .o. •D a o, c _ _ = 7-35 -36 = = -38 PH 0.0 op ,00.00 D D ooD<oDcoppC oc=37 p3C D D ,00 `00 ao ao 35.0 - 41.5 GRAVEL. Multi -colored and brown, loose, some grading to and sand, f.g. to c.g., some cobbles, sub -rounded to rounded. Dry. - - - _ = 39 _3'0%.<3,,* -40 = = -41 6.5 o3O�C ,00,,00 f30%303 o C o(3O�° C ,00000 o°O(3,C D o�O�D p9D0°3CD 0,00 ,(20,', = - = = = _ _ 42 - -43 _ PH 0.0 °?'', .0 D 6' �o. D( O.Q. U.' D ° 41.5 - 46.0 COBBLES AND GRAVEL. Multi -colored, brown and gray, loose, sub -rounded to rounded, little to some sand, tr. intermittent basalt cobles and boulders, tr. silt, tr. clay. Dry. _ _ - -44 = 4.5 ?o .D ) o'. — 4 5 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY: DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ,- iii ilii Silt / / Siltstone 35-50% And 0 CO 0 w U w O CC u_ w J w z CD O J w 0 w CC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -1 PAGE 4 OF 8 DEPTH 45 FT TO 60 FT NORTH ' DRILLER Layne Christensen DATE START 8/4/09 EAST ' RIG Percussion Hammer DATE FINISH 8/4/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 116.90' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 96' DATE MEAS. 8/4/09 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page 45 - o. .c>..• b: • Cl. . _ 46 -47 - = 48 PH 0.0 ° ° • ° • `• o. a 0 o ` a • 0 . C o 0 0 c 46.0 - 50.0 SAND AND GRAVEL. Multi -colored grading to red due to FeO coating, loose, little grading to some cobbles with depth. = - - = -49 — 4.0 0 . a 0. C 0 0 .0 . c 0 0 ' 0 C 0 a - = — 750° _ -51 -52 — =53 —0 -54 55 PH 0.0 ° 0 ` o a °. °. o 0 C 0 ' 0 ' 0 `• 0. a 0' C o' .0 . C 0 •0 ' C 0 a . 0. C 0 o 0 . C 0 ° • 50.0 - 60.0 SAND AND GRAVEL. Red, becomming less red and more multi -colored with depth, loose, some to little well-rounded cobbles, tr. silt, tr. sand coating on gravel and cobbles. Damp. - - - - = = — - = -56 - -57 — -58 = —59 = 10.0 0 `• 0 0 • 0 C ° 0 0 . C 0 .o 0 C 0. 0 • 0. C o 0 0 . C • 0 a 0 ' C o. 0 ° ' o .0 . C 0 '0 ' o • - - - _ — - - - -_ - _ 60 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ,,.,- ilii Silt r / Siltstone 35-50% And 0 0 w U w O CC u_ w J w z CD O J w 0 CIO 0 w CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -1 PAGE 5 OF 8 DEPTH 60 FT TO 75 FT NORTH ' DRILLER Layne Christensen DATE START 8/4/09 EAST ' RIG Percussion Hammer DATE FINISH 8/4/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 116.90' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 96' DATE MEAS. 8/4/09 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page - 60° -61 -62 63 _ 64 -65 _ PH 0.0 o o a o 0 o .0 0 '0 ° ` 0. a . 0. C• o' .o . c 0 0 • o 0 ° • °. o' o o . c 0 0 a C 0 . 0 60.0 - 71.0 GRAVEL AND SAND. Red -brown, loose, f.g. to c.g., tr. cobbles, tr. silt and tr. clay coating gravel and cobbles, well rounded. Damp. Red coloration decreasing with depth to more brown & multi -colored, then back to reddish brown. _ - T. _ - - _ - = - = = -66 _ -67 — 68 - 69 _ _ —70 _• 11.0 0 c ° 0 o . c o a . ° c 0 . 0. 0 0 0 o . c 0 0 ' 'o • c o. a • • ° o' o .o . c ° ° . o c 0. a 0 •_ 0• o _ - — = - _ -71o'Y?'U _ 72 -73 PH 0.0 ?o' •D 6.0.:Q.: 6.0...Q.• 71.0 - 75.0 GRAVEL AND COBBLES. Multi -colored, loose, sub -angular to sub -rounded, some f.g. to c.g. sand, tr. silt, tr. clay, tr. intermittent boulders (?). Dry. – – —74 4.0 °3° 6.0Q ° ° _ - 75 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY: DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ,,., ilii Silt r/ / Siltstone 35-50% And 0 0 w w U w O CC u_ w J w z O O J w 0 w CC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -1 PAGE 6 OF 8 DEPTH 75 FT TO 90 FT NORTH ' DRILLER Layne Christensen DATE START 8/4/09 EAST ' RIG Percussion Hammer DATE FINISH 8/4/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 116.90' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 96' DATE MEAS. 8/4/09 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page = 75 = - 76 _ PH 0.0 75.0 - 78.0 SAND. Red, loose, f.g. to c.g., some cobbles sub -rounded to rounded, little gravel, tr. silt. Damp. _ = _ = 7-77 3.0 = _ 78 _ 79 = 80 781 —82 83 - - 84 = - -85 __ PH 0.0 0�• .• °'�o. ' )o' •D 0.0' Q.' 6. 0.. ° n 6. °.'. o 5 O.Q.' 0. c )o •D Q.Q. )o.' D o�.' O. 'C )o D 6.°� 78.0 - 93.0 GRAVEL AND COBBLES. Red, loose, sub -rounded to rounded, some f.g. to c.g. sand, tr. silt, tr. clay coating on cobbles and gravel. Damp. - _ _ _ = - _ - - _ -86 -87 - 88 —89 15.0 °�� •. o . D 6. o, c 0� Q Q.Q. Q.. o, c 6. - _ 90 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core 4� t Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ,,.,- ilii Silt / / Siltstone 35-50% And 0 0 w U w O CC u_ J w z O O J w 0 w CC CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -1 PAGE 7 OF 8 DEPTH 90 FT TO 105 FT NORTH ' DRILLER Layne Christensen DATE START 8/4/09 EAST ' RIG Percussion Hammer DATE FINISH 8/4/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 116.90' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 96' DATE MEAS. 8/4/09 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core Continued from previous page 90 -91 - -92 o. ••c 6.0...0.. 0. o. s )o' • D 69:0•• ?' D T. - 93° _ 94 PH 0.0 ° ° o. 0 • 0 93.0 - 95.0 GRAVEL AND SAND. Multi -colored, loose, f.g. to c.g., sub -angular to sub -rounded, little cobbles, tr. silt, tr. clay. Dry. - - _ 2.0 ° • ° . .o . c 0 0 ° _ _ -95° PH 0.0 ° • 0 • ` 95.0 - 96.0 GRAVEL AND SAND. Red -brown, loose, f.g. to c.g., little cobbles, sub -rounded to rounded, tr. silt, tr. clay coating on gravel - 1.0 0 . 0 ° •. and cobbles. Damp to moist. _ -96 _ 98 -99 _ -100 -101 _ -102 - _ = =103 — -104 -0 _ 0 i 0 • . ° • 0. 0 °. •7-97 0 • o .° . C 0 •0 • 0. 0. 0 0' C 0 0 .0 .c 0 •0 0 0 0 5 0• o' o o . c ° ° •— 0 0 ° C 9 •° • o . c 0 .0 0 ' c 0 . 0 0' c 0 0 .0 . c 0 •0 • •c 0 0 ° C 96.0 - 116.9 GRAVEL AND SAND. Multi -colored, loose, angular to rounded, little to tr. cobbles increasing to little to some with depth (below 105.0' b.g.s.), tr. silt, tr. clay. Wet. Very wet above 105.0' b.g.s, moist to wet from 105.0' to 109.0', moist from 109.0' to 112.0', wet below 112.0'. TD at 116.9' b.g.s. Set 20.0' schedule 80, 2" pvc screen at TD. - - - — - = _ - - = - — - - _ 105 Continued Next Page SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace llllll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay A Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ilii Silt r/ / Siltstone 35-50% And 0 to 0 w rn it w U w O CC u_ LL J w z O O J w 0 w CLIENT Lafarge - Cerise Property PROJECT LOCATION Carbondale, CO PROJECT NO. LF -0586 BOREHOLE LOG BH NO. PZ -1 PAGE 8 OF 8 DEPTH 105 FT TO 116.9 FT NORTH ' DRILLER Layne Christensen DATE START 8/4/09 EAST ' RIG Percussion Hammer DATE FINISH 8/4/09 GRD ELEV. ' BITS 5" X 9" FLUIDS NA TOTAL DEPTH 116.90' TOC ELEV. ' LOGGED BY MAJ WATER DEPTH 96' DATE MEAS. 8/4/09 DEPTH sAMP SAMPLE RECOVERY SYMBOLS SURFACE CONDITION: Grass SOIL VAPOR (FT.) DESC TYPE/SIZE RCD/ADV FRAC LITH SOIL/ROCK DESCRIPTION BG HS Core from previous page 105Continued = -106 PH 0.0 0 0 o c 0 Q 0 ` 0 0 0 c = _ - -107 -108 _ =109 = — -110 _ = -111 - -112 - — E-113 =-114 _ -115 - -116 - – 20.9 0 0 • 0. ` 0. a . 0. ( o' .o . c 0 0 • o 0 Q 0 c o o 0 c 0 0 o c 0 Q 0.C ° 0 o . c o o o c 0 . Q 0,C o 0 .0 . c 0 0 • o c 0. 0. o ` o' o .o . c o 0 . •o c 0. Q 0 e 0 0 .o .c o 0 o c 0. Q - = - _ - — = — - _ _ - = — = = - - - SYMBOLS SAMPLE TYPES FRACTURES LITHOLOGY PROPORTIONS APPROVED BY- DATE: BR Brass Rings CT Cuttings None -Light Gravel , Fill 0-10% Trace Illlll CS Continuous Sampler/ Moderate • Sand ® Sandstone 10-20% Little I EnviroGroup Limited DC Diamond Core Heavy / / Clay r/ Claystone 20-35% Some III Centennial, Colorado SS Split Spoon WS Wash Void ilii Silt r/ / Siltstone 35-50% And FOR OFFICIAL USE ONLY: DISCLOSURE OF SITE LOCATIONS IS PROHIBITED (43 CFR 7.18) REPORT ON THE CLASS I CULTURAL AND PALEONTOLOGICAL RESOURCES INVENTORY FOR A LIMITED IMPACT REVIEW FOR THE CERISE MINE ON PRIVATE LAND IN GARFIELD COUNTY, COLORADO FOR TETRA TECH, INC. GRI Project No. 2010-35 15 June 2010 Prepared by Carl E. Conner, Principal Investigator Grand River Institute P.O. Box 3543 Grand Junction, Colorado 81502 BLM Antiquities Permit No. C-52775 Submitted to Board of County Commissioners Garfield County, Colorado Abstract At the request of Tetra Tech, Inc., Grand River Institute (GRI) conducted a Class I cultural and paleontological resource inventory for the Cerise Mine. The project involves a total of approximately 700 acres and is located on private land in Garfield County, Colorado. This work was performed under BLM Permit Nos. C-52775 (cultural) and C-60700 (paleontological). The Class I inventory was undertaken to ensure the project's compliance with state and federal legislation governing the identification and protection of cultural resources on privately owned lands that will be affected by a government action. The purpose of the cultural resources investigation was to identify previously recorded resources within or near the proposed block area that may be adversely affected by the proposed action and to evaluate the potential of additional such resources in the project area. The Class I files search and report preparation were performed on the 11' and 14th of June 2010. As a result of the files search, it was determined that no cultural or paleontological resources have been previously recorded within the Cerise Mine location. The proposed project is the construction of a mine facility (gravel pit operation). The known recorded cultural sites in the nearby vicinity that have been evaluated as eligible for listing on the National Register of Historic Places all pertain to historic railway systems and these located nearly a mile south of the project area. One prehistoric open lithic scatter and two ditch segments have been recorded over a half mile away from the project boundary and two of these have been evaluated as needs data while the remaining site is not eligible for listing on the Register. No paleontological resources have been recorded within a mile of the study area; however, Pleistocene gravel deposits have been know to produce remnant large mammal bone and tusks of mammoths and mastodons. Additionally, a review of the project area revealed that a working ranch is located within the northern most perimeter of the mine area. Since the eligible sites in the general vicinity are nearly a mile away and related to railway activities and no sites have been previously recorded within the study block, a determination of "no effect" for the project is recommended pursuant to Section 106 of the National Historic Preservation Act (36 CFR 800). Accordingly, no further work recommended. ii TABLE OF CONTENTS Introduction 1 Location of the Project Area 1 Environment 1 Paleoclimate 3 Files Search Results 3 Archaeological Assessment of Cultural Resources in the Region 5 Report Results 7 Summary and Recommendations 9 References 10 LIST OF FIGURES AND TABLES Figure 1. Project location map 2 Table 1. List of previously conducted cultural resource inventories. 4 Table 2. List of previously recorded cultural resources within a mile of the study area 5 Table 3. List of homestead patentees within the project area 7 iii Introduction At the request of Tetra Tech, Inc., Grand River Institute (GRI) conducted a Class I cultural and paleontological resource inventory for the Cerise Mine. The project involves a total of approximately 700 acres and is located on private land in Garfield County, Colorado. This work was performed under BLM Permit Nos. C-52775 (cultural) and C-60700 (paleontological). The Class I files search and report preparation were performed on the 1 1th and 14th of June 2010. The Class I inventory was undertaken to ensure the project's compliance with state and federal legislation governing the identification and protection of cultural and paleontological resources on privately owned lands that will be affected by a government action. It was done to meet requirements of the National Historic Preservation Act (as amended in 1992), the National Environmental Policy Act of 1969 (42 U.S.C. 4321), the Federal Land Policy and Management Act of 1976 (43 U.S.C. 1701), and the Archaeological Resources Protection Act of 1979 (16 U.S.C. 470aa et seq., as amended), and Article 80.1, Colorado Revised Statutes. These laws are concerned with the identification, evaluation, and protection of fragile, non-renewable evidence of human activity, occupation, and endeavor reflected in districts, sites, structures, artifacts, objects, ruins, works of art, architecture, and natural features that were of importance in human events. Such resources tend to be localized and highly sensitive to disturbance. All work was performed according to guidelines set forth by the Office of Archaeology and Historic Preservation (OAHP) of the Colorado Historical Society. Location of the Project Area The study area is located about 1.5 miles northeast of the town of Carbondale in Garfield County, Colorado. The block area occurs in T. 7 S., R.88 W., Sections 25 and 26; 6th P.M. (Figure 1). Environment The proposed project is located in the extreme southeast portion of the White River Uplift, a domal upwarp still largely covered by a layer of Paleozoic sediments. The uplift covers an area measuring roughly 50 miles east -west by 40 miles. The Flattops in the northeast area of the uplift are crowned by volcanic rocks of late Cenozoic age. The area was fairly stable through the Paleozoic and Mesozoic times with evidence of slight movement in the Paleocene and major uplift in the early middle Eocene. Nearest the project area, the uplift is bounded by a southeastward projecting tongue of Sand Wash Basin and by Carbondale Basin and the Elk Mountains to the south. Large normal faults are common along the south flank of the uplift near Glenwood Springs (Young and Young 1977:59-60). Sediments in the project area consist of gravels and alluviums of the Pre -Bull Lake, Bull Lake and Pinedale Age. 1 7 I • ~-74go,, . j w •-1'V'' � + ' t.I -t ..}r +4 • 1— Carbondale Quadrangle Map, 1961 PI 1987 Garfield County, Colorado ArcivIap GIS DRO from USGS 7.5 minute series (topographic) Scale: 1:24,000 Contour Interval: 40 feet T, 7S., , R. 88W,, 6th PM rF"ti". � ', a� 4 { Y �a � a a ria_. ,� StAAA i l u4 FF t.Lit • J 7irbondpe Ile/ on gip Yomete ~I . Js .ky -f 'r.. -as-' il��tisr_t•y `.�� l,.�r ... - '-- 1 1-1i11 5 jl f j ffi• a 4 _ "�..r I — er. rr, • 6 Figure 1. Project Location Map for the Report on the Class I Cultural and Paleontological Resources Inventory for a Limited Impact Review for the Cerise Mine on Private Land in Garfield County, Colorado for Tetra Tech, Inc. The study area is indicated. [GRI Project No. 2010-35, 6/15/2010] 2 Elevations in the project area average 6300 feet and fall within the Upper Sonoran zone. Vegetation within the proposed project area consists primarily of open sage flats, scattered juniper and grasses however; much of that has been replaced by agricultural fields. There is little climate variation within the study area. These relatively low elevations are host to a cool semiarid climate where temperatures can drop to -10°F during the winters and summer temperatures may reach 95°F (average annual temperatures of 49° - 53°F); there is a maximum of 120 frost free days and the annual precipitation is about 14 inches. The surrounding higher elevations are characterized as cooler and moister. Annually, the high mountain temperatures could average 5 degrees cooler and the precipitation as much as 14 inches greater that the surrounding low elevations (USDA SCS 1978:244). Paleoclimate Relatively small changes in past climatic conditions altered the exploitative potential of an area and put stress upon aboriginal cultures by requiring adjustments in their subsistence patterns. Therefore, reconstruction of paleoenvironmental conditions is essential to the understanding of population movement and cultural change in prehistoric times (Euler et al. 1979). To interpret whatever changes are seen in the archaeological record, an account of fluctuations in past climatic conditions must be available or inferences must be made from studies done in surrounding area. Generally, only gross climatic trends have been established for western North America prior to 2000 BP (Antevs 1955; Berry and Berry 1986; Madsen 1982; Mehringer 1967; Peterson 1981; Wendlund and Bryson 1974). Scientific data derived from investigations of prehistoric cultures and geoclimatic and bioclimatic conditions on the southern Colorado Plateau over the past two millennia have achieved a much greater degree of resolution (Dean et al. 1985). Files Search Results Cultural resource investigations in the region have yielded surface diagnostic artifacts and excavated cultural materials consistent with the regional cultural history. Evidence provided by chronometric diagnostic artifacts and radiocarbon analyses indicate regional occupation during the Paleoindian, Archaic, Formative, and Protohistoric Eras. Historic records indicate occupation or use of the region by EuroAmerican trappers, settlers, miners, and ranchers as well. Overviews of the prehistory and history of the region are provided in the Colorado Council of Professional Archaeologists' publications entitled "Colorado Prehistory: A Context for the Northern Colorado River Basin" (Reed and Metcalf 1999), and "Colorado History: A Context for Historical Archaeology" (Church et al. 2007). Files searches for known cultural resources and previously conducted studies within or near the project area were made through the Colorado Historical Society's Office of 3 Archaeology and Historic Preservation. This review indicated that five cultural resource inventories have been conducted within a mile of the study area (Table 1). No cultural or paleontological resources have been recorded within the present project boundary. Additionally seven cultural resources have been recorded within a mile of the study area and these are listed below on Table 2. Table 1. List of previously conducted cultural resource inventories. Project No. Title/Author/Date/Contractor EA.LM.C4 Title: Basalt Crystal Transmission Line Project Author: Reed Alan D and Paul R Nickens Date: 01/01/1981 Contractor: Nickens and Associates for the Bureau of Land Management Glenwood Springs Resource Area MC.LM.R412 Title: An Archaeological Inventory of the Proposed Basalt Crystal Transmission Line Project, West -central Colorado Author: Reed, Alan D. and Paul R. Nickens Date: 01/01/1981 Contractor: Nickens and Associates for the Bureau of Land Management Glenwood Springs Resource Area GF.CM.NR1 Title: A Cultural Resource Inventory of the John G. Powers Gravel Pit, Garfield County, Colorado Author: Baker, Steven G. Date: 04/23/1993 Contractor: Centuries Research for John G. Powers and Roaring Fork Sand and Gravel MC.CH.R94 Title: A Class III Cultural Resources Survey of the Roaring Fork Railroad Authority Environmental Impact Statement, Glenwood Springs to Brush Creek Transportation Corridor, Eagle, Garfield, and Pitkin Counties, Colorado Author: Chambellan, Collette C. and Steven F. Mehls Date: 03/24/2000 Contractor: Western Cultural Resource Management, Inc. on Behalf of Parsons Engineering for the Colorado Department of Transportation, Archaeological Unit GF.FS.R57 Title: A Class III Cultural Resource Inventory of One Parcel Proposed for Disposal: Sopris Horse Pasture Garfield County, Colorado (CRR#2008021500058) Author: Fuller, Thomas L. Date: 07/01/2008 Contractor: White River National Forest 4 Table 2. List of previously recorded cultural resources within a mile of the study area. Site ID Site Type Assessment 5GF.18 Prehistoric Open Lithic Needs Data - Field (1975) 5GF.1661 Denver and Rio Grande Western Railroad Aspen Branch Eligible - Officially (1988) 5GF.1663 Colorado Midland Railroad Grade Eligible - Field (1993) 5GF.3014 Historic Railroad Siding and Trash Dump Eligible - Field (2002) 5GF.3015 Historic Railroad Siding Eligible - Field (2002) 5GF.3835.1 Historic Park Ditch Segment Not Eligible - Officially (2006) 5GF.4226.1 Historic Union Ditch Segment Needs Data - Officially (2008) Archaeological Assessment of Cultural Resources in the Region Previous archaeological studies in the general vicinity have suggested regional occupation for as long as 8000 years, although recently an inventory of block units west of this study area within the Doghead GAP (Conner et al. 2006) provided direct evidence of the presence of Foothill -Mountain Paleoindian occupation at 5GF 1323, which pushes the regional prehistoric occupation dates back to about 10,000 yr BP. Historic records also indicate a permanent Euro -American presence in the region began as early as the late 1880's. Notably, many of the newly and previously recorded resources in the general area indicate it was intensively occupied during the Protohistoric Era. Unfortunately for many of the sites where wickiups were present, post -cutting and wood collection by the Historic Euro - American settlers and ranchers over the past 125 years has nearly wiped out evidence of their presence. Also, surface collection of diagnostic artifacts has impacted the sites and affected the assignment of cultural/temporal associations. Although the region was probably not continuously occupied prehistorically, it seems to have offered an attractive environment for gathering, floral processing, hunting, as well as lithic procurement and processing. Site density in these higher elevations is relatively low, probably due to two factors: access to permanent water, and strategic topographical positioning. Campsites are often located near the springs or stream convergences for reasons of acquiring water and for the procurement/processing of floral and faunal resources. The apparent differences in the characteristics of the upland and lowland sites may be due to factors other than cultural selection. The lowland sites are subjected to more artifact collecting than the uplands, and the areas along the Roaring Fork River have been 5 subject to few cultural resource surveys. The upland area exhibits a very thick vegetation cover that may be limiting discovery of features and additional artifacts. Lowland sites exhibit greater variability in site types. While the uplands are limited to isolated finds, open camps, and lithic scatters; the lowlands contain these site types and open architectural sites, sheltered sites, and a single tool stone procurement area. The lowland sites contain higher frequencies of cultural features or evidence of features. These features include fire -cracked rock scatters, charcoal stains, hearths, stone structures, and wickiups. All of the prehistoric sites contain low numbers of artifacts, including very limited numbers of debitage, bifacial tools and expedient tools. This suggests conservation, curation, and reuse of flaked stone tools in an area where tool material sources are limited. Lowland sites tend to be situated in the pinyon juniper vegetation community in greater frequencies than is suggested by the relative proportion of the pinyon juniper to other vegetation communities. The sites in the uplands are distributed proportionally to the size of the vegetation communities, with the mountain shrub and sagebrush communities exhibiting the highest site density. Too little is known of the age of the sites to make any definitive statements. The distribution of site ages based on projectile points and ceramics is generally the same as portrayed in Reed and Metcalf (1999), but the lack of absolute dating precludes any conclusions in this area. Lithic scatters exhibit a smaller site size than open camps in both the lowland and upland settings. Isolated finds are distributed across a wider range of slopes than lithic scatters or open camps. The differences in the type and distribution of historic sites are: Sites in the uplands are limited to sheep and cattle raising activities and are primarily post -1889. Sites in the uplands are distributed proportionally to the size of the vegetation communities, with the mountain shrub and sagebrush communities exhibiting the highest site density. Sites in the lowlands display a greater diversity in types and are found mainly in the pinyon juniper and sagebrush zones. The historic sites in the lowlands are concentrated near transportation corridors and near permanent water sources, particularly the habitation sites. Sites indicative of particular economic activities are spread across the landscape. During 1980, the BLM 's Glenwood Springs Resource Area was subject to an archaeological survey that randomly sampled three percent of its managed lands. A total of 17,400 acres was surveyed for cultural resources. As a result, 58 prehistoric sites and 2 historic sites were recorded, an average of about 2 sites per section (.0034/acre). Three types of prehistoric sites were distinguished by the study; limited activity areas, short-term camps, and large habitation sites. These were classified on the basis of site size and the diversity of artifacts/activities represented. Notably, the sites were unevenly distributed and varied by vegetation community. The highest site density, about 5.0 sites/section (.0078/acre), occurred in pinyon/juniper and sagebrush communities. Concurrently, the 6 greatest number of sites located during the survey tended to occur in or near the pinyon/ juniper community. Other environmental factors found to be important during the statistical analysis of the settlement patterns included 1) vertical distance between the site and the primary water source is a greater controlling factor that the horizontal distance, 2) sites tend to be near or on points of vantage, 3) sites tend to be located in forested areas, preferably with a southern exposure and, 4) sites tend to occur on flat ground (less than 40% grade) in areas of relatively low surface relief (Burgess et al. 1980:108-120, 138-139). In general, the region exhibits a relatively low site density and sites tend to cluster near permanent water sources. Report Results As a result of the files search, it was determined that no cultural or paleontological resources have been previously recorded within the Cerise Mine location. The proposed project is the construction of a mine facility (gravel pit operation). The known recorded cultural sites in the nearby vicinity that have been evaluated as eligible for listing on the National Register of Historic Places all pertain to historic railway systems and these located nearly a mile south of the project area. One prehistoric open lithic scatter and two ditch segments have been recorded over a half mile away from the project boundary and two of these have been evaluated as needs data while the remaining site is not eligible for listing on the Register. No paleontological resources have been recorded within a mile of the study area; however, Pleistocene gravel deposits have been know to produce remnant large mammal bone and tusks of mammoths and mastodons. Additionally, a review of the project area revealed that a working ranch is located within the northern most perimeter of the study area and the majority of the surface of the entire project area has been previously disturbed by agricultural activities. A search of the Bureau of Land Management Government Land Office records indicate that the working ranch is located on lands that may have been homesteaded by any of the following individuals. It was difficult to be more accurate as the records are shown in aliquot parts and survey maps for such were not available. Table 3. List of homestead patentees within the project area. Patentee: Secs: Quarters: Issue Date: Document Nr.: Accession/Serial Nr.: Sarah Jane Grubb 25; 25 SE, NW; S half of NW 10/12/1900 1619 COCOAA 010033 7 Michael D. Ryan 25; SW, NW; 4/30/1896 1400 COCOAA 010070 26; SE; 26; S half of NE; 26; SE, NE James Oscar 25; SW, NW; 5/31/1899 1526 COCOAA 010072 Shoemaker 26; SE, NE John C. Smith 25; SW; 2/18/1892 630 COCOAA 010033 25 S half of SW Site Significance The National Historic Preservation Act of 1966 (NHPA) directs the BLM to ensure that BLM-initiated or authorized actions do not inadvertently disturb or destroy significant cultural resource values. Significance is a quality of cultural resource properties that qualifies them for inclusion in the NRHP. The statements of significance included in this report are field assessments to support recommendations to the BLM and State Historic Preservation Officer (SHPO). The final determination of site significance is made by the BLM in consultation with the SHPO and the Keeper of the Register. The Code of Federal Regulations was used as a guide for the in -field site evaluations. Titles 36 CFR 50, 36 CFR 800, and 36 CFR 64 are concerned with the concepts of significance and (possible) historic value of cultural resources. Titles 36 CFR 65 and 36 CFR 66 provide standards for the conduct of significant and scientific data recovery activities. Finally, Title 36 CFR 60.4 establishes the measure of significance that is critical to the determination of a site's NRHP eligibility, which is used to assess a site's research potential: The quality of significance in American history, architecture, archaeology, and culture is present in districts, sites, buildings, structures, and objects of State and local importance that possess integrity of location, design, setting, materials, workmanship, feeling, and association, and a) that are associated with events that have made a significant contribution to the broad patterns of history; or b) that are associated with the lives of persons significant in our past; or c) that embody the distinctive characteristics of a type, period, or method of construction, or that represent the work of a master, or that possess high artistic values, or that represent a significant and distinguishable entity whose components may lack individual distinction; or d) that have yielded, or may be likely to yield, information important in the prehistory or history. 8 Summary and Recommendations As a result of the files search, it was determined that no cultural or paleontological resources have been previously recorded within the Cerise Mine location. The proposed project is the construction of a mine facility (gravel pit operation). The known recorded cultural sites in the nearby vicinity that have been evaluated as eligible for listing on the National Register of Historic Places all pertain to historic railway systems and these located nearly a mile south of the project area. One prehistoric open lithic scatter and two ditch segments have been recorded over a half mile away from the project boundary and two of these have been evaluated as needs data while the remaining site is not eligible for listing on the Register. No paleontological resources have been recorded within a mile of the study area; however, Pleistocene gravel deposits have been know to produce remnant large mammal bone and tusks of mammoths and mastodons. Additionally, a review of the project area revealed that a working ranch is located within the northern most perimeter of the mine area. Since the eligible sites in the general vicinity are nearly a mile away and related to railway activities and no sites have been previously recorded within the study block, a determination of "no effect" for the project is recommended pursuant to Section 106 of the National Historic Preservation Act (36 CFR 800). Accordingly, no further work recommended. 9 References Antevs, E. 1955 Geologic -climate dating in the west. American Antiquity 20:317-355. Berry, Michael S. and Claudia F. Berry 1986 Chronological and Conceptual Models of the Southwestern Archaic. In: Anthropology of the Desert West, ed. by Carol J. Condie and Don D. Fowler, pp. 253-327. University of Utah Anthropological Papers No. 110. Salt Lake City. Burgess, Robert J.; Kenneth L. Kvamme; Paul R. Nickens, Alan D. Reed; and Gordon C. Tucker 1980 Class II cultural resource inventory report of the Glenwood Springs Resource Area, Grand Junction District, Colorado. Ms on file, Bureau of Land Management, Grand Junction. Church, Minette C. and Steven G. Baker, Bonnie J. Clark, Richard F. Carrillo, Jonathon C. Horn, Carl D. Spath, David R. Guilfoyle, and E. Steve Cassells 2007 Colorado History: A Context for Historical Archaeology. Colorado Council of Professional Archaeologists. Dean, Jeffery S.; R. C. Euler; G. J. Gumerman; F. Plog; R. H. Hevly; and T. N.V. Karlstrom 1985 Human behavior, demography and paleoenvironment on the Colorado Plateau. American Antiquity 50(3):537-554. Euler, Robert C.; G. J. Gumerman; Thor N.V. Karlstrom; J, S. Dean; and Richard H. Hevly 1979 The Colorado Plateaus: Cultural dynamics and paleoenvironment. Science 205(4411):1089-1101. Madsen, David B. 1982 Great Basin paleoenvironments: summary and integration. In: Mand and Environment in the Great Basin, D.B. Madsen and J.F. O'Connell, editors. Society of American Archaeology Papers No. 2, pp.102-104. Wash., D.C. Mehringer, Peter J. 1967 Pollen analysis and the alluvial chronology. The Kiva 32:96-101. Peterson, Kenneth P. 1981 10,000 years of change reconstructed from fossil pollen, La Plata Mountains, southwestern Colorado. Unpublished Ph.D. dissertation, Department of Anthropology, Washington State University, Seattle. 10 Reed, Alan D. and Michael D. Metcalf 1999 Colorado Prehistory: A Context for the Northern Colorado River Basin. Colorado Council of Professional Archaeologists. U.S.D.A., Soil Conservation Service 1978 Soil Survey. Wendlund, Wayne M. and Reid A. Bryson 1974 Dating climatic episodes of the Holocene. Quaternary Research 4:9-24. Young, Robert G. and Joann W. 1977 Colorado West, Land of Geology and Wildflowers. Wheelwright Press, Ltd., U.S.A. 11 LAFARG E AGGREGATES & CONCRETE August .3, 2010 Carbondale and Rural Fire Protection District Attn: Chief Ron Leach 300 Meadowood Drive Carbondale, CO 8162.3 Dear Chief Leach, I am writing you to request a review of the proposed site plan for the Cerise Mine application, As part of the Garfield County application process we are required to submit "a letter from the applicable fire protection district stating that the proposed project has been adequately designed to handle the storage of flammable or explosive solids or gases and that the methods comply with the national, state and local fire codes." The enclosed site plan shows the location of the proposed Aggregates and Ready Mix Concrete operations on the Cerise site. The proposed flammable gases and solids planned for the site are limited to only oxygen and acetylene tanks for welding operations. We estimate 10 bottles of each split between our Aggregate and Ready Mix operations. These tanks will be stored in a locked rack adjacent to the Aggregate Plant and the Ready Mix Plant. The storage area will comply with all MSHA safety standards for signage and clearance areas. While not required for this review Lafarge also plans for the storage on site of Diesel Fuel and Gasoline. These items will be stored within storage tanks and located within an impervious secondary containment. The location of these storage tanks will also be adjacent to the Aggregate and Ready Mix plant sites. The estimated sizes of these tanks will be 2 —10,000 gallon and 1 — 5,000 gallon tanks. There will also be a 1,000 gallon tank of propane utilized on the site, These tanks will be used to fuel on-site equipment and generators. All tanks will meet all MSHA safety requirements for signage and clearance areas Lafarge will also have approximately 4 — 55 gallon drums of oil and 5 kegs of grease on site to be used on mobile mining equipment along with a 500 gallon tank of admixture for our ready mix operation. All oil, grease and admixture will be stored in compliance with the MSHA safety standards for signage and clearance areas, There will be no blasting or explosive equipment associated with this site as there will be no blasting during the mining process. LAFARGE WEST. INC. — Aggregate & Concrete 10170 Church Ranch Way, Suite 200, Westminster, Colorado 80021 Telephone: (303) 657-4000 Facsimile: (303) 657-4037 I would like to state that this list of equipment is only a preliminary estimate of what will be located on site, As the proposed plans are finalized through the permitting process changes to this list may occur. Any changes made to this list will be presented to the Fire District prior to operation of the mine. I thank you for your consideration and ask that if there are any questions you contact me at anytime. Sean Frisch Land Manager, Lafarge West, Inc. Office: 30.3-657-4336 Cell: 720-320-2451 FIRE • EMS • RESCUE October 14, 2010 Molly Orkild-Larson Garfield County Building & Planning 108 8th Street, Suite 401 Glenwood Springs, CO 81601 RE: Lafarge - Cerise Mine Dear Molly: The proposed Lafarge - Cerise Mine is in the service area of the Fire District. We provide both emergency fire and medical response to the site. I have reviewed the proposal for the storage of liquid petroleum gas, welding gases, and flammable liquids, and have found the proposal to be acceptable. Please contact me if you have any questions or if I may be of any assistance. Sincerely, gllebia,v_eg Bill Gavette Deputy Chief cc: Sean Frisch, Lafarge Carbondale & Rural Fire Protection District 300 Meadowood Drive • Carbondale, CO 81623 • 970-963-2491 Fax 970-963-0569 AIR QUALITY STATEMENT LAFARGE, WEST INC. - CERISE MINE LAFARGE Garfield County, CO Garfield County Unified Land Use Resolution Article IV Section 4-502 Description of Submittal Requirements E. Impact Analysis 10. Nuisance. Impacts on adjacent land from generation of vapor, dust or smoke Prepared by: Buys & Associates, Inc. 300 E. Mineral Ave., Suite 10 Littleton, CO 80122 303-781-8211 www.buysandassociates.com August 5, 2010 1.0 INTRODUCTION Lafarge, West Inc. (Lafarge) is proposing to mine gravel on the southern 65.5 acres of a 97.8 -acre parcel owned by Clifford Cerise Ranch CO, LLP (Cerise Parcel) and located at the northeast corner of Highway 82 and Crystal Springs Road. The new mine site is zoned rural and is used for agriculture. Lafarge's Powers pit is to the west of the proposed new mine. Mining at the existing site will be completed prior to the start of mining operations at the Cerise Mine site. The Cerise Mine is planned to operate for 15 years and will be developed in eight sequences. Per the requirements of Article VII, Section 7-840 (B) of the Garfield County Unified Land Use Resolution of 2008, a fugitive dust control plan (Plan) must be submitted for all gravel extraction operations in the county. The purpose of the Air Quality Statement is to identify and address the how Lafarge will prevent, reduce or mitigate impacts on Air Quality from activities associated within the Cerise Mine. Specifically, the Air Quality Statement will demonstrate how Lafarge will comply with the Air Quality requirements identified in Article VII, Standards, 7-840 Additional Standard applicable to Gravel Extraction, Garfield County Unified Land Use Resolution of 2008, as amended, as well as satisfy the impact analysis requirements of Section 4-502 (E) Part 10 of the Garfield County Land Use Change Permit Application. 2.0 POTENTIAL POLLUTANT GENERATING ACTIVITIES As discussed above, Lafarge plans to phase in construction of the mine over a 15 -year period. Activities with the potential to emit vapor, dust, smoke or other emanations while developing and operating the mine include construction of roadways, excavation, grading, crushing and screening. More specifically: • Removal of gravel from the mine. • Transportation to screening, crushing and loading operations via a conveyor system. • Crushing and screening of gravel. • Vehicle traffic in and around the processing areas of the site. • Traffic associated with trucks entering and exiting the site. • Wind blowing dust from exposed areas. 3.0 FUGITIVE DUST CONTROL PLAN The purpose of the Fugitive Dust Control Plan (Plan) is to identify measures that Lafarge can employ to prevent, reduce or mitigate fugitive dust as a result of activities associated within the Cerise Mine. Furthermore, the Plan will provide a means to minimize fugitive dust emissions from potential activities and prevent impacts to air quality in the surrounding community. The Fugitive Dust Control Plan is attached in Appendix A. 4.0 REGULATORY REQUIREMENTS Lafarge will comply with all applicable Garfield County, State of Colorado and Federal regulations regulating air pollution. Lafarge shall not operate in a manner constituting a public nuisance or hazard. Additional standards that Lafarge will adhere to include: • Visible emissions of fugitive dust will not exceed 20% opacity. • Any repair and maintenance activities that will generate odors beyond the property boundaries will be conducted within a building at anytime, or outdoors only between the hours of 7:00 AM and 8:00 PM, Monday - Saturday. • Lafarge will submit permit applications, acquire permits, and comply with all operating and emission standards as applicable for emission sources that require Colorado Department of Public Health and Environment Air Pollution Permits for operation. Permits for emission sources will be acquired before the permitted equipment is operated. 5.0 CUMULATIVE IMPACTS Cumulative impacts from the generation of dust will be limited. As the primary mining operations at the Powers Pit operated by Lafarge will completed prior to the start up of the Cerise Mine, any potential cumulative dust impacts are anticipated to be offset. Access to the Colorado Department of Public Health and Environment's (CDPHE) stationary source mapping tool shows six (6) PM10 (dust) emission sources within a 10 -kilometer radius of the proposed gravel mine. Two of these sources, the Powers and Sievers Pits, are Lafarge gravel pits, of which the Powers Pit will be shutting down upon startup of the Cerise Mine. The four (4) other existing sites have PM -10 emission limits totaling less than 2.5 tons per year (TPY). These sites include a hospital, an animal hospital, an earthmoving company and a natural gas pipeline company. CDPHE's mapping tool can be found at this link: http://www.colorado.gov/airquality/stationary map.aspx. In order to ensure that mining operations at the Cerise Mine will meet National Ambient Air Quality Standards, background pollutant concentrations will be taken at the project boundary. This information will be submitted along with CDPHE Air Pollution permits for regulated equipment. Appendix A - FUGITIVE DUST CONTROL PLAN FUGITIVE DUST CONTROL PLAN Lafarge will implement the following dust control measures and best management practices (bmp) to reduce fugitive dust generated from the mine: • Exposed areas will be vegetated or stabilized to limit wind erosion and to provide screening. • Frequent watering by water truck of gravel as it is removed and transported. • Install, operate and maintain water spray bars in conveyor system and crushing and screening plant. • Limit drop heights of gravel for conveyor loading, transfer points, screening and crushing. • Limit on-site vehicle speeds. • Treat frequently traveled roadways on-site with stabilizers and/or watering to minimize re -entrainment of dust from the surface of the road. • Minimize dust from loaded haul trucks by covering or watering as necessary. • A minimum 50 -foot setback around the property to allow any fugitive dust to settle before being carried by wind. • Emission controls and limits as required by CDPHE will be enforced and followed. • Construction of berms and mine walls to serve as wind breaks. • Reclaim the site once mining has been completed. STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 692-3150 CONSTRUCTION PERMIT PERMIT NO: 02P00088 DATE ISSUED: June 21, 2006 ISSUED TO: Lafarge West, Inc. FINAL APPROVAL THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Portable equipment home-based at 1800 North Taft Road, Fort Collins, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: One (1) Cedarapids, Model: 54RC II, S/N: 46768, cone crusher, design rated at440 tons per hour Emissions of particulate matter are controlled by water spray bars THIS PERMIT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO AIR QUALITY CONTROL COMMISSION AND THE COLORADO AIR POLLUTION PREVENTION AND CONTROL ACT C.R.S. (25-7-101 et seq), TO THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THIS DOCUMENT AND THE FOLLOWING SPECIFIC TERMS AND CONDITIONS: 1 Visible emissions shall not exceed twenty percent (20%) opacity during normal operation of the source During periods of startup, process modification, or adjustment of control equipment visible emissions shall not exceed 30% opacity for more than six minutes in any sixty consecutive minutes Opacity shall be measured by EPA Method 9. (Reference: Regulation No. 1, Section IIA1.&4.) 2 Each time this equipment is moved to a new location within the State of Colorado the owner or operator shall file a Relocation Notice Such notice shall be received by the Division at least ten (10) days prior to the change in location The Relocation Notice shall include a facility emission inventory of all emission units at the site. (Reference: Regulation 3, Part A, II C 1.f and Part B.III E.) 3 Appropriate permitting shall occur if this source is relocated to a facility resulting in that facility becoming a Major Source for Operating Permit purposes, or Major Stationary Source, or Modification for Prevention of Significant Deterioration purposes. 777/1904/001 ver 2/00 LodtcpniD 7 s ? - pa-t,'ti Lafarge West, Inc Permit No 02PO0088 Final Approval page 2 Colorado Department of Public Health and Environment Air Pollution Control Division 4 Spray bars shalt be used if material moisture content is insufficient to control particulate emissions 5 This source shall be limited to a maximum process rate as listed below and all other activities, operational rates and numbers of equipment as stated in the application. Annual records of the actual process rate shall be maintained by the applicant and made available to the Division for inspection upon request. (Reference: Regulation 3, Part B, II A.4) Processing (crushing) of rock shall not exceed 500,000 tons per year 6. Emissions of air pollutants shall not exceed the following limitations (as calculated in the Division's preliminary analysis): (Reference: Regulation 3, Part B, II.A 4) Particulate Matter: PM10 (Particulate Matter<10 pm): Particulate Matter - Fugitive: PM10 (Particulate Matter<10 µm) - Fugitive: 0.4 ton per year 0.2 ton per year. 0.1 ton per year. 0.1 ton per year. Compliance with fugitive particulate matter emission limits shall be demonstrated by not exceeding the process rate limits, and by application of the emission control measures. 7 This source is subject to Regulation No. 6 — Standards of Performance for New Stationary Sources, Part A — Federal Register Regulations Adopted By Reference, Subpart 000 - Standards of Performance for Nonmetallic Mineral Processing Plants, including, but not limited to, the following: a. Discharge into the atmosphere from crusher shall not exhibit greater than 15 % opacity b Discharge into the atmosphere from screens and transfer points shall not exhibit greater than 10 % opacity In addition, the following requirements of Regulation No. 6, Part A, Subpart A, General Provisions, apply a At all times, including periods of start-up, shutdown, and malfunction, the facility and control equipment shall, to the extent practicable, be maintained and operated in a manner consistent with good air pollution control practices for minimizing emissions Determination of whether or not acceptable operating and maintenance procedures are being used will be based on information available to the Division, which may include, but is not limited to, monitoring results, opacity observations, review of operating and maintenance procedures, and inspection of the source. (Reference: Regulation 6, Part A General Provisions from 40CFR60.11 777/1904/001 ver. 2/00 Lafarge West, Inc. Permit No 02P00088 Final Approval page 3 Colorado Department of Public Health and Environment Air Pollution Control Division b. No article, machine, equipment or process shall be used to conceal an emission, which would otherwise constitute a violation of an applicable standard. Such concealment includes, but is not limited to, the use of gaseous diluents to achieve compliance with an opacity standard or with a standard, which is based on the concentration of a pollutant in the gases discharged to the atmosphere. (§ 60 12) c Written notification of construction and initial startup dates shall be submitted to the Division as required under § 60.7 d Records of startups, shutdowns, and malfunctions shall be maintained, as required under § 60.7. e Written notification of opacity observation or monitor demonstrations shall be submitted to the Division as required under § 60.7. f Performance tests shall be conducted as required under § 60.8. g Compliance with opacity standards shall be demonstrated according to § 60 11 8 A Revised Air Pollutant Emission Notice (APEN) shall be filed: (Reference: Reg. 3, Part A, II C) a. Annually whenever a significant increase in emissions occurs as follows: For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five tons per year or more, above the level reported on the last APEN submitted For any non -criteria reportable pollutant: If the emissions increase by 50% or five (5) tons per year, whichever is less, above the level reported on the last APEN submitted to the Division b. Whenever there is a change in the owner or operator of any facility, process, or activity; or c. Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment or d Whenever a permit limitation must be modified; or e. No later than 30 days before the existing APEN expires L- /1 Dennis M. Myers, E Permit Reviewer R K Hancock III, P.E Unit Leader Permit History: Initial Approval issued on March 18, 2002 777/1904/001 ver 2/00 Lafarge West, Inc Permit No 02P00088 Final Approval page 4 Colorado Department of Public Health and Environment Air Pollution Control Division Notes to Permit Holder: 1) The production or raw material processing limits and emission limits contained in this permit are based on the production/processing rates requested in the permit application These limits may be revised upon request of the permittee providing there is no exceedance of any specific emission control regulation or any ambient air quality standard A revised air pollution emission notice (APEN) and application form must be submitted with a request for a permit revision. 2) This source is classified as a: Minor Portable Source 3) This source is subject to the Common Provisions Regulation Part II, Subpart E, Upset Conditions and Breakdowns The permittee shall notify the Division of any upset condition which causes a violation of any emission limit or limits stated in this permit as soon as possible, but no later than two (2) hours after the start of the next working day, followed by written notice to the Division explaining the cause of the occurrence and that proper action has been or is being taken to correct the conditions causing said violation and to prevent such excess emission in the future 4) The emission levels contained in this permit are based on the following emission factors: Particulate Matter. PM10 (particles less than 10 microns): Particulate Matter - Fugitive: PM,o (particles less than 10 microns): 0.0050 pound per ton of rock crushed, 76 4 % control 0 0024 pound per ton of rock crushed, 76 4 % control 0.00030 pound per ton of rock crushed, controlled 0 00024 pound per ton of rock crushed, controlled 777/1904/001 ver 2/00 Lafarge West, Inc Permit No 02P00088 Final Approval page 5 Colorado Department of Public Health and Environment Air Poliution Control Division GENERAL TERMS AND CONDITIONS: (IMPORTANTI READ ITEMS 5,6,7 AND 8) 1 This permit is issued in reliance upon the accuracy and completeness of information supplied by the applicant and is conditioned upon conduct of the activity, or construction, installation and operation of the source, in accordance with this information and with representations made by the applicant or applicant's agents It is valid only for the equipment and operations or activity specifically identified on the permit 2 Unless specifically stated otherwise, the general and specific conditions contained in this permit have been determined by the APCD to be necessary to assure compliance with the provisions of Section 25-7-114 5(7)(a), C.R S 3 Each and every condition of this permit is a material part hereof and is not severable Any challenge to or appeal of, a condition hereof shall constitute a rejection of the entire permit and upon such occurrence, this permit shall be deemed denied ab initio. This permit may be revoked at any time prior to final approval by the Air Pollution Control Division (APCD) on grounds set forth in the Colorado Air Quality Control Act and regulations of the Air Quality Control Commission (AQCC), including failure to meet any express term or condition of the permit if the Division denies a permit, conditions imposed upon a permit are contested by the applicant, or the Division revokes a permit, the applicant or owner or operator of a source may request a hearing before the AQCC for review of the Division's action 4. This permit and any required attachments must be retained and made available for inspection upon request at the location set forth herein. With respect to a portable source that is moved to a new location, a copy of the Relocation Notice (required by law to be submitted to the APCD whenever a portable source is relocated) should be attached to this permit. The permit may be reissued to a new owner by the APCD as provided in AQCC Regulation No. 3, Part B, Section 11. B upon a request for transfer of ownership and the submittal of a revised APEN and the required fee. 5. Issuance (initial approval) of an emission permit does not provide "final" authority for this activity or operation of this source. Final approval of the permit must be secured from the APCD in writing in accordance with the provisions of 25-7-114 5(12)(a) C.R.S. and AQCC Regulation No 3, Part B, Section III G Final approval cannot be granted until the operation or activity commences and has been verified by the APCD as conforming in all respects with the conditions of the permit. If the APCD so determines, it will provide written documentation of such final approval, which does constitute "final" authority to operate Compliance with the permit conditions must be demonstrated within 180 days after commencement of operation. 6. THIS PERMIT AUTOMATICALLY EXPIRES IF you (1) do not commence construction or operation within 18 months after either the date of issuance of this permit or the date on which such construction or activity was scheduled to commence as set forth in the permit, whichever is later; (2) discontinue construction for a period of 18 months or more; or (3) do not complete construction within a reasonable time of the estimated completion date. Extensions of the expiration date may be granted by the APCD upon a showing of good cause by the permittee prior to the expiration date 7 YOU MUST notify the APCD at least thirty days (fifteen days for portable sources) prior to commencement of the permitted operation or activity. Failure to do so is a violation of Section 25-7- 114.5(12)(a), C R S and AQCC Regulation No. 3, Part B, Section 111.G.1., and can result in the revocation of the permit You must demonstrate compliance with the permit conditions within 180 days aftercommencement of operation as stated in condition 5 8. Section 25-7-114 7(2)(a), C R.S. requires that all sources required to file an Air Pollution Emission Notice (APEN) must pay an annual fee to cover the costs of inspections and administration If a source or activity is to be discontinued, the owner must notify the Division in writing requesting a cancellation of the permit Upon notification, annual fee billing will terminate 9. Violation of the terms of a permit or of the provisions of the Colorado Air Pollution Prevention and control Act or the regulations of the AQCC may result in administrative, civil or criminal enforcement actions under Sections 25-7-115 (enforcement), -121 (injunctions), -122 (civil penalties), -122 1 (criminal penalties), C R S 777/1904/001 ver 2/00 STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 692-3150 CONSTRUCTION PERMIT PERMIT NO: 01 P00876 DATE ISSUED: May 8, 2003 ISSUED TO: Lafarge West, Inc. FINAL APPROVAL THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Portable aggregate processing unit, home-based at 3794 County Road 109, Carbondale, Garfield County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: One (1) Pioneer, model: JCI 7 x 20, serial number: 401459, 3 -deck screen, design rated at 900 tons per hour. Particulate matter shall be controlled with water spray bars. THIS PERMIT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO AIR QUALITY CONTROL COMMISSION AND THE COLORADO AIR POLLUTION PREVENTION AND CONTROL ACT C.R.S. (25-7-101 et seq), TO THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THIS DOCUMENT AND THE FOLLOWING SPECIFIC TERMS AND CONDITIONS: 1. Visible emissions from processing equipment and transfer points shall not exceed twenty percent (20%) opacity during normal operation of the source. During periods of startup, process modification, or adjustment of control equipment visible emissions shall not exceed 30% opacity for more than six minutes in any sixty consecutive minutes. Opacity shall be measured by EPA Method 9. (Reference: Regulation 1, Section II.A.1.& 4.) 2. The permit number shall be marked on the subject equipment for ease of identification. (Reference: Reg. 3, Part B, IV.E.) (State only enforceable) 3. Emissions of point -source air pollutants shall not exceed the following limitations (as calculated in the Division's preliminary analysis): (Reference: Regulation 3, Part B, III A.4) Particulate Matter (TSP): 1.98 tons per year PKo (Particulate Matter<10 :µm): 0.95 tons per year. 777/1842/001 Lafarge West, Inc. Permit No. 01 P00876 Final Approval Page 2 Colorado Department of Public Health and Environment Air Pollution Control Division 4. This source shall be limited to a maximum production rate as listed below and all other activities, operational rates and numbers of equipment as stated in the application. Compliance with the production rate listed below shall be demonstrated by maintaining annual records of the actual production rate, or by maintaining annual records of the actual hours of operation, and then multiplying the annual hours of operation by the design rate (in tons per hour) of the equipment. Annual records of either the actual production rate or actual hours of operation shall be maintained by the applicant and made available to the Division for inspection upon request. (Reference: Regulation 3, Part B, III.A.4) Screening of aggregate shall not exceed 2,250,000 tons per year. 5. Each time this equipment is moved to a new location within the State of Colorado the owner or operator shall file a Relocation Notice. Such notice shall be received by the Division at least ten (10) days prior to the change in location. The Relocation Notice shall include a facility emission inventory of all emission units at the site. (Reference: Regulation 3, Part A,II.C.1.f and Part B.IV.E.) 6. Spray bars shall be used if material moisture content is insufficient to control particulate emissions. 7. A revised Air Pollutant Emission Notice (APEN) shall be filed: (Reference: Reg.3, Part A,II.C) a. Annually whenever a significant increase in emissions occurs as follows: For any criteria pollutant: For sources emitting Tess than 100 tons per year, a change in actual emissions of five tons per year or more, above the level reported on the last APEN; or b. Whenever there is a change in the owner or operator of any facility, process, or activity; or c. Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or d. Whenever a permit limitation must be modified; or e. No later than 30 days before the existing APEN expires. 777/1842/001 Lafarge West, Inc. Permit No. 01P00876 Final Approval Page 3 Colorado Department of Public Health and Environment Air Pollution Control Division 8. This source is subject to the New Source Performance Standards requirements of Regulation No. 6, Part A, Subpart 000, Standards of Performance for Nonmetallic Mineral Processing Plants, when used at a site with initial crushing capacity of greater than 150 tons per hour (portable sources) or 25 tons per hour (fixed sources) including, but not limited to, the following: a. Visible emissions from screens and each transfer point shall not exceed ten percent (10%) opacity. In addition, the following requirements of Regulation No. 6, Part A, Subpart A, General Provisions, apply. a. At all times, including periods of start-up, shutdown, and malfunction, the facility and control equipment shall, to the extent practicable, be maintained and operated in a manner consistent with good air pollution control practices for minimizing emissions. Determination of whether or not acceptable operating and maintenance procedures are being used will be based on information available to the Division, which may include, but is not limited to, monitoring results, opacity observations, review of operating and maintenance procedures, and inspection of the source. (Reference: Regulation 6, Part A. General Provisions from 40CFR60.11) b. No article, machine, equipment or process shall be used to conceal an emission which would otherwise constitute a violation of an applicable standard. Such concealment includes, but is not limited to, the use of gaseous diluents to achieve compliance with an opacity standard or with a standard which is based on the concentration of a pollutant in the gases discharged to the atmosphere. (§ 60.12) c. Written notification of construction and initial startup dates shall be submitted to the Division as required under § 60.7. d. Records of startups, shutdowns, and malfunctions shall be maintained, as required under § 60.7. e. Written notification of opacity observation or monitor demonstrations shall be submitted to the Division as required under § 60.7. 777/1842/001 Lafarge West, Inc. Permit No. 01P00876 Final Approval Page 4 Colorado Department of Public Health and Environment Air Pollution Control Division 9. All previous versions of this permit are canceled upon issuance of this permit. Initial Approval: Issued August 20, 2002 to Westem Mobile, Inc. IA Modification 1: Name change to Lafarge West, Inc. IA Mod. #1: Issued on November 1, 2002 Notes to permit holder: By: °land C. He , P.E. Unit Leader 1. The production or raw material processing limits and emission limits contained in this permit are based on the production/processing rates requested in the permit application. These limits may be revised upon request of the permittee providing there is no exceedance of any specific emission control regulation or any ambient air quality standard. A revised air pollution emission notice (APEN) and application form must be submitted with a request for a permit revision. 2. This source is subject to the Common Provisions Regulation Part II, Subpart E, Upset Conditions and Breakdowns. The permittee shall notify the Division of any upset condition which causes a violation of any emission limit or limits stated in this permit as soon as possible, but no later than two (2) hours after the start of the next working day, followed by written notice to the Division explaining the cause of the occurrence and that proper action has been or is being taken to correct the conditions causing said violation and to prevent such excess emission in the future. 3. The emission levels contained in this permit are based on the following uncontrolled emission factors (any change in operations may change these factors): Screens: Particulate Matter: PMto (particles less than 10 microns): (94.4% control applies for water spray bars.) 0.0315 Ib per ton of aggregate processed 0.0150 Ib per ton of aggregate processed 4. This source is classified as a: Minor source 777/1842/001 Lafarge West, Inc. Permit No. 01P00876 Final Approval Page 5 Colorado Department of Public Health and Environment Air Pollution Control Division GENERAL TERMS AND CONDITIONS: (IMPORTANT! READ ITEMS 5,6,7 AND 8) 1. This permit is Issued in reliance upon the accuracy and completeness of information supplied by the applicant and is conditioned upon conduct of the activity, or construction, installation and operation of the source, in accordance with this information and with representations made by the applicant or applicant's agents. It Is valld only for the equipment and operations or activity specifically identified on the permit. 2. Unless specifically stated otherwise, the general and specific conditions contalned in this permit have been determined by the APCD to be necessary to assure compliance with the provisions of Section 25-7-114.5(7)(a), C.R.S. 3. Each and every condition of this permit is a material part hereof and is not severable. Any challenge to or appeal of, a condition hereof shall constitute a rejection of the entire permit and upon such occurrence, this permit shall be deemed denied ab initio. This permit may be revoked at any time prior to final approval bythe Air Pollution Control Division (APCD) on grounds set forth in the Colorado Air Quality Control Act and regulations of the Air Quality Control Commission (AQCC), including failure to meet any express term or condition of the permit If the Division denies a permit, conditions imposed upon a permit are contested by the applicant, or the Division revokes a permit, the applicant or owner or operator of a source may request a hearing before the AQCC for review of the Division's action. 4. This permit and any required attachments must be retalned and made available for inspection upon request at the location set forth herein. With respect to a portable source which is moved to a new location, a copy of the Relocation Notice (required by law to be submitted to the APCD whenever a portable source is relocated) should be attached to this permit. The permit may be reissued to a new owner by the APCD as provided in AQCC Regulation No. 3, Part B, Section M.B. upon a request for transfer of ownership and the submittal of a revised APEN and the required fee. 5. Issuance (initial approval) of an emission permit does not provide "final" authority for this activity or operation of this source. Final approval of the permit must be secured from the APCD in writing in accordance with the provisions of 25-7- 114.5(12)(a) C.R.S. and AQCC Regulation No. 3, Part B, Section IV.H. Final approval cannot be granted until the operation or activity commences and has been verified by the APCD as conforming in all respects with the conditions of the permit If the APCD so determines, It will provide written documentation of such final approval, which does constitute "final" authority to operate. Compliance with the permit conditions must be demonstrated within 180 days after commencement of operation. 6. THIS PERMIT AUTOMATICALLY EXPIRES IF you (1) do not commence construction or operation within 18 months after either the date of issuance of this permit or the date on which such construction or activity was scheduled to commence as set forth In the permlt, whichever is later, (2) discontinue construction fora period of 18 months or more; or (3) do not complete construction within a reasonable time of the estimated completion date. Extensions of the expiration date may be granted by the APCD upon a showing of good cause by the permittee prior to the expiration date. 7. YOU MUST notify the APCD at least thirty days (fifteen days for portable sources) prior to commencement of the permitted operation or activity. Failure to do so Is a violation of Section 25-7-114.5(12)(a), C.R.S. and AQCC Regulation No. 3, Part B, Section IV.H.1., and can result In the revocation of the permit You must demonstrate compliance with the permit conditions within 180 days after commencement of operation as stated In condition 5. 8. Section 25-7-114.7(2)(a), C.R.S. requires that alt sources required to file an Air Pollution Emission Notice (APEN) must pay an annual fee to cover the costs of inspections and administration. If a source or activity is to be discontinued, the owner must notify the Division in writing requesting a cancellation of the permit Upon notification, annual fee billing will terminate. 9. Violation of the terms of a permit or of the provisions of the Colorado Air Pollution Prevention and Control Act or the regulations of the AQCC may result in administrative, civil or criminal enforcement actions under Sections 25-7-115 (enforcement), -121 (injunctions), -122 (civil penalties), -122.1 (criminal penalties), C.R.S. 777/1842/001 STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 692-3150 CONSTRUCTION PERMIT PERMIT NO: 08P01 279 DATE ISSUED: 2010 ISSUED TO: Lafarge West, Inc. THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: INITIAL APPROVA Portable aggregate screening unit home-based at 3794 County Road 109, Carbondale, Garfield County Colorado THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE One (1) Cedarapids 7X20 screen, SN: 55029. design rated at 680 tons per hour. THIS PERMIT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO AIR QUALITY CONTROL COMMISSION AND THE COLORADO AIR POLLUTION PREVENTION AND CONTROL ACT C.R.S. (25-7-101 et sect), TO THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THI DOCUMENT AND THE FOLLOWING SPECIFIC TERMS AND CONDITIONS: 1. Visible emissions from processing equipment and transfer points shall not exceed twenty percent (20%) opacity dunng normal operation of the source During periods of startup, process modification, or adjustment of control equipment visible emissions shall not exceed 30% opacity for more than six minutes in any sixty consecutive minutes Opacity shall be measured by EPA Method 9 (Reference. Regulation 1, Section II.A.1.& 4.) 2 The permit number shall be marked on the subject equipment for ease of identification. (Reference' Reg. 3, Part B, III E.) (State only enforceable) Emissions of point -source air pollutants shall not exceed the following limitations (as calculated in the Division's preliminary analysis): (Reference: Regulation 3, Part B, II.A.4) Particulate Matter (TSP): 2.36 tons per year Particulate Matter<10 pm (PM,o): 0.82 tons per year. 4. This source shall be limited to a maximum production rate as listed below and all other activities, operational rates and numbers of equipment as stated in the application. Compliance with the production rate listed below shall be demonstrated by maintaining annual records of the actual production rate, or by maintaining annual records of the actual hours of operation, and then multiplying the annual hours of operation by the design rate (in tons per hour) of the equipment. Annual records of either the actual production rate or actual hours of operation shall be maintained by the applicant and made available to the Division for inspection upon request. (Reference: Regulation 3, Part B, II.A.4) AIRS ID: 777133221001 ver. 2/09 Page 2 of 6 Colorado Department of Public Health and Environment Air Pollution Control Division Lafarge West, Inc. Permit No. 08P01279 Initial Approval Screening of aggregate shall not exceed 2,250,000 tons per year. Compliance with the annual emission limits shall then be determined on a rolling twelve (12) month totalBy the end of each month a new twelve month total is calculated based on the previous twelve months' data. The permit holder shall keep a compliance record on site for Division review. 5. Spray bars shall be used if material moisture content is insufficient to control particulate emissions 6. A revised Air Pollutant Emission Notice (APEN) shall be filed: (Reference: Reg 3, Part A,II.C) a. Annually whenever a significant increase in emissions occurs as follows: For any critena pollutant* For sources emitting less than 100 tons per year, a change in actual emissions of five tons per year or more, above the level reported on the last APEN; or b. Whenever there is a change in the owner or operator of any facility, process, or activity; or c. Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or d. Whenever a permit limitation must be modified; or e. No later than 30 days before the existing APEN expires. 7. This source is subject to the New Source Performance Standards requirements of Regulation No. 6, Part A, Subpart 000, Standards of Performance for Nonmetallic Mineral Processing Plants, when used at a site with initial crushing capacity of greater than 150 tons per hour (portable sources) or 25 tons per hour (fixed sources) including, but not limited to, the following: a Visible emissions from screens and each transfer point shall not exceed ten percent (10%) opacity. In addition, the following requirements of Regulation No 6, Part A, Subpart A, General Provisions, apply. b. At all times, including periods of start-up, shutdown, and malfunction, the facility and control equipment shall, to the extent practicable, be maintained and operated in a manner consistent with good air pollution control practices for minimizing emissions. Determination of whether or not acceptable operating and maintenance procedures are being used will be based on information available to the Division, which may include, but is not limited to, monitoring results, opacity observations, review of operating and maintenance procedures, and inspection of the source. (Reference: Regulation 6, Part A. General Provisions from 40CFR60.11) AIRS ID: 777133221001 ver. 2109 Page 3 of 6 Colorado Department of Public Health and Environment Air Pollution Control Division Lafarge West, Inc. Permit No. 08PO1279 Initial Approval c No article, machine, equipment or process shall be used to conceal an emission which would otherwise constitute a violation of an applicable standard. Such concealment includes, but is not limited to, the use of gaseous diluents to achieve compliance with an opacity standard or with a standard which is based on the concentration of a pollutant in the gases discharged to the atmosphere (§ 60.12) d. Written notification of construction and initial startup dates shall be submitted to the Division as required under § 60 7. e. Records of startups shutdowns and malfunctions shall be maintained, as required under § 60 7. f. Written notification of opacity observation or monitor demonstrations shall be submitted to the Division as required under § 60.7. Compliance with opacity standards shall be demonstrated according to § 60.11. g. 8. When relocating this equipment the owner or operator shall (Reference: Regulation No 3, Part A Section II.C.1.f and Part B, Section III.E.): a. Submit a Relocation Notice each time this equipment is moved to a new location within the State of Colorado. Such notice shall be received by the Division at least ten (10) days prior to the change in location. 1) The Relocation Notice shall Include a facility emission inventory that includes all emission units at the site being located to. 2) Records shall be kept of all additional requirements that are triggered by the relocation including, but not, limited to: a) State or Federal New Source Performance Standards (NSPS), National Emission Standards for Hazardous Air Pollutants (NESHAP), Maximum Achievable Control Technology (MACT), Generally Available Control Technology (GACT) requirements b) Major source requirements i. Title V Operating Permits ii. Prevention of Significant Deterioration (PSD) c) Permitting of previously Air Pollutant Emission Notice (APEN) required, permit exempt sources that are no longer permit exempt due to the relocation of this unit to the site. 3) Provide ambient air quality impact analysis, or data require to perform such a E •;:requested by the Division. b. Keep a record o aif relocation notices submitted to the Division 9. This unit shall not remain at any one site for more than two (2) years. Permittee shall keep records of time spent at each site (Reference. Regulation No 3, Part A, I.B.34.) If this unit remains at a site IRS ID: 77713322/001 ver 2109 Page 4 of 6 Colorado Department of Public Health and Environment Air Pollution Control Division Lafarge West, Inc. Permit No. 08P01279 Initial Approval Bv: for two years then the permittee shall submit a revised Air Pollutant Emission Notice (APEN) requesting a permit as a non-portable stationary source. Note: If this replaces a unit and is intended to perform the same function as the unit being replaced then the cumulate time for both units, including the time between removal of the original unit and installation of the replacement unit, will be counted toward the total time spent at the site. 10. If this source relocates to a site causing the facility to become Title V Operating Permit major (see Regulation No. 3, Part A, 1.8.23.) or relocates to an existing Title V Permitted source then this source is subject to the provisions of Regulation No 3, Part C, Operating Permits (Title V of the 1990 Federal Clean Air Act Amendments). The application for the Operating Permit. or modification for inclusion in the existing Operating Permit, is due within one year of the date of relocation to the site. 11 This permit shall expire if the owner or operator of the source for which this permit was issued: (i) does not commence construction/modification or operation of this source within 18 months after either the date of issuance of this initial approval permit or the date on which such construction or activity was scheduled to commence as set forth in the permit application associated with this permit; (ii) discontinues construction for a period of eighteen months or more; or (iii) does not complete construction within a reasonable time of the estimated completion date (See General Condition No. 6., Item 1.). Upon a showing of good cause by the permittee, the Division may grant extensions of the permit. (Reference: Regulation No. 3, Part B, Section III.F.4 ) Adam Wozniak Permit Engineer AIRS ID: 777133221001 B R K Hancoc Unit Leader III, P.E. ver. 2/09 Page 5 of 6 Lafarge West, Inc. Permit No. 08P01279 Initial Approval Notes to permit holder: 1. Colorado Department of Public Health and Environment Air Pollution Control Division The production or raw material processing limits and emission limits contained in this permit are based on the production processing rates requested in the permit application. These limits may be revised upon request of the permittee providing there is no exceedance of any specific emission control regulation or any ambient air quality standard. A revised air pollution emission notice (APEN) and application form must be submitted with a request for a permit revision This source is subject to the Common Provisions Regulation Part II, Subpart E, Affirmative Defense Provision for Excess Emissions During Malfunctions. The owner or operator of the facility experiencing excess emissions during a malfunction shall notify the Division verbally as soon as possible, but no later than noon of the Division's next working day, and shall submit written notification following the initial occurrence of the excess emissions by the end of the source's next reporting period. The notification shall address the critena set forth in Section II,E.1., in the Common Provisions Regulation. The emission levels contained in this permit are based on the following uncontrolled emission factor (any change in operations may change these factors). Screens: Particulate Matter: Particulate Matter<10 pm (PM',): This source is classified as a: AIRS ID: 777/3322/001 0.025 pounds per ton of aggregate processed 0.0087 pounds per ton of aggregate processed Minor source ver. 2/09 b Page 6 of 6 Colorado Department of Public Health and Environment Air Pollution Control Division Lafarge West, Inc. Permit No. 08P01279 Initial Approval GENERAL TERMS AND CONDITIONS: (IMPORTANTI READ ITEMS 5.6,7 AND 8) 1. This permit Is issued in reliance upon the accuracy and completeness of information supplied by the applicant and is conditioned upon conduct of the activity, or construction, installation and operation of the source. in accordance with this information and with representations made by the applicant or applicant's agents. It is valid only for the equipment and operations or activity specifically identified on the permit. 2. Unless specifically stated otherwise. the general and specific conditions contained in this permit have been determined by the APCD to be necessary to assure compliance with the provisions of Section 25-7-114.5(7)(a), C.R.S. 3. Each and every condition of this permit is a material part hereof and is not severable. Any challenge to or appeal of, a condition hereof shall constitute a rejection of the entire permit and upon such occurrence. this permit shall be deemed denied ab initio. This permit may be revoked at any time prior to final approval by the Air Pollution Control Division (APCD) on grounds set forth in the Colorado Air Quality Control Act and regulations of the Air Quality Control Commission (AQCC), including failure to meet any express term or condition of the permit. If the Division denies a permit, conditions imposed upon a permit are contested by the applicant, or the Division revokes a permit, the appiicantor owner or operator of a source may request a hearing before the AQCC for review of the Division's action. 4. This permit and any required attachments must be retained and made available for inspection upon request at the location set forth herein. With respect to a portable source that is moved to a new location, a copy of the Relocation Notice (required by law to be submitted to the APCD whenever a portable source is relocated) should be attached to thls permit. The permit may be reissued to a new owner by the APCD as provided in AQCC Regulation No. 3, Part B, Section II.B upon a request for transfer of ownership and the submittal of a revised APEN and the required fee. 5. Issuance (initial approval) of an emission permit does not provide "final" authority for this activity or operation of this source. Final approval of the permit must be secured from the APCD in writing In accordance with the provisions of 25-7-114.5(12)(a) C. R.S. and AQCC Regulation No. 3, Part B, Section III,G. Final approval cannot be granted until the operation or activity commences and has been verified by the APCD as conforming in all respects with the conditions of the permit. If the APCD so determines, it will provide written documentation of such final approval. which does constitute "final" authority to operate. Compliance with the permit conditions must be demonstrated within 180 days after commencement of operation. 6. THIS PERMIT AUTOMATICALLY EXPIRES IF you (1) do not commence construction or operation within 18 months after either the date of issuance of this permit or the date on which such construction or activity was scheduled to commence as set forth in the permit, whichever is later, (2) discontinue construction for a period of 18 months or more; or (3) do not complete construction within a reasonable time of the estimated completion date. Extensions of the expiration date may be granted by the APCD upon a showing of good cause by the permittee prior to the expiration date. 7. YOU MUST notify the APCD at least thirty days (fifteen days for portable sources) after commencement of the permitted operation or activity. Failure to do so is a violation of Section 25-7-114.5(12)(a), C.R.S. and AQCC Regulation No. 3, Part B, Section III.G 1., and can result in the revocation of the permit. You must demonstrate compliance with the permit conditions within 180 days after commencement ofoperation as stated in condition 5. 8_ Section 25-7-114.7(2)(a), C.R.S. requires that all sources required to file an Air Pollution Emission Notice (APEN) must pay an annual fee to cover the costs of inspections and administration. If a source or activity is to be discontinued, the owner must notify the Division in wnting requesting a cancellation of the permit. Upon notification, annual fee billing will terminate. 9. Violation of the terms of a permit or of the provisions of the Colorado Air Pollution Prevention and control Act or the regulations of the AQCC may result in administrative, civil or criminal enforcement actions under Sections 25-7- 115 (enforcement), -121 (injunctions), -122 (civil penalties), -122.1 (criminal penalties), C.R.S. AIRS ID: 77713322/001 ver. 2/09 STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 692-3150 CONSTRUCTION PERMIT PERMIT NO: 97P00030 DATE ISSUED: MARCH 27, 2003 ISSUED TO: LAFARGE WEST, INC. FINAL APPROVAL Modification 2 THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Hot mix asphalt (HMA) production facility located at 1590 West 12th Avenue, Denver, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Drum mix asphalt plant with a Astec drum mixer, Model No. PRDC-400 TB, Serial No. 97- 010, and a Hauck bumer, Model No. Starjet 4580. The drum mix plant is design rated at 400 tons per hour, using No. 2 Fuel Oil and Waste Oil fuel types. Emission sources include storage silos, aggregate stockpiles, and vehicle traffic. Particulate emissions are controlled by a Astec baghouse. THIS PERMIT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO AIR QUALITY CONTROL COMMISSION AND THE COLORADO AIR POLLUTION PREVENTION AND CONTROL ACT C.R.S. (25-7-101 et seq), TO THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THIS DOCUMENT AND THE FOLLOWING SPECIFIC TERMS AND CONDITIONS: 1. Visible emissions shall not exceed twenty percent (20%) opacity during normal operation of the source. During periods of startup, process modification, or adjustment of control equipment visible emissions shall not exceed 30% opacity for more than six minutes in any sixty consecutive minutes. Opacity shall be measured by EPA Method 9. (Reference: Regulation 1, Section II.A.1.& 4.) 2. The particulate emission control measures listed on the attached page (as approved by the Division) shall be applied to the particulate emission producing sources as required by Regulation No. 1, Section III.D.1.b. 3. The permit number shall be marked on the subject equipment for ease of identification. (Reference: Reg. 3, Part B, IV.E.) (State only enforceable) 777/1050/001 ver. 11/99 Lafarge West, Inc. Permit Number 97PO0030 Final Approval page 2 4. Colorado Department of Public Health and Environment Air Pollution Control Division Emissions of air pollutants and production of HMA shall not exceed the following limitations (as calculated in the Division's preliminary analysis). (Reference: Regulation 3, Part B, III.A.4) Controlled Emissions and Production Levels in tons per year Particulate Matter: 10.38 tons per year. PM10 (Particulate Matter<10 pm): 7.32 tons per year. Sulfur Dioxide: 17.40 tons per year. Nitrogen Oxides: 16.50 tons per year. Volatile Organic Compounds 15.07 tons per year. Carbon Monoxide: 11.36 tons per year. Production of Hot Mix Asphalt shall not exceed 600,000 tons per year. This source shall be limited to the maximum annual production rates. In addition:all other activities, operational rates and numbers of equipment shall be as stated in the application. Monthly records of the actual production rate shall be maintained by the applicant and made available to the Division for inspection upon request. (Reference: Regulation 3, Part B,III.A.4) Compliance with the annual. production and emission limits shall then be determined on a rolling twelve (12) month total. By the end of each month a new twelve month total is calculated based on the previous twelve months' data. The permit holder shall keep a compliance record on site for Division review. 5. Emissions of fugitive particulate matter (PM) and fugitive particulate matter of less than ten microns (Philo) shall not exceed the following limits. Fugitive emissions include: wind erosion from exposed areas and stockpiles, material handling, and vehicular traffic. These emission limits are based on the production rates listed above. The Division assumes that these levels are being met if the control measures stated in the approved control plan are followed and the stated process rates are not exceeded. tons per year Fugitive Particulate Matter 9.91 Fugitive Particulate Matter less than 10 microns (PM -10) 2.29 8. Each time this equipment is moved to a new location within the State of Colorado the owner or operator shall file a Relocation Notice. Such notice shall be received by the Division at least ten (10) days prior to the change in location. The Relocation Notice shall include a facility emission inventory of all emission units at the site. (Reference: Regulation 3, Part A,1I.C.1.f and Part B.IV.E.) 7. A Revised Air Pollutant Emission Notice (APEN) shall be filed: (Reference: Reg. 3, Part A,II.C) a. Annually whenever a significant increase in emissions occurs as follows: For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five tons per year or more, above the level reported on the last APEN submitted; or 777/1050/001 ver. 11/99 Lafarge West, Inc. Permit Number 97P00030 Final Approval page 3 Colorado Department of Public Health and Environment Air Pollution Control Division For any non -criteria reportable pollutant: If the emissions increase by 50% or five (5) tons per year, whichever is less, above the level reported on the last APEN submitted to the Division. b. Whenever there is a change in the owner or operator of any facility, process, or activity; or c. Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or d. Whenever a permit limitation must be modified; or e. No later than 30 days before the existing APEN expires. 8. - This source is subject to the New Source Performance Standards requirements of Regulation No. 6, Part A, Subpart I, (Standards of Performance for Hot Mix Asphalt Facilities) including, but not limited to, the following: a. Emissions of particulates shall not exceed 0.04 grains per dry standard cubic foot. b. Visible emissions shall be less than 20% opacity. In addition, the following requirements of Regulation No. 6, Part A, Subpart A, General Provisions, apply. a. At all times, including periods of start-up, shutdown, and malfunction, the facility and control equipment shall, to the extent practicable, be maintained and operated in a manner consistent with good air pollution control practices for minimizing emissions. Determination of whether or not acceptable operating and maintenance procedures are being used will be based on information available to the Division, which may include, but is not limited to, monitoring results, opacity observations, review of operating and maintenance procedures, and inspection of the source. (Reference: Regulation 6, Part A. General Provisions from 40CFR60.11 b. No article, machine, equipment or process shall be used to conceal an emission which would otherwise constitute a violation of an applicable standard. Such concealment includes, but is not limited to, the use of gaseous diluents to achieve compliance with an opacity standard or with a standard which is based on the concentration of a pollutant in the gases discharged to the atmosphere. (§ 60.12) c. Written notification of construction and initial startup dates shall be submitted to the Division as required under § 60.7. d. Records of startups, shutdowns, and malfunctions shall be maintained, as required under § 60.7. e. Written notification of opacity observation or monitor demonstrations shall be submitted to the Division as required under § 60.7. f. Performance tests shall be conducted as required under § 60.8. 9. Compliance with opacity standards shall be demonstrated according to § 60.11. 777/1050/001 ver. 11/99 Lafarge West, Inc. Permit Number 97P00030 Final Approval page 4 Colorado Department of Public Health and Environment Air Pollution Control Division 9. Operating Permit (OP) requirements shall apply to this source at any such time that this source becomes major solely by virtue of a relaxation in any permit limitation. Any relaxation that increases the potential to emit above the applicable OP threshold shall require submittal of and issuance of an operating permit, under Regulation 3, Part C. 10. The applicant shall follow the most current operating and maintenance plan and record keeping format approved by the Division in order to demonstrate compliance on an ongoing basis with the requirements of condition no. 4 listed above. (Reference: Reg. 3, Part B,IV.B.2) 11. All previous versions of this permit are canceled upon issuance of this permit. Jonathan Akins Permit Engineer Initial Approval issued June 24, 1997 IA Modification 1 issued January 9, 1998 Final Approval issued February 15, 2001 By: Roland C. He Unit Leader This FA Modification 2 is a name change from Western Mobile Northern and includes a fugitive dust control plan. 777/1050/001 ver. 11/99 Lafarge West, Inc. Permit Number 97P00030 Final Approval page 5 Colorado Department of Public Health and Environment Air Pollution Control Division Notes to Permit Holder: 1) The production or raw material processing limits and emission limits contained in this permit are based on the production/processing rates requested in the permit application. These limits may be revised upon request of the permittee providing there Is no exceedence of any specific emission control regulation or any ambient air quality standard. A revised air pollution emission notice (APEN) and application form must be submitted with a request for a permit revision. 2) This source is subject to the Common Provisions Regulation Part ll, Subpart E, Upset Conditions and Breakdowns. The permittee shall notify the Division of any upset condition which causes a violation of any emission limit or limits stated in this permit as soon as possible, but no later than two (2) hours after the start of the next working day, followed by written notice to the Division explaining the cause of the occurrence and that proper action has been or is being taken to correct the conditions causing said violation and to prevent such excess emission in the future. 3) The emission levels contained in this permit are based on the following emission factors: Particulate Matter: Particles less than 10 microns (PM10): Volatile Organic Compounds: Nitrogen Oxides: Sulfur Oxides: Carbon Monoxide*: Total Suspended Particulate: Fugitive PM10: 0.0346 pounds per ton of HMA produced 0.0244 pounds per ton of HMA produced 0.0502 pounds per ton of HMA produced 0.0550 pounds per ton of HMA produced 0.0580 pounds per ton of HMA produced 0.0379 pounds per ton of HMA produced 0.0330 pounds per ton of HMA produced 0.0076 pounds per ton of HMA produced CO Emissions based on emission factors developed by the state. 4) This source is classified as a: Synthetic minor source for Operating Permit applicability At a: Synthetic Minor Facility 5) The following emissions of non -criteria reportable air pollutants are established based upon the material consumptions as indicated in Condition Number _4_. This information is listed to inform the operator of the Division's analysis of the specific compounds. This information is listed on the Division's emission inventory system. C.A.S.# SUBSTANCE EMISSIONS FLB/YRI 108-88-3 Toluene 1740.00 106-51-4 Quinone 96.00 7647-01-0 HCL 126.00 75-07-0 Acetaldehyde 780.00 50-00-0 Formaldehyde 1919.69 71-43-2 Benzene 238.12 Total HAPs (including non-reportables) 6607 6). In accordance with C.R.S. 25-7-114.1, the Air Pollutant Emission Notice (APEN) associated with this permit is valid for a term of five years. The five year term for the APEN received with this permit application expires on October 16, 2007. A revised APEN shall be submitted no later than 30 days before the five year term expires. 777/1050/001 ver. 11/99 Lafarge West, Inc. Permit Number 97P00030 Final Approval page 6 Colorado Department of Public Health and Environment Air Pollution Control Division PARTICULATE EMISSIONS CONTROL PLAN FOR MATERIAL PROCESSING ACTIVITIES THE FOLLOWING PARTICULATE EMISSIONS CONTROL MEASURES SHALL BE USED FOR COMPLIANCE PURPOSES ON THE ACTIVITIES COVERED BY THIS PERMIT, AS REQUIRED BY THE AIR QUALITY CONTROL COMMISSION REGULATION NO.1, Section III.D.1.b. THIS SOURCE IS SUBJECT TO THE FOLLOWING EMISSION GUIDELINES: a. Processing Activities - Visible emissions not to exceed 20%, no of property transport of visible emissions. b. Haul Roads - No off -property transport of visible emissions shall apply to on-site haul roads, the nuisance guidelines shall apply to off-site haul roads. c. Haul Trucks - There shall be no off -property transport of visible emissions from haul trucks when operating on the property of the owner or operator. There shall be no off -vehicle transport of visible emissions from the material in the haul trucks when operating off of the property of the owner or operator. Control Measures 1. Emissions from material handling (ie: loading and hauling) shall be controlled by watering at all times unless natural moisture is sufficient to control emissions. 2. Vehicle speed on haul roads and service roads shall be restricted to 30 miles per hour. Speed limit signs shall be posted. 3. Unpaved haul roads shall be graveled or watered frequently to control fugitive particulate emissions. 777/1050/001 ver. 11/99 Lafarge West, Inc. Permit Number 97P00030 Final Approval page 7 Colorado Department of Public Health and Environment Air Pollution Control Division GENERAL TERMS AND CONDITIONS: (IMPORTANT! READ ITEMS 5,6,7 AND 8) 1. This permit is issued in reliance upon the accuracy and completeness of information supplied by the applicant and is conditioned upon conduct of the activity, or construction, installation and operation of the source, In accordance with this information and with representations made by the applicant or applicant's agents. It is valid only for the equipment and operations or activity specifically identified on the permit. 2. Unless specifically stated otherwise, the general and specific conditions contained in this permit have been determined by the APCD to be necessary to assure compliance with the provisions of Section 25-7- 114.5(7)(a), C.R.S. 3. Each and every condition of this permit is a material part hereof and is not severable. Any challenge to or appeal of, a condition hereof shall constitute a rejection of the entire permit and upon such occurrence, this permit shall be deemed denied ab initio. This permit may be revoked at any time prior to final approval by the Air Pollution Control Division (APCD) on grounds set forth in the Colorado Air Quality Control Act and regulations of the Air Quality Control Commission (AQCC), including failure to meet any express term or condition of the permit. If the Division denies a permit, conditions imposed upon a permit are contested by the applicant, or the Division revokes a permit, the applicant or owner or operator of a source may request a hearing before the AQCC for review of the Division's action. 4. This permit and any required attachments must be retained and made available for inspection upon request at the location set forth herein. With respect to a portable source which is moved to a new location, a copy of the Relocation Notice (required by law to be submitted to the APCD whenever a portable source is relocated) should be attached to this permit. The permit may be reissued to a new owner by the APCD as provided in AQCC Reguletion No. 3, Part 8, Section III.B. upon a request for transfer of ownership and the submittal of a revised APEN and the required fee. 5. Issuance (initial approval) of an emission permit does not provide "final" authority for this activity or operation of this source. Final approval of the permit must be secured from the APCD in writing In accordance with the provisions of 25-7-114.5(12)(a) C.R.S. and AQCC Regulation No. 3, Part 8, Section IV.H. Final approval cannot be granted until the operation or activity commences and has been verified by the APCD as conforming in all respects with the conditions of the permit. If the APCD so determines, it will provide written documentation of such final approval, which does constitute "final" authority to operate. Compliance with the pennit conditions must be demonstrated within 180 days after commencement of operation. 6. THIS PERMIT AUTOMATICALLY EXPIRES IF you (1) do not commence construction or operation within 18 months after either the date of issuance of this permit or the date on which such construction or activity was scheduled to commence as set forth in the permit, whichever is later; (2) discontinue construction for a period of 18 months or more; or (3) do not complete construction within a reasonable time of the estimated completion date. Extensions of the expiration date may be granted by the APCD upon a showing of good cause by the permittee prior to the expiration date. 7. YOU MUST notify the APCD at least thirty days (fifteen days for portable sources) prior to commencement of the permitted operation or activity. Failure to do so is a violation of Section 25-7-114.5(12)(a), C.R.S. and AQCC Regulation No. 3, Part B, Section IV.H.1., and can result in the revocation of the permit. You must demonstrate compliance with the permit conditions within 180 days after commencement of operation as stated in condition 5. 8. Section 25-7-114.7(2)(a), C.R.S. requires that all sources required to file an Air Pollution Emission Notice (APEN) must pay an annual fee to cover the costs of inspections and administration. If a source or activity is to be discontinued, the owner must notify the Division in writing requesting a cancellation of the permit. Upon notification, annual fee billing will terminate. 9. Violation of the terms of a permit or of the provisions of the Colorado Air Pollution Prevention and control Act or the regulations of the AQCC may result in administrative, civil or criminal enforcement actions under Sections 25-7-115 (enforcement), -121 (injunctions), -122 (civil penalties), -122.1 (criminal penalties), C.R.S. 777/1050/001 ver. 11/99 STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 692-3150 CONSTRUCTION PERMIT PERMIT NO: 08P00796 FINAL APPROVAL DATE ISSUED: March 12, 2010 ISSUED TO: Lafarge West, Inc. THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Portable equipment home-based at 3794 County Road 109, Carbondale, Garfield County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: One (1) Cedarapids, Model: 2248, S/N: 54978, jaw crusher, design feed rated at 650 tons per hour, for processing of rock to make construction aggregates. Hopper Loading. Five (5) equivalent transfers. THIS PERMIT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO AIR QUALITY CONTROL COMMISSION AND THE COLORADO AIR POLLUTION PREVENTION AND CONTROL ACT C.R.S. (25-7-101 et seri), TO THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THIS DOCUMENT AND THE FOLLOWING SPECIFIC TERMS AND CONDITIONS: 1. All previous versions of this permit are cancelled upon issuance of this permit. 2. When relocating this equipment the owner or operator shall (Reference: Regulation No. 3, Part A, Section II.C.1.f and Part B, Section a Submit a Relocation Notice each time this equipment is moved to a new location within the State of Colorado. Such notice shall be received by the Division at least ten (10) days prior to the change in location. 1), The Relocation Notice shall Include a facility emission inventory that includes all emission units at the site being located to. 2). Records shall be kept of all additional requirements that are triggered by the relocation including, but not limited to: a). State or Federal New Source Performance Standards (NSPS), National Emission Standards for Hazardous Air Pollutants AIRS Point ID: 777/3244/001 Page I of 7 Colorado Department of Public Health and Environment Air Pollution Control Division Lafarge West, Inc — Portable Jaw Crusher Permit No. 08P00796 Final Approval (NESHAP), Maximum Achievable Control Technology (MACT), Generally Available Control Technology (GACT) requirements b). Major source requirements i. Title V Operating Permits ii. Prevention of Significant Deterioration (PSD) c). Permitting of previously Air Pollutant Emission Notice (APEN) required, permit exempt sources that are no longer permit exempt due to the relocation of this unit to the site. 3). Provide ambient air quality impact analysis, or data require to perform such analysis, if so requested by the Division. b. Keep a record of all relocation notices submitted to the Division c. A complete emissions inventory and an ambient air quality impact analysis for the site shall be submitted with the first Relocation Notice for this equipment. For information on ambient air quality impact analysis see the Division's modeling guidance at http://www.colorado.gov/airquality/permits.aspx 3. This unit shall not remain at any one site for more than two (2) years. Permittee shall keep records of time spent at each site (Reference: Regulation No. 3, Part A, I.B.34.). If this unit remains at a site for two years then the permittee shall submit a revised Air Pollutant Emission Notice (APEN) requesting a permit as a non-portable stationary source. Note: If this replaces a unit and is intended to perform the same function as the unit being replaced then the cumulate time for both units, including the time between removal of the original unit and installation of the replacement unit, will be counted toward the total time spent at the site 4. If this source relocates to a site causing the facility to become Title V Operating Permit major (see Regulation No. 3, Part A, I.B.23.) or relocates to an existing Title V Permitted source then this source is subject to the provisions of Regulation No. 3, Part C, Operating Permits (T itle V of the 1990 Federal Clean Air Act Amendments). The application for the Operating Permit, or modification for inclusion in the existing Operating Permit, is due within one year of the date of relocation to the site. 5. This source is subject to Regulation No. 6, Part A, Subpart 000, Standards of Performance for Nonmetallic Mineral Processing Plants, including, but not limited to, the following: Discharge into the atmosphere from the crusher shall not exhibit greater than 15 % opacity. Discharge into the atmosphere from each of the transfers shall not exhibit greater AIRS Point ID: 777/3244/001 Page 2 of 7 Colorado Department of Public Health and Environment Air Pollution Control Division Lafarge West, Inc — Portable law Crusher Permit No 08P00796 Final Approval than 10 % opacity. In addition, the following requirements of Regulation No. 6, Part A, Subpart A, General Provisions, apply a. At all times, including periods of start-up, shutdown, and malfunction, the facility and control equipment shall, to the extent practicable, be maintained and operated in a manner consistent with good air pollution control practices for minimizing emissions. Determination of whether or not acceptable operating and maintenance procedures are being used will be based on information available to the Division, which may include, but is not limited to, monitoring results, opacity observations, review of operating and maintenance procedures, and inspection of the source. (Reference: Regulation No 6, Part A. General Provisions from 40 CFR 60.11 b No article, machine, equipment or process shall be used to conceal an emission that would otherwise constitute a violation of an applicable standard, Such concealment includes, but is not limited to, the use of gaseous diluents to achieve compliance with an opacity standard or with a standard that is based on the concentration of a pollutant in the gases discharged to the atmosphere. (§ 60.12) c. Written notification of construction and initial startup dates shall be submitted to the Division as required under § 60.7. d. Records of startups, shutdowns, and malfunctions shall be maintained, as required under § 60.7. e Written notification of opacity observation or monitot demonstrations shall be submitted to the Division as required under § 60.7. f Performance tests shall be conducted as required under § 60 8 g - Compliance with opacity standards shall be demonstrated according to § 60.11. 6. The permit number shall be marked on the subject equipment for ease of identification. (Reference: Regulation No 3, Part B, Section 111.E ) (State only enforceable) 7. i'he crusher and the transfer points shall be enclosed to minimize emissions. 8. Spray bars shall be used if material moisture content is insufficient to control particulate emissions. 9. A Revised Air Pollutant Emission Notice (APEN) shall be filed: (Reference: Regulation AIRS Point ID: 777/3244/001 Page 3 of 7 Colorado Department of Public Health and Environment Air Pollution Control Division Lafarge West, Inc — Portable Jaw Crusher Permit No 08P00796 Final Approval No. 3, Part A, Section I1.0 ) a Annually whenever a significant increase in emissions occurs as follows: For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five tons per year or more, above the level reported on the last APEN submitted. b Whenever there is a change in the owner or operator of any facility, process, or activity; or c Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or d. Whenever a permit limitation must be modified; or e. No later than 30 days before the existing APEN expires. APEN/s expires five (5) years from the date/s of submittal. 10. This source shall be limited to a processing rate as listed below and all other activities, operational rates and numbers of equipment as stated in the application. Annual records of the actual processing rate shall be maintained by the applicant and made available to the Division for inspection upon request. (Reference: Regulation No. 3, Part B, Section II.A.4.) Processing (material handling and crushing) of rock for production of construction aggregates shall not exceed 1,500,000 tons per year. 1 1 . Emissions of air pollutants shall not exceed the following limitations (as calculated in the Division's preliminary analysis): (Reference: Regulation No. 3, Part B, Section II.A.4.) Particulate Matter: PM 10 (Particulate Matter<10 µm): .i Al Dennis M Myers, P.F/ Permit Review Engineer 10.50 tons per year. 5.03 tons per year. R K Hancock III, P E. Construction Permits Unit Supervisor AIRS Point ID: 777/3244/001 Page 4 of 7 Colorado Department of Public Health and Environment Air Pollution Control Division Lafarge West, Inc. — Portable law Crusher Permit No 08P00796 Final Approval Permit History: Date Action Description November 6, 2008 IA Initial Approval. Issued to Lafarge West, Inc. APEN Submittal Loa (to be maintained further by the uermittee): APEN Submittal Date APEN Expiry Date Renewal APEN to be submitted by Remarks June 30, 2008 June 30, 2013 May 31, 2008 AIRS Point ID: 777/3244/001 Page 5 of 7 Colorado Department of Public Health and Environment Air Pollution Control Division Lafarge West, Inc. — Portable Jaw Crusher Permit No 08P00796 Final Approval Notes to Permit Holder: 1) The production or raw material processing limits and emission limits contained in this permit are based on the production/processing rates requested in the permit application. These limits may be revised upon request of the permittee providing there is no exceedance of any specific emission control regulation or any ambient air quality standard. A revised air pollution emission notice (APEN) and application form must be submitted with a request for a permit revision. 2) This source is classified as a: Portable Minor Source 3) This source is subject to the Common Provisions Regulation Part II, Subpart E, Affirmative Defense Provision for Excess Emissions During Malfunctions. The permittee shall notify the Division of any malfunction condition which causes a violation of any emission limit or limits stated in this permit as soon as possible, but no later than noon of the next working day, followed by written notice to the Division addressing all of the criteria set forth in Part II.E.1. of the Common Provisions Regulation. See: http://www. cdphe.state.co. us/regu lations/ain•egs/ 100102agcccommonprovisionsreg. pdf. 4) The emission levels contained in this permit are based on the following emission factors (pounds per ton of material handled / processed): Pollutant / Activity EmiFactor Emission Controls Cont.Eff. % Particulate Matter (PM) 5 Equivalent Transfers 0.0150 Enclosure / Spray Bars 50.00 Crushing 0.0050 Enclosure / Spray Bars 50.00 Hopper Loading 0.0080 Moist / Sprays 50.00 PM 10 (PM < 10 um) 5 Equivalent Transfers 0.0070 Enclosure / Spray Bars 50.00 Crushing 0.0024 Enclosure / Spray Bars 50.00 Hopper Loading 0.0040 Moist / Sprays 50.00 PM2.5(PM < 2.5 um) 5 Equivalent Transfers 0.0070 Enclosure / Spray Bars 50.00 Crushing 0.0024 Enclosure / Spray Bars 50.00 Hopper Loading 0.0040 Moist / Sprays 50.00 AIRS Point ID: 777/3244/001 Page 6 of 7 Colorado Department of Public Health and Environment Air Pollution Control Division Lafarge West, Inc — Portable Jaw Crusher Permit No 08P00796 Final Approval GENERAL TERMS AND CONDITIONS: (IMPORTANT! READ ITEMS 5,6,7 AND 8) 1 This permit is issued in reliance upon the accuracy and completeness of information supplied by the applicant and is conditioned upon conduct of the activity, or construction, installation and operation of the source, in accordance with this information and with representations made by the applicant or applicant's agents It is valid only for the equipment and operations or activity specifically identified on the permit 2 Unless specifically stated otherwise, the general and specific conditions contained in this permit have been determined by the APCD to be necessary to assure compliance with the provisions of Section 25-7-114 5(7)(a), C R S. 3 Each and every condition of this permit is a material part hereof and is not severable Any challenge to or appeal of, a condition hereof shall constitute a rejection of the entire permit and upon such occurrence, this permit shall be deemed denied ab initio This permit may be revoked at any time prior to final approval by the Air Pollution Control Division (APCD) on grounds set forth in the Colorado Air Quality Control Act and regulations of the Air Quality Control Commission (AQCC), including failure to meet any express term or condition of the permit If the Division denies a permit, conditions imposed upon a permit are contested by the applicant, or the Division revokes a permit, the applicant or owner or operator of a source may request a hearing before the AQCC for review of the Division's action 4 This permit and any required attachments must be retained and made available for inspection upon request at the location set forth herein. With respect to a portable source that is moved to a new location, a copy of the Relocation Notice (required by law to be submitted to the APCD whenever a portable source is relocated) should be attached to this permit. The permit may be reissued to a new owner by the APCD as provided in AQCC Regulation No. 3, Part B, Section II B upon a request for transfer of ownership and the submittal of a revised APEN and the required fee 5. Issuance (initial approval) of an emission permit does not provide "final" authority for this activity or operation of this source Final approval of the permit must be secured from the APCD in writing in accordance with the provisions of 25-7-114.5(12)(a) C. R and AQCC Regulation No 3, Part B, Section II I.G Final approval cannot be granted until the operation or activity commences and has been verified by the APCD as conforming in all respects with the conditions of the permit. If the APCD so determines, It will provide written documentation of such final approval, which does constitute "final" authority to operate. Compliance with the permit conditions must be demonstrated within 180 days after commencement of operation. 6 THIS PERMIT AUTOMATICALLY EXPIRES IF you (1) do not commence construction or operation within 18 months after either the date of issuance of thls permit or the date on which such construction or activity was scheduled to commence as set forth in the permit, whichever is later, (2) discontinue construction for a period of 18 months or more; or (3) do not complete construction within a reasonable time of the estimated completion date Extensions of the expiration date may be granted by the APCD upon a showing of good cause by the permittee prior to the expiration date 7 YOU MUST notify the APCD no later than thirty days after commencement of the permitted operation or activity by submitting a Notice of Startup (NOS) form to the APCD The Notice of Startup (NOS) form may be downloaded online atwww.cdphe.state.co.us/ap/downloadforms.html. Failure to do so is a violation of AQCC Regulation No 3, Part B, Section III .G 1 , and can result in the revocation of the permit You must demonstrate compliance with the permit conditions within 180 days after commencement of operation as stated in condition 5 8 Section 25-7-114.7(2)(a), C R S. requires that all sources required to file an Air Pollution Emission Notice (APEN) must pay an annual fee to cover the costs of inspections and administration If a source or activity is to be discontinued, the owner must notify the Division in writing requesting a cancellation of the permit Upon notification, annual fee billing will terminate 9. Violation of the terms of a permit or of the provisions of the Colorado Air Pollution Prevention and control Act or the regulations of the AQCC may result in administrative, civil or criminal enforcement actions under Sections 25- 7-115 (enforcement), -121 (injunctions), -122 (civil penalties), -122 1 (criminal penalties), C R S AIRS Point ID: 777/3244/001 Page 7 of 7 STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 692-3150 CONSTRUCTION PERMIT PERMIT NO: 01 P00173 DATE ISSUED: MARCH 6, 2003 ISSUED TO: Lafarge West, Inc, FINAL APPROVAL THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Portable concrete batch plant home-based, and initially located at 14156B Highway 82, Carbondale, Garfield County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: One (1) Erie Strayer, MG -IIT, twin mix plant, with a design rate of 250 cubic yards per hour. This plant Is equipped with a baghouse for particulate emissions control. THIS PERMIT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO AIR QUALITY CONTROL COMMISSION AND THE COLORADO AIR POLLUTION PREVENTION AND CONTROL ACT C.R.S. (25.7-101 et sea), TO THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THIS DOCUMENT AND THE FOLLOWING SPECIFIC TERMS AND CONDITIONS: 1. Visible emissions shall not exceed twenty percent (20%) opacity during normal operation of the source. During periods of startup, process modification, or adjustment of control equipment visible emissions shall not exceed 30% opacity for more than six minutes in any sixty consecutive minutes. Opacity shall be measured by EPA Method 9. (Reference: Regulation 1, Section I1.A.1.& 4.) 2. The permit number shall be marked on the subject equipment for ease of identification. (Reference: Reg. 3, Part B, IV.E.) (State only enforceable) 3. The manufacturer, model number and serial number of the subject equipment shall be provided to the Division prior to Final Approval. (Reference: Reg. 3, Part B, IV.E.) 4. This source shall be limited to a maximum production rate as listed below and all other activities, operational rates and numbers of equipment as stated In the application. Annual records of the actual production rate shall be maintained by the applicant and made available to the Division for inspection upon request. (Reference: Regulation 3, Part B,III.A.4) Production of concrete shall not exceed 100,000 cubic yards per year. 5. Emissions of air pollutants from point sources shall not exceed the following limitations (as calculated in the Division's preliminary analysis). (Reference: Regulation 3, Part B,111.A.4) Point sources include: sand and aggregate transfers, silo loading, bucket elevator, weigh hopper loading, mixer loading, and truck loading. Particulate Matter: 3.06 tons per year PKo (Particulate Matter<10 pm): 1.45 tons per year. 777/1696/001 757'7/5 ver. 2/00 Page 2 Colorado Department ,,, Public Health and Environment Air Pollution Control Division Lafarge West, Inc. Permit No. 01P00173 Final Approval Emissions of fugitive particulate matter and fugitive particulate matter of less than ten microns (PM10) shall not exceed the following limits. Fugitive emissions include: wind erosion from exposed areas and stockpiles, and vehicular traffic. These emission limits are based on the production rates listed in condition number 5 above. The Division assumes that these levels are being met if the control measures stated in the approved control plan are followed and the stated process rates are not exceeded. Particulate Matter: 3.00 tons per year Particulate Matter (PM10): 1.43 tons per year. 6. A revised Air Pollutant Emission Notice (APEN) shall be filed: (Reference: Reg.3, Part A,II.C) a. Annually whenever a significant increase in emissions occurs as follows: For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five tons per year or more, above the level reported on the last APEN; or b. Whenever there Is a change in the owner or operator of any facility, process, or activity; or c. Whenever new control equipment Is installed, or whenever a different type of control equipment replaces an existing type of control equipment or d. Whenever a permit limitation must be modified; or e. No later than 30 days before the existing APEN expires. 7. This source Is subject to New Source Performance Standards requirements of Regulation No. 6, Part B, Section III, Standards of Performance for New Manufacturing Processes. In addition, the following requirements of Regulation No. 6, Part A, Subpart A, General Provisions, apply. a. At all times, including periods of start-up, shutdown, and malfunction, the facility and control equipment shall, to the extent practicable, be maintained and operated In a manner consistent with good air pollution control practices for minimizing emissions. Determination of whether or not acceptable operating and maintenance procedures are being used will be based on information available to the Division, which may include, but is not limited to, monitoring results, opacity observations, review of operating and maintenance procedures, and inspection of the source. (Reference: Regulation 6, Part A. General Provisions from 40CFR60.11) b. No article, machine, equipment or process shall be used to conceal an emission which would otherwise constitute a violation of an applicable standard. Such concealment includes, but is not limited to, the use of gaseous diluents to achieve compliance with opacity standard or with a standard which is based on the concentration of a pollutant in the gases discharged to the atmosphere. (§ 60.12) c. Written notification of construction and initial startup dates shall be submitted to the Division as required under § 60.7. 777/1696/001 ver. 2/00 Page 3 Colorado Department _. Public Health and Environment Air Pollution Control Division Lafarge West, Inc. Permit No. 01P00173 Final Approval d. Records of startups, shutdowns, and malfunctions shall be maintained, as required under § 60.7. 8. The particulate emission control measures listed on the attached page (as approved by the Division) shall be applied to the particulate emission producing sources as required by Regulation No. 1, Section III.D.1.b. 9. All previous versions of this permit are canceled upon issuance of this permit. . By: —• �� By: Sunday A. Fadeyi, P`L. Roland C. Hea, P.E. Permit Engineer Unit Leader Initial Approval: Modification No. 1: Modification No. 2: Issued on April 23, 2001. Transfer of ownership from Rocky Mountain Redi-Mix Issued on Juiy31, 2002, Name change from Lafarge 777/1696/001 ver. 2/00 Page 4 Colorado Department _, Public Health and Environment Air Pollution Control Division Lafarge West, Inc. Permit No. 01P00173 Final Approval Notes to Permit Holder: 1). The production or raw material processing limits and emission limits contained in this permit are based on the production/processing rates requested in the permit application. These limits may be revised upon request of the permittee providing there is no exceedance of any specific emission control regulation or any ambient air quality standard. A revised air pollution emission notice (APEN) and application form must be submitted with a request for a permit revision. 2). This source is subject to the Common Provisions Regulation Part II, Subpart E, Upset Conditions and Breakdowns. The permittee shall notify the Division of any upset condition which causes a violation of any emission limit or limits stated in this permit as soon as possible, but no later than two (2) hours after the start of the next working day, followed by written notice to the Division explaining the cause of the occurrence and that proper action has been or is being taken to correct the conditions causing said violation and to prevent such excess emission In the future. 3). The emission levels contained in this permit are based on the following emission factors: Process emissions: Particulate Matter: PMw (particles less than 10 microns): Fugitive Emissions: Particulate Matter: PM10 (particles less than 10 microns): 4). This source is classified as a: Minor source. 0.0612 pounds 0.0290 pounds 0.0600 pounds 0.0286 pounds per cubic yard of concrete produced per cubic yard of concrete produced per cubic yard of concrete produced per cubic yard of concrete produced 777/1696/001 ver. 2/00 Page 5 Colorado Department Public Health and Environment Air Pollution Control Division Lafarge West, Inc. Permit No. 01P00173 Final Approval PARTICULATE EMISSIONS CONTROL PLAN FOR MATERIAL PROCESSING ACTIVITIES THE FOLLOWING PARTICULATE EMISSIONS CONTROL MEASURES SHALL BE USED FOR COMPLIANCE PURPOSES ON THE ACTIVITIES COVERED BY THIS PERMIT, AS REQUIRED BY THE AIR QUALITY CONTROL COMMISSION REGULATION NO.1, Section III.D.1.b. THIS SOURCE IS SUBJECT TO THE FOLLOWING EMISSION GUIDELINES: a. Processing Activities - Visible emissions not to exceed 20%, no off -property transport of visible emissions. b. Haul Roads - No off -property transport of visible emissions shall apply to on-site haul roads, the nuisance guidelines shall apply to off-site haul roads. c. Haul Trucks - There shall be no off -property transport of visible emissions from haul trucks when operating on the property of the owner or operator. There shall be no off -vehicle transport of visible emissions from the material in the haul trucks when operating off of the property of the owner or operator. Control Measures 1. Material stockpiles shall be watered as necessary to control fugitive particulate emissions. Aggregate materials shall be sprayed with water during material loading into the storage bins or stockpiles. 2. Plant entryway, truck service roads, and concrete batching areas shall be graveled. Watering shall be implemented if dust problems occur. 3. Vehicle speed on haul roads and service roads shall be restricted to 30 miles per hour. Speed limit signs shall be posted. 777/1696/001 ver. 2/00 Page 6 Colorado Department ... Public Health and Environment Air Pollution Control Division Lafarge West, Inc. Permit No. 01P00173 Final Approval GENERAL TERMS AND CONDITIONS: (IMPORTANTI READ ITEMS 5,8.7 AND 8) 1. This permit is issued in reliance upon the accuracy and completeness of information supplied by the applicant and is conditioned upon conduct of the activity, or construction, installation and operation of the source, in accordance with this information and with representations made by the applicant or applicant's agents. It is valid only for the equipment and operations or activityspeciflcally identified on the permit. 2. Unless specifically stated otherwise, the general and specific conditions contained in this permit have been determined by the APCD to be necessaryto assure compliance with the provisions of Section 25-7-114.5(7)(a), C.R.S. 3. Each and every condition of this permit is a material part hereof and is not severable. Any challenge to or appeal of, a condition hereof shall constitute a rejection of the entire permit and upon such occurrence, this permit shall be deemed denied ab initio. This permit may be revoked at any time prior to final approval by the Air Pollution Control Division (APCD) on grounds set forth in the Colorado Air Quality Control Act and regulations of the Air Quality Control Commission (AQCC), Including failure to meet any express term or condition of the permit. If the Division denies a permit, conditions imposed upon a permit are contested by the applicant, or the Division revokes a permit, the applicant or owner or operator of a source may request a hearing before the AQCC for review of the Division. s action. 4. This permit and any required attachments must be retained and made available for inspection upon request at the location set forth herein. With respect to a portable source which is moved to a new location, a copy of the Relocation Notice (required by law to be submitted to the APCD whenever a portable source is relocated) should be attached to this permit. The permit may be reissued to a new owner by the APCD as provided In AQCC RegulationNo. 3, Part B, Section ilt.B. upon a request for transfer of ownership and the submittal of a revised APEN and the required be. 5. Issuance (Initial approval)of an emission permit does not provide "final° authority for this activityoroperation of this source. Final approval of the permit must be secured from the APCD in writing in accordance with the provisions of 25-7-114.5(12Xa) C.R.S. and AQCC Regulation No. 3, Part B, Section N.H. Final approval cannot be granted until the operation or activity commences and has been verified by the APCD as conforming In all respects with the conditions of the permit. If the APCD so determines, it will provide written documentation of such final approval, which does constitute "final authority to operate. Compliance with the permit conditions must be demonstrated within 180 days after commencement of operation. 6. THIS PERMIT AUTOMATICALLY EXPIRES IF you (1) do not commence construction or operation within 18 months after either the date of issuance of this permit or the date on which such construction or activity was scheduled to commence as set forth In the permit, whichever is later; (2) discontinue construction for a period of 1 B months or more; or (3) do not complete construction within a reasonable time of the estimated completion date. Extensions of the expiration date maybe granted by the APCD upon a showing of good cause by the permittee prior to the eviration date. 7. YOU MUST notify the APCD at least thirty days (fifteen days for portable sources) prior to commencement of the permitted operation or activity. Failure to do so is a violation of Section 25-7-114.5(12)(a), C.R.S. and AQCC Regulation No. 3, Part B, Section IV.H.1., and can result in the revocation of the permit. You must demonstrate compliance with the permit conditions naithin 180 days after commencement of operation as stated in condition 5. B. Section 25-7-114.7(2)(a), C.R.S. requires that all sources required to file an Air Pollution Emission Notice (APEN) must pay an annual fee to cover the costs of inspections and administration. If a source or activityis to be discontinued, the owner must notify the Division in writing requesting a cancellation of the permit. Upon notification, annual fee billing will terminate. 9. Violation of the terms of a permit or of the provisions of the Colorado Alr Pollution Prevention and Control Act or the regulations of the AQCC may result in administrative, civil or criminal enforcement actions under Sections 25-7-115 (enforcement), -121 (Injunctions), -122 (civil penalties), -122.1 (crininal penalties), C.R.S. 77711696/001 ver. 2/00 B&A Buys & Associates, Inc. Environmental Consultants November 18, 2010 Ms. Molly Orkild-Larson Garfield County — Building & Planning Department 108 Eighth Street, Suite 401 Glenwood Springs, CO 81601 300 E. Mineral Ave., Suite 10 Littleton, Colorado 80122-2655 303-781-8211 (P) 303-781-1167 (F) Re: Explanation of Air Compliance at the Lafarge Cerise Mine Site Dear Ms. Orkild-Larson: I am writing on behalf of Lafarge to clarify the air permit coverage and permitting process for Lafarge's proposed Cerise Mine site. The Colorado Department of Public Health & Environment, Air Pollution Control Division (CDPHE) is responsible for permitting and testing stationary sources of air pollution to ensure they do not adversely affect air quality in Colorado. CDPHE is also responsible for developing, implementing, and maintaining several certifications programs associated with improving and preserving air quality. Lafarge currently possesses air quality permits from CDPHE for all proposed production equipment to be relocated to the Cerise Mine. The air quality permits for the production equipment are a type of permit identified as "Portable Permits", and allow Lafarge to relocate the equipment as listed on the permits from one site to another site. The permitted equipment to be located at the Cerise mine is currently in operation at Lafarge's nearby Powers Mine, and has been operated in compliance with all applicable CDPHE regulations. As the permitted, portable equipment is mobilized from the Powers Mine to the Cerise Mine, Lafarge must submit relocation notices to CDPHE for review. This review ensures all permit requirements and rules and regulations are fully complied with and air quality standards will not be negatively impacted. As part of the review process, CDPHE may require Lafarge to conduct air modeling studies to analyze any impact on air quality. Any additional CDPHE permitting requirements will also be strictly followed. The current air quality permits as issued to Lafarge have been reviewed, analyzed, processed and issued as being in compliance with all applicable CDPHE rules and regulations. These rules and regulations include opacity percentages, specific emission limits for pollutant sources, maximum production rates, best management practices and documentation of all required information. Overall emissions from the proposed Cerise mine will result in no net increase in emissions (i.e. emission levels will remain the same as the current Powers mine emission) due to the fact that equipment on the Powers site will be shut down, and then relocated from the Powers Mine to the Cerise Mine. Based on the fact that emission levels will remain the same (no increase in emissions), the current Powers Mine is in full compliance with air quality standards, and that the site has all the required air permits, it is reasonable to assume that the Cerise Mine will remain in compliance with the NAAQS, even considering cumulative air quality impacts. Additionally, as part of general operations, Lafarge will implement site specific best management practices at the Cerise Mine site to ensure air quality impacts are minimized, and ensure full compliance with all permit requirements. These best management practices include the following: • Exposed areas will be vegetated or stabilized to limit wind erosion. • Frequent watering by water trucks of gravel as it is removed and transported. • Use of a conveyor system rather than trucks to transport the material on-site. • Install, operate and maintain water spray bars within the conveyor system and all crushing and screening equipment. • Limit drop heights of gravel for conveyor loading, transfer points, screening and crushing. • Limit on-site vehicle speeds. • Treat frequently travelled on-site roadways with stabilizers and/or watering to minimize re - entrainment of dust from road surfaces. • Minimize dust from loaded haul trucks by covering and/or watering material as necessary. • Maintain a minimum 50 -foot setback around the property to allow any fugitive dust to settle before being carried by the wind. • Construction of berms and mine walls to serve as wind breaks. • Reclamation including complete revegetation of the site, once mining has been completed, to the Colorado Division of Reclamation, Mining and Safety standards. Should you have any questions or concerns regarding this information, please do not hesitate to contact me by phone at 303-781-8211 or by e-mail at dpring@buysandassociates.com. Sincerely, Daniel Pring Environmental Manager 2 HANKARD EN'VIRONMENTAL ACOUSTICS AND VIBRATION CONSULTING November 17, 2010 Mr. Sean Frisch, AICP Land Coordinator - Colorado Lafarge West, Inc. 10170 Church Ranch Way, Suite 200 Westminster, Colorado 80021 Re: Analysis of Noise from Proposed Cerise Gravel Mine in Garfield County, Colorado Dear Mr. Frisch, Hankard Environmental predicted the level of noise that will be generated by the proposed Cerise Gravel Mine, which will be located along US Highway 82 approximately two miles northeast of Carbondale, Colorado (Garfield County). The predicted noise levels were compared to the applicable noise level limits contained in the State of Colorado noise regulations, which are deferred to by Garfield County. Our analysis demonstrates that noise from the proposed mine will be in compliance with applicable limits, provided that certain mitigation (reduction) measures are implemented. This report describes the noise regulations applicable to the proposed Project, the methods and data used to predict noise levels from the Project, existing noise levels in the vicinity, and the assessment of noise level compliance. APPLICABLE NOISE CONTROL REGULATIONS Noise emissions from the proposed Cerise Gravel Mine must adhere to Garfield County Unified Land Use Resolution, Article VII, Section 7-840, Additional Standards Applicable to Gravel Extraction. Paragraph C of Section 7-840 requires the "Volume of sound generated shall comply with the standards set forth in the Colorado Revised Statutes at the time any new application is made." Noise levels are regulated in the Colorado Revised Statutes (CRS) in Title 25, Article 12, Noise Abatement. CRS §25-12 noise limits are listed in Table 1, and depend on the time of day of operations, the land use of adjacent properties, and the type of operations. The limits need to be met at a point 25 feet outside of the Project boundary (permit boundary), as clearly stated by Garfield County resolution 7-840. Time of Day The proposed Project will operate during the following times: 7:00 am to 8:00 pm Monday through Saturday. Crushing, digging, and heavy hauling will only be allowed from 7:00 am to 6:00 pm, with only administrative and maintenance activities taking place until 8:00 pm. No operations except emergency maintenance to ensure the integrity of operating equipment shall take place on Sunday. COLORADO • WISCONSIN • MAINE phone: (303) 666-0617 • www.hankardinc.com • fax (303) 600-0282 HANKA D ENVIRONMENTAL - Ac i s11CS ANG V•SRAiIOM CONSULrIN6 These operating hours fall primarily into the 'Daytime' category defined by CRS §25-12 (7:00 am to 7:00 pm). Therefore, only the 'Daytime' noise level limits shown in Table 1 are applicable to the proposed Project. Land Use The strongest determinant of the applicable noise limit is adjacent land use. Note that in this analysis, it is the use of the adjacent property that determines the noise limit, not the zoning of the property. Table 2, below, lists the land zoning and land use of the properties adjacent to the Project (refer to Figure 1 for the location of these properties). Adjacent land use to the north is residential (Cerise residences and others). Adjacent land use to the west consists of gravel mining (Powers Mine), which for the purposes of this analysis was interpreted as 'industrial' per CRS §25-12. Adjacent land use in all other directions is primarily agriculture/grazing, which for the purposes of this analysis was interpreted as 'light industrial' per CRS §25-12. The resulting daytime noise level limits in each direction are shown in Table 2. Type of Operation Two caveats apply to these limits. During the daytime, the noise level limit can be increased by 10 dBA for 15 minutes in any one-hour period. This will be applicable to intermittent sources of mining noise, such as earth moving equipment approaching and receding from the edges of the permit boundary. Noise level limits are decreased by 5 dBA for intermittent, shrill type sounds, which on this project primarily applies to back-up alarms on earth moving equipment ('white -noise' back-up alarms are recommended, which are not impulsive or shrill). TABLE 1 — Maximum Permissible Noise Levels (dBA) - Colorado Revised Statutes §25-12 Zone Daytime (1), (2) Nighttime (2) (7:00 a.m. to 7:00 p.m.) (7:00 p.m. to 7:00 a.m.) Residential 55 50 Commercial 60 1 55 Light Industrial 70 65 Industrial 75 (1) During the daytime, noise levels can be increased by 10 dBA for 15 minutes in any one-hour period (2) Noise level limit decreased by 5 dBA for intermittent, shrill type sounds Analysis of Noise from Proposed cerise Gravel Mine in Garfield County, Colorado page 2 November 17, 2010 1 HANKARD ENVIRONMENTAL .+r -�. AG Otl511O5 AND Vt5 RATiOH COHSIILrIH6 TABLE 2 — Zoning and Land use of Properties Adjacent to Proposed Cerise Mine Garfield County Parcel No. Direction from Proposed Project Garfield County Zoning Land Use for Daytime Cerise Noise Noise Limit Analysis (7am to 7pm) 2393-254-00-265 SE ARRD (1) Light industrial 70 2393-253-00-270 E Ag (2) Light industrial 70 2393-253-00-158 N Ag (2) Residential 55 2393-234-00-131 W ARRD (1) Industrial (3) 80 2393-264-00-004 SW Ag (2) Light industrial 70 2393-264-00-003 S Ag (2) Light industrial 70 2393-264-00-005 SSE Ag (2) Light industrial 70 (1) ARRD = Agricultural Residential Rural Density (2) No zoning given by Garfield County, 'Property Code' is agricultural (Ag) (3) Based on current land use, which is industrial (Powers Mine) FIGURE 1 — LOCATION OF ADJACENT PROPERTIES Analysis of Noise from Proposed cerise Gravel Mine in Garfield County, Colorado page 3 November 17, 2010 HANKAR ' F! NVIRONMENTAL - Ac i s11CS ANG V•SRAiION CONSULrIN6 NOISE LEVEL PREDICTION METHODOLOGY AND DATA Noise producing equipment to be employed on the proposed Cerise Mine Project includes: 1. Diesel -powered earth moving equipment (loaders, dozers, excavators, etc.) 2. Rock crushing plant (cone crusher and jaw crusher) 3. Diesel -powered electrical generators 4. Conveyors and feeders 5. Wash/processing plant (two dry screens and two wet screens) 6. Ready mix plant 7. Hot mix asphalt plant A sound power level (noise emission factor) was developed for each of these sources using a combination of measurements and published sources. The Table 3 lists the sound power level (abbreviated'PWL', expressed in dBA, and referenced to 0.00002 Pascals) of each source included in the analysis, as well as a reference for each PWL. The PWL is independent of distance from the source, ground conditions, etc. It is a measure of how much sound energy is radiating from the source in all directions. The next step in the noise analysis was to determine which pieces of equipment will be used during each phase of the Project, where this equipment will be located, and how and when it will be operated. Gravel will be mined in eight sequences, ranging from initial stripping and stockpiling to final grading (refer to Mining Plan, Tetra Tech, July 16, 2010 for more detailed information). In general, gravel mining operations will consist of scrapers removing the top layer of dirt, followed by loaders digging up raw aggregate and loading it onto conveyors that will carry the raw aggregate to the aggregate plant. Finally, a wheel loader will load the crushed aggregate into dump trucks for transportation off-site. The aggregate plant is powered by diesel -powered electrical generators. A concrete batch plant and asphalt batch plant will also be operated. The following describes the anticipated operations for each Sequence based on information from the Project Team and the mining plan: Sequence 1 Initial Stripping and Stockpiling a. Diesel -powered earth moving equipment (scrapers and dozers) will operate on the northern and western portions of the site b. An earthen berm will be constructed along the northern boundary to shield the residences located to the north (approximately 50 feet tall) c. A smaller berm will be constructed along portions of the western boundary (approximately 17 feet tall) Sequence 2 Phase 1 Mining a. Diesel -powered earth moving equipment (scrapers, dozers, loaders) will excavate a tailings pond and construct additional stockpiles Analysis of Noise from Proposed cerise Gravel Mine in Garfield County, Colorado page 4 November 17, 2010 HANKAR ' F! NVIRONMENTAL - Ac i s11CS ANG V•SRAiION CONSULrIN6 b. The aggregate plant will be installed and operated in the center/northwest portion of the site (includes rock crushing plant, diesel -powered electrical generators, conveyors and feeders, and wash/processing plant) c. The ready mix plant will be installed and operated d. The hot mix asphalt plant will be installed and operated e. Dump trucks will arrive on site, be loaded with aggregate, and depart Sequence 3 Phase 2 Mining a. Diesel -powered earth moving equipment (scrapers, dozers, loaders) will excavate the southeast portion of the mine and construct additional stockpiles b. The aggregate plant, ready mix plant, and hot mix asphalt plant will be operated c. Dump trucks will arrive on site, be loaded with aggregate, and depart Sequence 4 Phase 3-A Mining a. The aggregate plant and asphalt plant will be moved to the southeast portion of the site, which will place the plant at a lower elevation and now shielded by the rim of the pit b. Diesel -powered earth moving equipment (scrapers, dozers, loaders) will excavate the northwest portion of the mine, and will now operate below grade c. The aggregate plant, ready mix plant, and hot mix asphalt plant will be operated d. Dump trucks will arrive on site, be loaded with aggregate, and depart Sequence 5 Phase 3-B (Acoustically the same as Sequence 4) Sequence 6 Phase 4-A (Acoustically the same as Sequence 4) Sequence 7 Phase 4-B (Acoustically the same as Sequence 4) Sequence 8 Reclamation (Acoustically the same as Sequence 1) The proposed Project will operate primarily during the 'Daytime', as defined by CRS §25-12 (7:00 am to 7:00 pm), with all aggregate processing, and production and off-loading of concrete and asphalt taking place from 7:00 am to 6:00 pm. Only administrative and maintenance activities will be allowed from 6:00 pm to 8:00 pm, which are considered acoustically insignificant. A summary of the equipment assumed for each mining sequence is shown in Table 4. The PWL and equipment information was used with SoundPlan (v7.0), which is a software program that predicts the propagation of sound outdoors per ISO 9613-2, to predict the noise level in all directions around the Project for mining Sequences 1 through 4. The SoundPlan model considered the effects of topography (elevations), ground type, distance, and the frequency content of the sound sources. Also, ISO 9613-2 predicts noise levels assuming 'downwind' conditions (wind blowing from source to receptor). Analysis of Noise from Proposed cerise Gravel Mine in Garfield County, Colorado page 5 November 17, 2010 HAN ENVIRONMENTAL .+r —�. Ac Qtl51ic .046 Vt5 RAi10I/ CONSULrIN6 TABLE 3 — Sound Power Level (PWL, dBA) of Major Noise Producing Equipment Noise Source Sound Power Level (dBA) Reference GenSet Exhaust - 500 Hp w/ GT 201-2100 127 Representative unit: Cummins GenSet Exhaust - 1500 Hp w/ GT 201-2100 126 Representative unit: CAT GenSet Engine - 1500 Hp - Unenclosed 119 Representative unit: Cummins GenSet Engine0l 500 Hp - Unenclosed 131L 111 Representative unit: CAT Jaw Crusher 123 Measured Dry Screen 116 Measured Cone Crusher 110 Measured Wet Screen 110 Measured Concrete Batch Plant - Load Out 114 Measured Concrete Batch Plant - Dust Collector 114 1 Measured • Asphalt Plant 121 Measured Loader 113 Measured Dozer 112 Measured Motor Grader 112 Measured Backhoe 106 Measured Water Truck 105 FHWA RCNM v1.0 Contractor Truck 105 FHWA RCNM v1.0 Concrete Truck 105 FHWA RCNM v1.0 Analysis of Noise from Proposed cerise Gravel Mine in Garfield County, Colorado page 6 November 17, 2010 HAN ENVIRONMENTAL .+r —�. Ac Qtl511c5 .046 Vt5 RAi10I/ CONSULrIN6 TABLE 3 — Number of Ma or Noise Producing Equipment ger Sequence Equipment Sequence 1 & 8 2 thru 7 Transient Mining 11 Scraper 4 4 Dozer 1 1 Motor Grader 1 1 Backhoe 1 1 Loader --- 4 Water Truck --- 1 Contractor Vehicles(1) Contractor Truck --- 4 Concrete Truck --- 4 Aggregate Plant Sources Jaw Crusher --- 1 Cone Crusher --- 1 Dry Screen --- 2 Wet Screen --- 2 Concrete Batch Plant Sources Dust Collector --- 1 Load Out --- 1 Asphalt Plant Sources Asphalt Plant 1 Generator Sources (2) GenSet Engine 1500kW --- 1 GenSet Exhaust 1500kW --- 1 GenSet Engine 450 kW --- 1 GenSet Exhaust 450kW --- 1 (1) Moving (not idle) on site at any one time. (2) All GenSets assumed to be unenclosed, but include a commercial grade exhaust silencer (-14 to 20 dB reduction). Analysis of Noise from Proposed cerise Gravel Mine in Garfield County, Colorado page 7 November 17, 2010 HANKA D F! NVIRONMENTAL - Ac i s11CS ANG V•SRAilllh CONSULrIN6 EXISTING NOISE LEVELS While not required by CRS §25-12, it is useful in the analysis of environmental noise situations to have an understanding of existing noise levels. Existing levels provide a reference point, and in some cases there are existing noise sources that need to be figured into the analysis. Noise measurements were conducted near the proposed Cerise Mine at the three locations shown as M1 -M3 in Figure 1 (above). Audible sources at all three locations include distant traffic (SH 82), the crusher at the Powers Mine, birds, wind blowing through the grass, and the Western Slope Aggregate mine to the east (at M2 only). Measurements were conducted using Larson Davis Model 820 sound level meters. The meters are rated as 'Type 1' by the American National Standards Institute (ANSI), were calibrated within the past one year by a certified and traceable calibration laboratory, and were field calibrated prior to the measurement. The microphones were placed five -feet above the ground, and fitted with standard windscreens. The meters were configured to constantly measure and log the 5 -minute, A -weighted equivalent noise level (Leo), and were left unattended for approximately 24 hours. The measured sound levels are shown in the Appendix. Overall, noise levels late at night are in the low -30 to low -40 dBA range. During the daytime, noise levels are generally in the 40 to 50 dBA range, with occasional 'peaks' of 70 dBA. Analysis of Noise from Proposed cerise Gravel Mine in Garfield County, Colorado page 8 November 17, 2010 HANKAR ' F! NVIRONMENTAL - Ac i s11CS ANG V•SRAiION CONSULrIN6 NOISE ANALYSIS RESULTS AND CONCLUSIONS Noise levels were predicted for Mining Sequences 1, 2, 3, and 4. Sequences 5 through 7 are considered equivalent to Sequence 4, and Sequence 8 is considered equivalent to Sequence 1. Noise levels were predicted for the loudest operating scenarios (i.e. equipment at grade, near edge of permit line, etc.) at locations 25 feet outside of the proposed permit line. The predicted levels were then compared to applicable CRS §25-12 noise level limits. The predicted noise levels are shown in the Appendix, as are noise level contour plots which graphically show noise levels in relation to the permit boundary and site topography. A few mining activities are predicted to exceed applicable noise limits. The noise mitigation (reduction) measures required to bring all operations into compliance with Garfield County noise regulations include: 1. The two berms shown in the 'Mining Sheets' (Tetra Tech, July 16, 2010) must be constructed early in the project. The northern berm is approximately 50 feet tall and the western berm is approximately 17 feet tall. 2. The dust collector that is situated on top of the concrete batch plant requires a noise reduction of at least 5 dBA (particularly to the north). Mitigation could include adding a silencer or adding a barrier. 3. Noise levels from earth moving equipment operating at the very edges of the mine (at grade) are predicted to occasionally exceed the allowable limits, but they should be well within the allowable 10 dB increase for 15 minutes per hour. 4. Electrical generators (gen-sets) must be equipped with commercial grade silencers or better (at least 15 to 20 dB of insertion loss). 5. The use of white noise back up alarms is recommended for all Lafarge equipment. Backing up by contractor vehicles not outfitted with these alarms should be minimized. The predicted noise levels, compliance determination, and recommended mitigation measures are based on the operational information provided by Lafarge. These results will change if significant changes are made to the type of equipment used, the location of its use, or the hours of its operation. Please call if you have any questions. Sincerely, Jeff M. Cerjan Senior Engineer Analysis of Noise from Proposed cerise Gravel Mine in Garfield County, Colorado page 9 November 17, 2010 "TANKARD FNVIRONMENTA . ACOUSTICS AND VIBRATION CONSULTING APPENDIX A EXISTING BACKGROUND NOISE LEVELS Analysis of Noise from Proposed cerise Gravel Mine in Garfield County, Colorado page Al November 17, 2010 Z .P• mat.'l • • ig ".•11.?Zr: ..... 411" T_TANKARD "A`ENVIRONIVIENTAL ACOUSTICS AND VIBRATION CONSULTING C4 Lel© •!-J- r+1 e-1 (yap 'sienialu! s) lanai ainssaid punos FIGURE Al — MEASURED BACKGROUND NOISE LEVELS AT MI - rid 00:1 - Id 00:ZI - IAiV 00:LL - IAIV 00:01 - INV 006 - 008 - 00:i - lAN 00:9 - V1V 00:c - 0017 - 00:£ - INV 00:Z - VAV - tJV 00:11 - Old 00:1I - Itid 00:01 - Old 00:6 - lAld 00:8 - 00:t - lAld 00:9 - Old 00:S - LAM 00:t - Old 00:E Old 00:1 E Analysis of Noise from Proposed cerise Gravel Mine in Garfield County, Colorado page A2 November 17, 2010 re, (vg p `s ettualu n utiu s) lanai JflSSBJd p u nos H� NM Mr. ACOUSTICS AND VIBRATION CONSULTING FIGURE A2 — MEASURED BACKGROUND NOISE LEVELS AT M2 - 00:1 - NEI 0 011 - INV 00:IT - INV 00:01 - ViVOO6 - 1A1V008 - Vt1V 00:i - 00:9 - 00:c - 00:t - 00:E - INV 00:Z E - 00:I - LAN 00:11 - Old 00:II - rld 00:01 - rid 00:6 - 00:8 - 00:t - 00:9 - hid Mc - 004, - Ittld 00:E UM 00:1 Analysis of Noise from Proposed cerise Gravel Mine in Garfield County, Colorado page A3 November 17, 2010 ......1.&%=!," .• a i6 M. = ''. "TANKARD "AENVIRONMENTAL •••K_ Mr. ACOUSTICS AND VIBRATION CONSULTING 0 135 (yap 'slenialu! artww s) nssam punos FIGURE A3 — MEASURED BACKGROUND NOISE LEVELS AT M3 - lAld 00:I - Iid 00:Z1 - IfJV 00:I1 - INV 00:01 - 00:6 - IAN 008 - 00:f - LAJV 00:9 - VAV 00:S - INV 00:t - V1V 00:£ - 00:Z - 1t1IV 00:I - LAN 00:11 - Old 00:11 - LAJd 00:01 - 00:6 - 00:8 - 00:t - Vid 00:9 - Iftld 00:S - INd 00:17 - rid 00:£ LAid 00:1 cu E Analysis of Noise from Proposed cerise Gravel Mine in Garfield County, Colorado page A4 November 17, 2010 "TANKARD FNVIRONNIENTA . ACOUSTICS AND VIBRATION CONSULTING APPENDIX B PREDICTED NOISE LEVELS AND CONTOURS Analysis of Noise from Proposed cerise Gravel Mine in Garfield County, Colorado page B1 November 17, 2010 R2 R22 R23 R27 R01 R02 H�NMAL ACOUSTICS AND VIBRATION CONSULTING R05 R06 R04 R03 R24 Asphalt Plant (Seq 2 & 3) Aggregate Plant (Seq 2 & 3) Phase 3 Phase 4a Phase 2 Aggregate Plant (Seq 24 to 7) Asphalt Plant (Seq 4 to 7) R20 R19 R18 R16� R15 R14��` R134�4-- �. FIGURE B1 — PREDICTED NOISE LOCATIONS R12 Rol ROB R09 R10 R11 Analysis of Noise from Proposed cerise Gravel Mine in Garfield County, Colorado page B2 November 17, 2010 H�NM ACOUSTICS AND VIBRATION CONSULTING TABLE B1 - Predicted Daytime Noise Levels 25 feet Outside of Permit Line Prediction Location 1 Sequence 2 3 4to7 R01 68 67 67 61 A R02 68 56 56 54 R03 76 53 53 47 R04 R05 R06 R07 R08 1 67 80 56 53 49 50 59 55 53 58 62 71 47 60 63 66 R09 62 61 71 65 R10 61 71 g R11 56 60 63 61 R12 51 111 59 60 I R13 52 61 62 60 R14 54. 62 63 R15 46 56 56 52 R16 55 60 58 R17 80 63 74 67 R18 56 - 65 64 R19 53 80 61 56 R20 50 63 57 I R21 57 78 56 53 IL R22 1 79 73 65 R23 R24 R25 R26 70 72 60 60 1 64 I 64 72 59 60 72 55 76 69 69 63 64 R27 68 59 (1) Noise levels shown are without any of the recommended noise mitigation measures except for the commercial grade silencers on the generators. Analysis of Noise from Proposed cerise Gravel Mine in Garfield County, Colorado page B3 November 17, 2010 H�NM ACOUSTICS AND VIBRATION CONSULTING II II II II V V V V V V V V V V O Q Q Q Q 4 L(7 TP t� DO 01 Q FIGURE B2 — PREDICTED NOISE CONTOUR FOR CERISE MINING SEQUENCE 1 Analysis of Noise from Proposed cerise Gravel Mine in Garfield County, Colorado page B4 November 17, 2010 H�NM ACOUSTICS AND VIBRATION CONSULTING FIGURE B3 — PREDICTED NOISE CONTOUR FOR CERISE MINING SEQUENCE 2 Analysis of Noise from Proposed cerise Gravel Mine in Garfield County, Colorado page B5 November 17, 2010 H�NM ACOUSTICS AND VIBRATION CONSULTING II II II II II V V V V V V v v v v v O© Q O O 4 l� DO 01 0 FIGURE B4 — PREDICTED NOISE CONTOUR FOR CERISE MINING SEQUENCE 3 Analysis of Noise from Proposed cerise Gravel Mine in Garfield County, Colorado page B6 November 17, 2010 H�NM ACOUSTICS AND VIBRATION CONSULTING FIGURE B5 — PREDICTED NOISE CONTOUR FOR CERISE MINING SEQUENCE 4 Analysis of Noise from Proposed cerise Gravel Mine in Garfield County, Colorado November 17, 2010 page B7 Traffic Impact Study LAFARGE WEST CERISE SITE Garfield County, Colorado Eugene G. Coppola PE, PTOE P.O. Box 630027 Littleton, CO 80163 303-792-2450 Traffic Impact Study LAFARGE WEST CERISE SITE Garfield County, Colorado Prepared For: Lafarge West, Inc. 10170 Church Ranch Way, Suite 200 Westminster, CO 80021 Prepared By: Eugene G. Coppola PE, PTOE P. O. Box 630027 Littleton, CO 80163 303-792-2450 August 4, 2010 Table of Contents I. INTRODUCTION 1 II. AGENCY DISCUSSIONS 3 III. EXISTING CONDITIONS 4 A. Existing Road Network 4 B. Existing Traffic Conditions 5 C. Surrounding Land Uses 8 IV. FUTURE TRAFFIC CONDITIONS 9 A. Site Assumptions 9 B. Site Traffic 9 C. Trip Distribution 12 D. Background Traffic 12 E. Future Total Traffic 19 F. Future Roadway System 19 V. TRAFFIC IMPACTS 19 A. Auxiliary Lanes and Traffic Controls 22 B. Future Operating Conditions (with Cerise) 22 VI. DESIGN ISSUES 25 A. Auxiliary Lane Assessment 25 B. Radii 26 C. Crystal Springs Road Approach to SH 82 26 D. Median Improvements 27 E. Signage 27 F. Sight Distance 27 VII. CONCLUSIONS 28 List of Figures Figure 1 Vicinity Map 2 Figure 2 Current Roadway Geometry 6 Figure 3 Current Traffic 7 Figure 4 Concept Plan 10 Figure 5 Site Traffic Distribution 13 Figure 6 Site Traffic - Vehicles 14 Figure 7 Site Traffic — Passenger Car Equivalents 15 Figure 8 Short -Term BackgroundTraffic 17 Figure 9 Long -Term BackgroundTraffic 18 Figure 10 Short -Term Total Traffic 20 Figure 11 Long -Term Total Traffic 21 Figure 12 Short -Term Roadway Geometry 23 I. INTRODUCTION Lafarge West, Inc. (Lafarge) is proposing a mining and processing operation to re- place its current Powers operation in Garfield County, Colorado. The site will be located in the northeast corner of the State Highway 82 (SH 82) — Crystal Springs Road (CR 103) intersection just east of Carbondale. The new site is referred to as the Cerise site. It will replace the existing Powers site which is in the northwest corner of the same intersection. A vicinity map is presented in Figure 1. The Cerise site will open in 2012 and operate for 15 years. The Powers site will cease operations when the Cerise site becomes operational. This study contains the investigations and analyses typically contained in a full traffic study. Key steps undertaken as part of this study are defined below. • Obtain current traffic and roadway data in the immediate area of the site. • Evaluate current traffic operations to establish baseline conditions. • Determine site generated traffic volumes and distribute this traffic to the nearby street system. • Estimate roadway traffic volumes for future roadway conditions. • Evaluate traffic operations with the proposed operation fully functional un- der future conditions. • Identify areas of potential deficiencies. • Recommend measures to mitigate the impact of site generated traffic as appropriate. 0 2500' 5000' 10000' D TETRA TECH www.tetratech.com LAFARGE WEST, INC. Project No.: 133-23511-10003 1900 S. Sunset St., Suite 1-F Longmont, Co. 80501 PHONE: (303) 772-5282 FAX: (303) 772-7039 CERISE MINE VICINITY MAP Date: JUNE, 2010 Designed By: Copyright: Tetra Tech II. AGENCY DISCUSSIONS Garfield County and CDOT were contacted regarding the contents, assumptions, and methodologies used in this study. Mike Prehm, representing Garfield County, re- quested that investigations at the site access to Crystal Springs Road and the SH 82 — Crystal Springs Road intersections be conducted. He indicated that no other inves- tigations were needed from the County's perspective. Since the speed limit sign was missing, Mr. Prehm confirmed that the speed limit on Crystal Springs Road is 25 MPH. He also stated that the posted weight limits on Crystal Springs Road would not be problematic for the Cerise operation. Dan Roussin, CDOT Region 3 Permit Manager, was contacted and requested that the methodologies used in the traffic study be submitted for review by CDOT's engineer. Subsequent to this request, a converstation with Alisa Babler followed to determine the appropriate methodologies, assumptions and contents of the traffic study. This conversation was documented in an email dated June 28, 2010 which is included in Appendix A. Key items of agreement are stated below: 1. A Level 3 traffic impact study is appropriate for this use. 2. Define proposed use(s) on the existing Lafarge site (Powers) along the west side of Crystal Springs Road (CR 103) and the future status of existing access points to SH 82. 3. Quantify current traffic at the SH 82 — Crystal Springs Road intersection includ- ing conducting AM and PM peak hour traffic counts at this intersection. 4. Describe future uses and operations on the new Lafarge site (Cerise) located along the east side of CR 103. Direct site access will be provided by a drive- way to CR 103. 5. Cerise site traffic will be based on operator estimates using current activity at the Powers site plus asphalt operations. Asphalt traffic will be based on an es- timated batch plant capacity of 10 loads per hour. 6. Site traffic will be assigned equally to SH 82 in the east and west directions from CR 103. This is consistent with the distribution of site traffic at the Powers 3 site. Only local deliveries are expected to vary from this distribution. As re- quested, the potential for additional site access using other County roads to and from the east will be investigated. If deemed viable, supplemental access routes will be addressed in the traffic study. 7. Site traffic will be stated in vehicles and PCEs. PCEs will be used when eva- luating auxiliary lane warrants and design features. 8. Background traffic growth will based on the CDOT published 20 year growth factor for this section of SH 82. Background traffic growth on Crystal Springs Road will be based on future development expected to use this roadway. 9. If a traffic signal will be warranted in the future, an estimate of when the war- rant will be 80% satisfied will be provided. III. EXISTING CONDITIONS A. Existing Road Network The Cerise site is bordered on the west by Crystal Springs Road and on the south by SH 82. These roadways are under Garfield County and Colorado Department of Transportation (CDOT) control, respectively. Crystal Springs Road is a two lane roadway with one lane in each direction and serves a limited role in the north -south roadway system. It has a speed limit of 25 miles per hour with posted weight limits. Weight restrictions from the Cerise site to the south are 54,000 pounds for vehicles with three axles and 80,000 pounds for vehicles with five axles. Lower restrictions are posted north of Blue road. 4 SH 82 is the major east -west roadway serving this area. It has two lanes in each direction with auxiliary lanes at intersections and a posted speed limit of 65 miles per hour. The SH 82 — Crystal Springs Road intersection is located at approximately MP 13.5. This intersection functions as a "T" intersection since the south leg is a gated field access. This intersection is skewed to the northeast at an angle of about 105 degrees. All auxiliary lanes are currently available for traffic turning to and from the north with southbound traffic on Crystal Springs Road under stop sign control. There are no significant access points to SH 82 immediately east of Crystal Springs Road. West of Crystal Springs Road two access points exist to serve the Powers site. The first is a one-way northbound entrance located some 710 feet west of Crystal Springs Road with the second being a southbound one way exit located some 1240 feet west of Crystal Springs Road. There are no traffic signals within one mile of the Crystal Springs Road intersection. SH 82 is designated an EX roadway per CDOT's State Highway Access Code. Current roadway geometry and traffic controls are shown on Figure 2. B. Existing Traffic Conditions Traffic counts were collected as part of this study and extracted from other sources and agency publications. The SH 82 — Crystal Springs Road intersection and the existing driveways to the Powers site were counted during the morning highway peak hour (6:30 — 8:30 A.M.) and the afternoon highway peak hour (4:00 — 6:00 P.M.). Recent traffic is shown on Figure 3. The Powers driveways were counted for informa- tion only. Traffic using these driveways was observed to be 60% vehicles with three axles (mostly dump trucks), 15% vehicles with five axles and 25% passenger cars/pickups during the morning peak hour. During the afternoon peak hour, there were 80% passenger cars/pickups, 10% three axle vehicles and 10% five axle ve- hicles. Count sheets and other supporting documents are provided in Appendix B. 5 P: * With acceleration lane on SH 82 „Ai.* -* NOTE: The southbound Crystal Springs Road approach to SH 82 was observed functioning as a two lane approach. 6 . c Crystal Springs 114 SH 82 ► Figure 2 CURRENT ROADWAY GEOMETRY Cr) M N CO CO 1— 420/1008 w c R L c W j, 1:1!) j CO ▪ - c O L d 3 0 a I'--- 2/2 4— 420/1008 Crystal Springs 11— 13/19 1— 343/982 970/609 —110- 18/2 -- 958/609 958/609 LEGEND: AM/PM Peak Hour Daily 7 17,700 13/25 945/584 -* SH 82 Figure 3 CURRENT TRAFFIC I The SH 82 — Crystal Springs Road intersection is considered critical and was eva- luated using highway capacity procedures during morning and afternoon peak hours. For definition purposes, acceptable conditions are defined as overall level of service D'. The individual traffic movements may operate as low as level of service `E/F' for critical side street left turns at stop sign controlled intersections. These levels of service are considered normal along major roadways. Resultant levels of service for current conditions are shown below. CURRENT OPERATING CONDITIONS Intersection Control Movement/ Direction Level of Service AM Pk Hr. PM Pk Hr. Crystals Springs — SH 82 Stop EB L A B SBL B C SBR A B SB Approach B C OVERALL A A As shown, acceptable operations currently exist at the SH 82 - Crystal Springs Road intersection. Capacity worksheets are provided in Appendix C. C. Surrounding Land Uses The site is located just east of Carbondale. In the immediate area of the site, land uses are generally devoted to other mining and processing operations, agriculture and rural residential uses. 8 IV. FUTURE TRAFFIC CONDITIONS A. Site Assumptions Cerise will initiate operations in 2012 and will continue to operate for 15 years includ- ing reclamation. For evaluation purposes, short-term and long-term conditions were investigated. These time frames represent the opening year of the Cerise site and the final year of operation some 17 years in the future (2027), respectively. Processed materials will be used on-site at the concrete and/or asphalt batch plants or they will be sold. Routine operations will include the mining, processing, batching, sales, and distribution of materials. A single full movement access point to Crystal Springs Road, some 1,800 feet north of SH 82, will serve all site functions. The driveway location has been chosen based on the alignment of Crystal Springs Road at that location. A concept plan is provided on Figure 4. B. Site Traffic Site generated traffic was estimated using the operating strategies anticipated by Lafarge. The site will operate from 7:00 A.M. — 8:00 P.M., Monday through Saturday during the peak construction season. Heavy equipment will operate from 7:00 A.M. — 6:00 P.M. with emergencies handled whenever they occur. Up to 45 employees will work on-site. During the off-season, shorter operating times and significantly less traffic is expected. All activity revolves around mining, processing, and batching activities. The facility will operate seasonally for 6 — 7 months per year depending upon weather and construction demands. 9 lOSOS H031 V11131 NV1d 1d30NO0 3NIIN 3SI213D Aa OQ IIXI'AIXI Q II[3 ONIY1 ONI aS3M 3etrem1 1 Z wQ Z 5 f o_ UJ 0_ (/) w E U z UO U GARFIELD COUNTY, COLORADO NOTE: SITE FACILITIES WILL BE RELOCATED ON-SITE WITH FUTURE PHASES. ,3 wNoslaow Msxea1.0N00.110.2 Vn0ee00 3N3as11911-x3,31i4133NswV.00nl-Ilsca-eeMMZ.- walsosI(UMW Peak traffic activity is expected during the morning peak hour. At that time, em- ployees will be arriving at the site in preparation for the first run of the day. Typically, this one hour period represents 10 — 12% of the daily traffic with the balance of site traffic occurring uniformly over the rest of the day. Lafarge has provided an estimate of the maximum site traffic. This estimate assumes a vigorous economy and all site functions operating at or near capacity. Site traffic associated with this level of activity during the peak construction season is shown below. The estimate is based on peak historical activity at the Powers site with the addition of an asphalt batch plant. La- farge's letter documenting this estimate is provided in Appendix D. The following table presents an estimate of one-way trips generated by the Cerise site during the peak summer season with operations at or near capacity. It reflects condi- tions with all employees arriving at the site and all trucks departing the site during the morning peak hour. During the afternoon peak hour all trucks were assumed to return to the site with two-thirds of the employees leaving during the same hour. PEAK SITE TRIPS AM Pk Hr PM Pk Hr Daily In Out In Out Aggregate & Asphalt Trucks -- 30 22 -- 500 Concrete Trucks -- 9 7 -- 150 Import Trucks 1 1 1 1 10 Employees 45 -- -- 30 90 Miscellaneous 1 1 1 1 20 TOTAL 47 41 31 32 770 On a peak season day, the site will generate 88 morning peak hour trips, 63 afternoon peak hour trips and 770 daily trips. On an annualized traffic basis, an estimated 45 morning peak hour trips, 30 afternoon peak hour trips and 400 daily trips are expected from the Cerise site. On a passenger car equivalent (PCE) basis, up to 2,090 PCEs could occur on the peak day of the peak season. This estimate is conservative (high) since all trucks 11 were assumed to be 40 feet in length or longer. On an annualized average daily basis, some 1,050 PCEs are expected. The morning site peak hour will likely overlap the morning highway peak time with the afternoon site peak hour occurring at the end of the highway afternoon peak hour or later. C. Trip Distribution Trip distribution is a function of the origin and destination of site users and the availa- ble roadway system. In this case, all traffic except local deliveries will go south on Crystal Springs Road to access SH 82. At SH 82, traffic will turn east or west de- pending on the type and purpose of the trip. Site traffic distributions are shown on Figure 5 with resultant site traffic shown on Figure 6 and passenger car equivalent (PCEs) trips shown on Figure 7. Local deliveries will use the shortest safe and legal route; however, the number of local deliveries is expected to be negligible. Since the County street system is comprised of a number of discontinuous and circuitous gravel roads, Crystal Springs Road south of the site is the only viable access route. The distribution of material from this site is based upon historic trends, anticipated market areas and competing facilities. D. Background Traffic Background traffic was developed for the year 2012 and 2027. This represents the short-term and long-term time frames associated with the opening and closing of the Cerise site. 12 100% truck Neg employees a) 0 a E a) 0 0 0 Crystal Springs Site Driveway LEGEND: Neg = Negligible 50% trucks 50% trucks 67% employees 33% employees 13 SH 82 Figure 5 SITE TRAFFIC DISTRIBUTION Crystal Springs a) U a) > Q) a) N U 11 L L a) U O N + 11 Y Y U U 7 2 L L O O JN N A) c 15 cars = 15 vehicles 1 truck + 30 cars = 31 vehicles SH 82 AM LEGEND: Daily truck + 21 cars = 22 vehicles 400 Crystal Springs 15 trucks = 15 vehicles 15 trucks = 15 vehicles - 14 J 370 SH 82 PM Figure 6 PEAK SITE TRAFFIC (VEHICLES) J i Crystal Springs k--15PCE 33 PCE SH 82 AM Crystal Springs ili— 45 PCE 45 PCE PCE = Passenger Car Equivalents Daily 15 1/4 J SH 82 PM Figure 7 PEAK SITE TRAFFIC (PCEs) J Growth on Crystal Springs Road was estimated using known potential development as conveyed by Garfield County. In the short-term, the existing Powers site will shut down and be replaced by 40 single family homes. Access to these homes will be provided by the current Powers west access which will be converted to two-way operation. The east Powers access will be closed. This was confirmed in a conver- sation with Turnkey Consultants. This will not increase traffic using Crystal Springs Road. The Blue Gravel Pit plans internal modifications but no increases in site traffic or access changes based on the Traffic Evaluation letter prepared by Kimley-Horn Associates, dated April 6, 2010. Consequently, traffic will be stable on Crystal Springs Road in the short-term. In the long-term, restrictions at the full movement residential access to SH 82 were assumed when a connection to Crystal Springs Road becomes available. For evalua- tion purposes, traffic associated with these homes was assigned to Crystal Springs Road leading to and from SH 82. County staff was not aware of any other develop- ment in this area. Future traffic on SH 82 was estimated using the CDOT published 20 year growth factor of 1.6 for this section of SH 82. This equates to about 21/2% annual growth. Short- and long-term background traffic is shown on Figures 8 and 9, respectively. Applicable documentation is presented in Appendix E. 16 18,585 LEGEND: AM/PM Peak Hour N = Nominal Daily Crystal Springs 15/20 A— 415/1030 NOTE: Rounded to nearest 5 vehicles 15/25 _14 990/615 -* 17 SH 82 Figure 8 SHORT-TERM BACKGROUND TRAFFIC 26,900 LEGEND: AM/PM Peak Hour N = Nominal Daily Crystal Springs 20/35 A— 520/1495 NOTE: Rounded to nearest 5 vehicles 20/40 _14 1435/890 -* 18 SH 82 Figure 9 LONG-TERM BACKGROUND TRAFFIC E. Future Total Traffic Total traffic is the combination of site traffic and background traffic. It represents conditions with Cerise fully operational during the peak season. Normal highway peak hours were evaluated since these times represent the most severe traffic condi- tions. Site traffic was added to background traffic resulting in the short-term and long- term total traffic shown on Figures 10 and 11, respectively. F. Future Roadway System There are no planned roadway improvements to the roadways serving this area. Consequently, the current roadway geometry is expected to remain constant through the long-term. V. TRAFFIC IMPACTS To assess operating conditions with the Cerise site fully functional, capacity analyses were conducted at the SH 82 - Crystal Springs Road and site access - Crystal Springs Road intersections. Analyses were undertaken using short- and long-term total traffic. At the onset of these undertakings, traffic volumes were reviewed to determine if auxiliary lanes are warranted under CDOT State Highway Access Code criteria. Findings are indicated below. 19 Crystal Springs N/N 40/30 30/35 4— 415/1030 Site Driveway LEGEND: AM/PM Peak Hour N = Nominal NOTE: Rounded to nearest 5 vehicles 45/40 990/615 20 SH 82 Figure 10 SHORT-TERM TOTAL TRAFFIC 27,300 LEGEND: AM/PM Peak Hour N = Nominal Daily Crystal Springs N/N 40/30 in O in M O CD CD AJ cl 11— 35/50 1— 520/1495 Site Driveway NOTE: Rounded to nearest 5 vehicles 50/55 1435/890 -* 21 SH 82 Figure 11 LONG-TERM TOTAL TRAFFIC A. Auxiliary Lanes and Traffic Controls A review of short-term and long-term total traffic was conducted using CDOT Access Code requirements consistent with an EX access category. Left turn deceleration lanes are warranted at all accesses, except field approaches, where left turns are allowed. Right turn acceleration and deceleration lanes are warranted when there are or will be more than 10 turning vehicles per hour. A left turn acceleration lane may be required to benefit the safety and operation of the highway. Given that this lane currently exists, CDOT previously determined that this lane benefits the highway. It was concluded that all turn lanes are currently warranted and will remain warranted in the future. The design of these lanes will be discussed later in this report. Traffic at the site access intersection with Cerise fully functional was reviewed using CDOT Access Code criteria for a NR -B roadway. Given that total long-term traffic in the northbound lane on Crystal Springs Road will total 75 vehicles per hour or less, the northbound right turn lane at the site access is not needed. This is one-half of the 150 vehicles per hour threshold where the right turn deceleration lane can be dropped. The left turn deceleration lane will not be warranted since only negligible, if any, left turns from Crystal Springs Road into the site are expected. Acceleration lanes will not be warranted given the 25 MPH speed limit on Crystal Springs Road. Consequently, it was determined that auxiliary lanes will not be warranted at the site access to Crystal Springs Road. Short-term roadway geometry is presented on Figure 12. B. Future Operating Conditions (with Cerise) Capacity analyses were conducted using short- and long-term total traffic and the roadway geometry shown on Figure 12. To assess long-term operating conditions, the short-term roadway geometry was used. For definition purposes, acceptable conditions are defined as overall level of service D'. Critical traffic movements may 22 operate as low as level of service `E/F' for critical side street left turns at stop sign controlled intersections. Resultant levels -of -service are indicated below. SHORT-TERM OPERATING CONDITIONS WITH CERISE Intersection Control Movement/ Direction Level of Service AM Pk Hr. PM Pk Hr. Crystal Springs — Access Stop SB LT A A WB LR B A OVERALL A A Crystal Springs — SH 82 Stop EB L A B SBL C C SBR B B SB Approach C C OVERALL A A LONG-TERM OPERATING CONDITIONS WITH CERISE Intersection Control Movement/ Direction Level of Service AM Pk Hr. PM Pk Hr. Crystal Springs — Access Stop SB LT A A WB LR B A OVERALL A A Crystal Springs — SH 82 Stop EB L A C SBL D E SBR B C SB Approach C D OVERALL A A As indicated, all intersections will operate acceptably with peak season activity at the Cerise site. This is verified by the finding that level -of -service 'E' or better is expected for all traffic movements at all intersections. As noted earlier, site traffic used in these analyses assumes peak traffic at or near site capacity during the peak season. 24 Furthermore, no adjustments were made to reflect the availability of all auxiliary lanes. Consequently, conditions will likely be better than indicated. It is also important to note that the southbound left turn from Crystal Spring Road to eastbound SH 82 will operate at level of service 'E' during the long-term afternoon peak hour even though this traffic movement will not have any site related truck traffic. Consequently, condi- tions will be better than indicated most of the time. Capacity worksheets are pre- sented in Appendix F. VI. DESIGN ISSUES A. Auxiliary Lane Assessment Existing auxiliary lanes at the SH 82 — Crystal Springs Road intersection were re- viewed. This review determined that the existing lanes are built to the following approximate dimensions. LANE Lengths (feet) TAPER LANE* TOTAL WB Right Turn Deceleration 242' 285' 527' WB Right Turn Acceleration (1) (2) 1,220' 1,220' EB Left Turn Deceleration (1) (2) 1,220' 1,220' EB Left Turn Acceleration 174' 538' 712' * Includes storage where required (1) Assumes the east Powers access is closed and the west access serves a future residential development. The lane and taper ex- tend some 900 feet west of the west access. (2) This lane overlaps an adjacent auxiliary lane. Based on future long-term traffic demands, truck usage, and the posted speed limit, current CDOT State Highway Access Code design criteria would require the auxiliary lane designs indicated below: 25 LANE Length (feet) TAPER LANE* TOTAL WB Right Turn Deceleration 300' 800' 1,100' WB Right Turn Acceleration 300' 1,380' 1,680' EB Left Turn Deceleration 300' 900' (1) 1,200' EB Left Turn Acceleration 300' 1,380' 1,680' * Includes storage where required (1) Includes 100 feet of storage to serve 85 PCEs. Based on the above designs, the westbound right turn deceleration lane and the eastbound left turn acceleration lane need lengthening. Both lanes are located east of Crystal Springs Road and are not impacted by other access points. To the west of Crystal Springs Road, the current configuration with the right turn acceleration lane for Crystal Springs Road with the right turn deceleration lane at the future residential access overlapping is reasonable. There appears to be sufficient spacing between the future residential access and Crystal Springs Road to develop an eastbound left turn deceleration lane. With about 1,200 feet of separation, reasonable deceleration and storage can be provided for long-term total traffic. B. Radii Given anticipated truck traffic, it is desirable to provide a WB -67 turning radius for westbound SH 82 traffic turning north on Crystal Springs Road. This radius is also desirable for northbound Crystal Springs Road vehicles turning east into the site. C. Crystal Springs Road Approach to SH 82 Crystal Springs Road intersects SH 82 at about 75 degrees making for a severe right turn for westbound SH 82 traffic turning north onto Crystal Springs Road. With a WB - 67 turning radius, the intersection will become wider. This added width will allow 26 shifting the Crystal Springs Road centerline to the east thereby increasing the ap- proach width for southbound vehicles. This added width can provide sufficient room for two southbound vehicles (one turning left and one turning right) to wait side by side. Since long-term capacity analyses indicate a 95`" percentile vehicle queue of one left turning vehicle, only minimal storage is needed. Accordingly, radius im- provements will improve efficiency at the SH 82 - Crystal Springs Road intersection. D. Median Improvements The center median on SH 82 east of Crystal Springs Road will need minor improve- ments to better serve southbound to eastbound left turning vehicles. The gore of the island should be shifted east to facilitate easier truck turns into the eastbound left turn acceleration lane. E. Signage Truck signs (W8-6) should be placed on Crystal Springs Road in advance of the site access. Additionally, a stop sign (R1-1) should be placed on the site driveway ap- proach to Crystal Springs Road. F. Sight Distance Sight distance was found to be in excess of 1,500 feet in both directions at the Sh 52 — Crystal Springs Road intersection. This is more than adequate for the posted speed. The location of the site access to Crystal Springs Road was chosen to take advantage of the roadway alignment. About 400 feet of sight distance should be available. Sight distances should be field verified during design with the driveway being shifted as needed. If necessary, vegetation can be trimmed to improve sight distance. 27 A transportation site plan showing the above improvements is provided in the pocket following the conclusions. VII. CONCLUSIONS Based on the above documented analyses and investigations, the following can be concluded: • Current operating conditions are acceptable in the area of the Cerise site. • Cerise will generate 88 morning highway peak hour trips, 63 afternoon highway peak hour trips, and 770 trips per day at full site utilization. This traffic represents peak day, peak season activity with the Cerise site operating at or near capacity. These trips can be easily managed. • On an average annual day, an estimated 45 morning peak hour trips, 30 after- noon peak hour trips, and 400 daily trips are expected. • All warranted auxiliary lanes currently exist at the SH 82 — Crystal Springs Road intersection. The lanes to the east of Crystal Springs Road, however, are substandard based on current Access Code criteria. These lanes should be improved to meet current design standards. The lanes west of Crystal Springs Road are acceptable in their current form. • No auxiliary lanes will be warranted at the Crystal Springs Road intersection with the Cerise Access. • Turning radii at the SH 82 - Crystal Springs Road and the Crystal Springs Road — Cerise access intersections should have radii capable of serving a WB -67 design vehicle. • Truck warning signs should be installed on the Crystal Springs Road ap- proaches to the site access with a stop sign installed on the access approach to Crystal Springs Road. 28 • With the indicated improvements, acceptable operating levels of service will be achieved and maintained through the long-term for all traffic movements at all intersections. In summary, Lafarge's Cerise site will not adversely impact the area street system. This is verified by the finding that the identified roadway geometry will facilitate safe and efficient operating conditions for the foreseeable future. 29 WEATHERL 0 F E D C B A su_ V _.6265 6260_. 6255 _ ._...._. 6245-12 6240__ .. -622b- __ _ _6215- - - -6210- - -6205, f i I / \ / / / / / / / / \ \ \ _ -6195--_.._ EXISTING ACCEL LANE EXTENDS TO WEST_ 6100 -6135 /////,////!% /Hi/ EXISTING-POWE.RS_____._. MINE_ 6275 --- 5 — 6200 /'L./.4.iii.i///,//// .//ii/'/Ir,'i/112 / /P/1/ //r/.i//////'/,!! .//&/./j ri///:///.%/,/,. t// II II/1////11////, //////`/I/y/ //s/i f/, N I/ ilif 1./// %%l/// !/, //// i //, /,/ /I////I///r'I!/Ir'l/////r /;//1 61?o 6160 __ -----6300-. EXISTING ACCEL / DECEL - LANE EXTENDS TO WEST /1/ / LL w 0 J w CCI w w w z_ 0 x LEGEND: T TELEPHONE LINE [1] TELEPHONE BOX G GAS LINE EASEMENT LINE x x FENCE LINE .z:..3_ WETLANDS AREA ROAD CENTERLINE EXISTING TREES 6285- - - - EXISTING CONTOURS (5' INTERVALS) 6285 PROPOSED CONTOURS (5' INTERVALS) PROPOSED ASPHALT jBE USED FR %`�"r; LANES EQU RED BY EXISTING ASPHALT TTRAFF C ST ODY PROPOSED EDGE OF ROAD i 1 i 1 / J / / / 1 / i s' I / i PROPOSED CERISE MINE SITE PROPOSED ROAD MARKINGS PROPOSED CERISE MINE SITE 0 50' 100' SCALE IN FEET 0 -AO -POSED INTERSECTIOf\i 6225 INTERSECTION- (9 0 ca 0 WEST BOUND - R GHT TURN ACCEL LANE 3001 -TAPER, 1380' LANE TOTAL 1680' LENGTH _WEST BOUND RIGHT -TURN DECEL LANE- - 300' TAPER, 800!s LANE TOT -AL I 1-00' -LENGTH -411111.01011111111.1110 -5,256 e sup 111 ff EAST BOUND LEFT TURN DECEL LANE 300' TAPER, 900' LANE TOTAL 1200' LENGTH PROPOSED WIDENING - TO ACCOMMODATE NEW LANES maw ESMT 5445 P11 - EAST BOUND LEFT TURN ACCEL LANE 300' TAPER, 1380' LANE TOTAL 1680' LENGTH Lu Ems LO Ni - 0 Ss PRELIMINARY ONLY NOT FO CTION DESCRIPTION MAJOR IMPACT REVIEW SUBMITTA 1— o 0 0 0 Project No.: 133-23511-10003 Designed By: CDD Drawn By: LAW Checked By: CDD imis Bar Measures 1 inch Copyright: Tetra Tech APPENDIX A Eugene G. Coppola PE, PTOE Memo To: Alisa Babler From: Gene Coppola CC: Dan Roussin Date: June 28, 2010 Re: Lafarge's Cerise Mine, Northeast Corner of SH 82 & CR 103, Carbondale, CO The following items summarize our telephone discussion on the methodologies and assumptions for the Cerise Mine Traffic Impact Study. 1. A Level 3 traffic impact study is appropriate for this use. 2. Define proposed use(s) on the existing Lafarge site (Powers) along the west side of Crystal Springs Road (CR 103) and the future status of existing access points to SH 82. 3. Quantify current traffic at the SH 82 — Crystal Springs Road intersection including conducting AM and PM peak hour traffic counts at this intersection. 4. Describe future uses and operations on the new Lafarge site (Cerise) located along the east side of CR 103. Direct site access will be provided by a driveway to CR 103. 5. Cerise site traffic will be based on operator estimates using current activity at the Powers site plus asphalt operations. Asphalt traffic will be based on an estimated batch plant capacity of 10 loads per hour. 6. Site traffic will be assigned equally to SH 82 in the east and west directions from CR 103. This is consistent with the distribution of site traffic at the Powers site. Only local deliveries are expected to vary from this distribution. As requested, the potential for additional site access using other County roads to and from the east will be investigated. If deemed viable, supplemental access routes will be addressed in the traffic study. 7. Site traffic will be stated in vehicles and PCEs. PCEs will be used when evaluating auxiliary lane warrants and design features. 8. Background traffic growth will based on the CDOT published 20 year growth factor for this section of SH 82. Background traffic growth on Crystal Springs Road will be based on future development expected to use this roadway. 9. If a traffic signal will be warranted in the future, an estimate of when the warrant will be 80% satisfied will be provided. If your recollection differs from the above, please let me know as soon as possible. Thank you. APPENDIX B SH 82 & Crystal Springs Intersection: Observer: GC City: Carbondale, CO ca 0) .O. T as 0 EUGENE G. COPPOLA, P.E. P.O. Box 630027 Littleton, CO 80163 Phone: (303) 792-2450 R _ H..- mi. M M 0- T M O N M mr N M oo CO M K) LC) M CA CO M M CO M Total east/west T N CO 00 O CO O T CO LO 0 M N 1t) CO O CO N N CO O Lt) CO Westbound: oOCO 1-- -IY co CO co t+ r-- M O) et O) O "-^ T O ce — N O CO CO LC) CO N N. et _ T CO _ CO 00 CO J N N N CO CO (D V 1-- Eastbound: Total LO CO N L) N N CO CO N N a- N CO It) N O) CO N T N co LO N ce N LO CD M CT LC) N 00 c- CO N O N N O) N N L!) O N h- LO N CO CO N CO O N -A- t N J V' LC) �t t` a-- M M (O Total north/south M T O CO T 0) T (.0 T 4) T t-- T M T Southbound: 4. Q 1 M T O co T O) T co T Lf) T t.- T co T Q'r- T cor co 00 Corn CO Lo Lo LY) d 00 N O co N (No co h-• <.- J Co co CT 00 co)� ti CO V Northbound: Total co O co O co co co co ce CO O CO T CO O) Ln U) M 1- N LC) J CO LC) N CO CO 51 17- CO O 0 T 0 07:30 1 07:45 08:00 T tic; O M ic's O 4 CO O (4> O 00 O 0) M CT) CO CO O) 0 O O O O O) O 00 O7 M CIO M Nt !t co Co, CD CO N CNI Co) M 390 Nzt 406 1 O M 0) O) 'd' O T M CC) T L) a •ct CO CO CO O 257 N N CO 0) b' rt CO N. et O T CO CO N N N N N N N CO CO (D V 1-- CO 0) LC) 1� CO CO 6) CO LC) 6) N LO CD M CT LC) N N N N N N N N O 1� rt oo 1- O Lo O co CO N r LO N T T C) T T .t -- Lo Lo LY) d 00 N O co N (No co h-• <.- LC) - LC) CO CO CO LC) O) CO LC) CA t► O O M O T a- Ts. CO O CO T CO O) Ln CO M 1- N LC) CO LC) N CO CO CO a- ..1 - CD O O O O O O O O Ln O Ln O Lf) co 05:45 co T CO O T CO O O 'It O 4 O O O U) O it-; O O O N O) O 0) O (D V CO N O 1101. O O O O L 2 d 0 0) I SH 82 & Lafarge Exit Intersection: Observer: GC O M N EUGENE G. COPPOLA, P.E. P.O. Box 630027 Littleton, CO 80163 Phone: (303) 792-2450 City: Carbondale, CO (5 - a o N M CO N CO N CO Total east/west O O O O O O O O Westbound: O �O 1- O O O O O O O O W W J Eastbound: CID 0 I- O O O O O O O O re (1) J t !O O O L H O C N M NI. r) N M N M Southbound: co oi— N M moi' M N M N M ce ce T — N (V .- T T N J T N N T T N T ,- Northbound: CO (O 0 1 - O O O 'O O O O O Ce Ce U) J to C= H co c, O 00 Lo T 07:30 in C. O 08:00 ko T O 08:30 LCD NI- O N O N (D O 00 O O ti u - d N O N O O O O O O O O O O O O O N O N N N N N O T O T O O O O O O LO CD O O u, N N IMMIONNIN O If) ((i co O O O T O LL 0 C CD N I I -J SH 82 & Lafarge Entrance Intersection: Observer: GC O CD N Carbondale, CO EUGENE G. COPPOLA, P.E. P.O. Box 630027 Littleton, CO 80163 Phone: (303) 792-2450 O Q 1- M et O O et CO et CO .... w N W N O .7 ) et O O et c0 '� cO H R 0) Westbound: Total O O r O r 0 0 0 ce 0 0 D- O r- O O O U) J Eastbound: J Total M O M c0 et c0 re J M rt ,.t co ('7 CO 7' CO Total north/south O O O O O O O O Southbound: (0 C O O O O O O O O 1 - IX -J Northbound: 03 0 O O Cr O O O O O 1 - CC CC (/) J N = E- CA 07:00 in r h- O M t- 0) 4 R. O co 00 LO a- 00 Cr M co Lt) er CO H m o 0 0 0 0 0 0 N 0 N CO O ti 0 O O 00 M LL 0 Co N O N r r O N N O O O O O O O O O O O O O Cr O O O O O M et O et .et N O O N Ln 0 N O 1.01 O O O Lt) O 4 LL 0 ft - Page 1 of Traffic: friforiccriciacca for ifrighiiyay 082 naafi rietrimit Ref point ifs, Route Ref Point End Ref Point Start Point Description Annual Average Daily Traffic AADT Year AADT Derivation AADT Single Trucks AADT Comb. Trucks Percent Trucks 20 Year Factor Design Hour Vol (h, of AADT) Daily Vehicle Miles Traveled 082A 11.699 13.553 17,700 12009 Actual 530 300 4.70% 1.60 9 32,03 8/4/201( APPENDIX C Page 1 of TWO-WAY STOP CONTROL SUMMARY General Information Site Information Analyst GC Agency/Co. Date Performed Analysis Time Period 8/2010 PM PK HR Intersection SH82 - CRYSTAL SPRINGS Jurisdiction Analysis Year Project Description East/West Street: SH82 North/South Street: CRYSTAL SPRINGS Intersection Orientation: East-West Study Period (hrs): 0.25 Vehicle Volumes and Adjustments Major Street Movement Eastbound Westbound 1 L olume (veh/h) 13 Peak -hour factor, PHF 1.00 Hourly Flow Rate (veh/h) 13 Proportion of heavy vehicles, PHV 2 2 3 4 5 T R L T 945 0 0 343 1.00 1.00 1.00 1.00 945 0 0 343 6 R 13 1.00 13 0 Median type RT Channelized? Lanes Configuration Upstream Signal Minor Street Movement Two Way Left Turn Lane 0 1 2 0 0 2 L T T 0 1 R 0 0 Northbound Southbound 7 8 9 10 11 L T R L T olume (veh/h) Peak -hour factor, PHF Hourly Flow Rate (veh/h) Proportion of heavy vehicles, PHV Percent grade (%) Flared approach Storage RT Channelized? Lanes Configuration 0 0 0 32 0 1.00 1.00 1.00 1.00 1.00 0 0 0 32 0 12 R 29 1.00 29 0 0 0 2 0 2 0 0 N N 0 0 0 0 0 0 1 0 L 0 1 R Control Delay, Queue Length, Level of Service • pproach Movement Lane Configuration olume, v (vph) Capacity, cm (vph) v/c ratio EB WB Northbound Southbound 1 4 7 8 9 10 11 L L 13 32 1199 420 0.01 0.08 Queue length (95%) Control Delay (s/veh) LOS • pproach delay (s/veh) • pproach LOS NCS2000'M 0.03 0.25 8.0 14.3 A B 12 R 29 842 0.03 0.11 9.4 A 12.0 B Copyright r©. 2003 University of Florida, All Rights Reserved Version 4.l 8/2/201( Page 1 of TWO-WAY STOP CONTROL SUMMARY General Information Site Information Analyst GC Agency/Co. _ Date Performed 8/2/3810 Analysis Time Period AM PK HR Intersection SH82 - CRYSTAL SPRINGS Jurisdiction Analysis Year P Project Description East/West Street: SH82 North/South Street: CRYSTAL SPRINGS Intersection Orientation: East-West Study Period (hrs): 0.25 ehicle Volumes and Adjustments Major Street Movement Eastbound Westbound 1 2 3 4 5 L T R L T olume (veh/h) Peak -hour factor, PHF Hourly Flow Rate (veh/h) Proportion of heavy vehicles, PEN Median type RT Channelized? Lanes Configuration Upstream Signal Minor Street Movement 25 584 0 0 982 1.00 1.00 1.00 1.00 1.00 25 584 0 0 982 6 R 19 1.00 19 2 0 Two Way Left Turn Lane 0 1 2 0 0 2 L T T 0 1 R 0 0 Northbound Southbound 7 8 9 10 11 L T R L T olume (veh/h) Peak -hour factor, PHF Hourly Flow Rate (veh/h) Proportion of heavy vehicles, PHv 0 0 0 16 0 1.00 1.00 1.00 1.00 1.00 0 0 0 16 0 12 R 28 1.00 28 0 0 0 2 0 2 Percent grade (%) Flared approach Storage RT Channelized? Lanes Configuration 0 0 N N 0 0 0 0 0 0 1 0 L 0 1 R Control Delay, Queue Length, Level of Service pproach Movement EB WB Northbound Southbound 1 4 7 8 9 10 11 Lane Configuration L olume, v (vph) 25 Capacity, cm (vph) 687 v/c ratio 0.04 Queue length (95%) 0.11 Control Delay (s/veh) 10.4 LOS B L 16 252 0.06 0.20 20.3 C 12 R 28 523 0.05 0.17 12.3 B pproach delay (s/veh) 15.2 pproach LOS C HCS2000TM Copyright ® 2003 University of Florida, All Rights Reserved Version 4.1 8/2/201( Gene Coppola P.O. Box 260027 Littleton, CO 80163 303-792-2450 Project: Subject: By: Date: Page: of 0Wa i( �..✓l-k'ser-47 o S T I De --14-7 /4( t f/el" cies = Petal / vel (cJi < )o.o sec = A l0 -- IS Set 13 1 5 - Z SsC= C 25 -3S -Sec- = D 3S - So Sec. E > So sec = F Ek 1511 K cr -- 5 4 ?j 2. I. (.; et s til Sp✓'r 015 120a- Av14 ; ( 13)4 + 32x 14,3 + 2.9 x4.'f� 83lbZ 6,e„ sc6fre4 C�3 -1-0145 +32 13 ? S (25./40.4+ 20,3xtG 28) 929.z _ o,S6 s+ezluth &S+-SVy+' 82t t'{ +. LS r- r(o) _ i l05 ! (AD APPENDIX D LAFARGE AGGREGATES & CONCRETE August 2, 2010 Gene Coppola, PE P.O. Box 630027 Littleton, CO 80163 This letter is to establish our planned peak demand traffic totals for the Cerise Project. Below is a description of our planned peak demand truck traffic for the various activities planned for the site. These estimates are for our full capacity peak demands which are not expected during the full time of the operation. Lafarge's estimate of peak demand traffic at the Cerise site is provided below. The estimate reflects peak demand at the Powers site plus asphalt. Aggregate and Asphalt Trucks 250 per day Concrete Trucks 75 per day Import Trucks 5 per day Employees up to 45 per day Miscellaneous 10 per day The site will operate Monday _.. Saturday from 7:00 A.M. — 8:00 P.M. with heavy equipment operating from 7:00 AM -- 6:00 PM. Emergencies might occur outside these hours. Site peak hour will typically be 10 —12 % of daily traffic and will normally be the first run of the day. The remaining traffic will typically be spread evenly throughout the balance of the day. Site traffic will generally be evenly split east and west of Crystal Springs Road on SH 82. Local deliveries will follow the shortest legal haul route. Employee traffic is expected to favor the west in a 2/3 —113 split. If there are any questions feel free to contact me. Thank you for you consideration. Sincerely, Sean Frisch Land Manager, Lafarge West, Inc. Office: .303-657-4.3.36 Cell: 720-320-2451 LAFARGE WEST, INC. - Aggregate & Concrete 10170 Church Ranch Way, Suite 200, Westminster, Colorado 80021 Telephone: (303) 657-4000 Facsimile: (303) 657-4037 APPENDIX E STATE OF COLORADO DEPARTMENT OF TRANSPORTATION Region 3 Traffic Access/Utilities Permits 222 South 6"i Street, Room 100 Grand Junction, Colorado 81501 PH 970-683-6284 FAX 970-683-6290 AMENDMENT TO ACCESS PERMIT 307302 April 28, 2010 Crystal Ranch Corp Attn: Kimiko Powers 13114 Hwy 82 Carbondale, CO 81623 Dear Kimiko: RE: ACCESS PERMIT # 307302 I?Mkci,•..I •il Mawn, Mrt Per an email request dated April 5, 2010, Skip Hudson with Turnkey Consultants, requested that Access Permit # 307302 be modified. The first reason for this request is to work with the CDOT Glenwood Residency in providing a Deer. Guardfence and -gate -3 all through this area -of Hwy 82 -The second reason is to modify term and condition # 3 to allow both a gravel pit and batch plant. In summary: Permit 307302 shall add a new Term and Condition that shall be worded as such: "As part of the ongoing site use as gravel pit, the Permittee shall construct a CDOT approved deer fence gate at the access point. This gate shall remain closed during non -business hours. If the gate is removed at any point during the life of this permit, Permittee shall construct a CDOT approved deer guard at the access point, and shall connect it to the adjacent deer fence to create an enclosed system." Term and Condition #3 will be modified to read: This permit is for a Gravel Pit/Material Processing operation for 600 daily trips (PCE's), The Material Processing Operation (Asphalt Plant) portion is a temporary operation and will only be active for a maximum of 3 years. Once the gravel pit/mineral processing operation ceases and this parcel re -develops, this permit shall allow for 40 single family homes (40 DHV). The subject permit(s) is/are hereby amended in accordance with Section 2A(5) of the State Highway Access Code, which states: "When necessary to amend a permit, and the Permittee is agreeable and waives the right to an administrative hearing on the amendment, a letter detailing the amendment with reasons for the CC: Skip Hudson - Turnkey Consultants Gerald Hartert Alex KararnilStaff Access Page l oft amendment shall be prepared. The letter of amendment requires the approval of the issuing authority, the Department, and the Permittee." The subject permit(s)s are revised per your request. Please review and if you are in agreement sign below and return this letter of amendment to the Region 3 Access Permits office for final signature, Both parties will then be provided with a fully -executed copy. The undersigned agree to the permit amendment as described above. Permittee waives the right to an administrative hearing on the amendment. Permittee By (Print Name): Kimiko Powers Signature: , Colorado Department of Transportation (Issuing Authority) By (Print Name): Dan Roussin , Signature: ( AL „.„,j . • ,,.0 ' :,, „,,-_--- ... Title: CDOT R3 Permit Manager Date: '7 .1i' . ; . ' CC: Skip Hudson - Turnkey Consultants Gerald Hartert Alex KaramiiStaff Access Page 2 of 2 pr1111.1111Kimley-Horn and Associates, Inc. April 6, 2010 Suite 450 990 South Broadway Denver, Colorado Tom Veljic 80209 Garfield County 108 Eigth Street Glenwood Springs, CO 81601 Re: Blue Gravel Pit — Traffic Evaluation SH -82 and Blue Road/CR-103 Dear Mr. Veljic: It is understood that Western Slope Aggregate Inc. has requested a change in location of current excavations for the Blue gravel pit, located along the north side of SH -82 at the Blue Road/CR-103 intersection in Garfield County, Colorado. Although the proposal is to change location, the overall pit excavation area and access will remain the same. Western Slope Aggregate has identified that with the change in excavation location, the existing operations will be maintained. Please see attached letters from Western Slope Aggregate and Lewicki and Associates describing existing operations and proposed excavation areas. Therefore, based on this information and that the excavation area will remain under the CDOT Access Permit identified 110 acres for this same use, we believe that Blue gravel pit will be in compliance with the existing access permit. Based on the operations remaining the same for the existing Blue gravel pit, the amount of existing traffic generated by the gravel pit is not anticipated to change in the future due to the excavation location change. No increase in traffic volumes are anticipated along CR -104, CR -103, or SH -82 due to the Blue gravel pit excavation location change. Therefore, we believe a traffic impact study for a relocation of excavation area should not be needed or required. If you have any questions or need anything further, please feel free to call me at (303) 228-2304. Sincerely, KIMLEY-HORN AND ASSOCIATES, INC. .7? Curtis D. Rowe, P.E., OE Vice President ■ TEL 303 228 2300 FAX 303 446 8678 Tuesday, Aprii 20, 2010 4: 45— 5: 4,5 PM Wedge$dcy, April 21, 2010 '7. 45— 874.5 NTS 0961E0300C LT LEGEND • Study Arco Key Intersection XX(XX) AM(PM) Peck Hour Traffic Volumes BLUE GRAVEL PIT (EXISTING 2010 TRAFFIC VOLUMES Tuesdcy, 4,0 20, 2010 45C530 PM Weir:est:lay. Aprli 21, 2010 730-8:30 AM 1111111mley—Horn ishollig and Associotes, Inc Page 1 of Traffic Information for H h ay 082 From RefPoint 10 To R.efPc int 16 Route Ref Point End Ref PointTraffic Start Point Description Annual Average Daily AADT Year AADT Derivation AADT Single Trucks AADT Comb. Trucks Percent Trucks 20 Year Factor Design Hour Vol (%of AADT) Daily Vehicle Miles Traveled 082A 11.699 13.553 ON SH 82 E/O SH 133, CARBONDALE 17,700 2009 Actual 530 300 4.70% r 1.60 9 32,037 8/4/201( APPENDIX F Page 1 of TWO-WAY STOP CONTROL SUMMARY General Information Site Information Analyst GC Agency/Co. Jurisdiction Date Performed '1Z/2010 Analysis Time Period r4 A 4 PM PK HR Intersection - CRYSTAL SPRINGS Jurisdiction _SH82 Analysis Year EX®LTQ Project Description East/West Street: SH82 North/South Street: CRYSTAL SPRINGS Intersection Orientation: East-West Study Period (hrs): 0.25 Vehicle Volumes and Adjustments Major Street Movement Eastbound Westbound 1 2 3 4 5 L T R L T olume (veh/h) Peak -hour factor, PHF Hourly Flow Rate (veh/h) Proportion of heavy vehicles, Priv 45 990 0 0 415 1.00 1.00 1.00 1.00 1.00 45 990 0 0 415 6 R 30 1.00 30 5 0 Median type RT Channelized? Lanes Configuration Upstream Signal Minor Street Movement Two Way Left Turn Lane 0 1 2 0 0 2 L T T 0 1 R 0 0 Northbound Southbound 7 8 9 10 11 L T R L T olume (veh/h) Peak -hour factor, PHF Hourly Flow Rate (veh/h) Proportion of heavy vehicles, PHv 0 0 0 50 0 1.00 1.00 1.00 1.00 1.00 0 0 0 50 0 12 R 50 1.00 50 0 0 0 40 0 40 Percent grade (%) Flared approach Storage RT Channelized? Lanes Configuration 0 0 N N 0 0 0 0 0 0 1 0 L 0 1 R Control Delay, Queue Length, Level of Service pproach Movement EB 1 WB Northbound Southbound 4 7 8 9 10 11 Lane Configuration olume, v (vph) Capacity, cm (vph) v/c ratio L L 45 50 1091 289 0.04 0.17 Queue length (95%) Control Delay (s/veh) LOS pproach delay (s/veh) pproach LOS 0.13 0.61 8.4 20.0 A C 12 R 50 693 0.07 0.23 10.6 B 15.3 C HCS2000IM Copyright © 2003 University of Florida, All Rights Reserved Version 4.1 8/2/201( Page 1 of TWO-WAY STOP CONTROL SUMMARY General Information Site Information Analyst GC Agency/Co. Date Performed 8/2/2010 Analysis Time Period AMPV1pPK HR Intersection SH82 - CRYSTAL SPRINGS Jurisdiction Analysis Year Project Description EastNVest Street: SH82 North/South Street: CRYSTAL SPRINGS Intersection Orientation: East-West Study Period (hrs): 0.25 Vehicle Volumes and Adjustments Major Street Movement 1 Eastbound Westbound 2 3 4 5 L T R L T Volume (veh/h) Peak -hour factor, PHF Hourly Flow Rate (veh/h) Proportion of heavy vehicles, PHv 40 615 0 0 1030 1.00 1.00 1.00 1.00 1.00 40 615 0 0 1030 6 R 35 1.00 35 38 0 Median type RT Channelized? Lanes Configuration Upstream Signal Minor Street Movement Two Way Left Turn Lane 0 1 2 0 0 2 L T T 0 1 R 0 0 Northbound Southbound 7 8 9 10 11 L T R L T olume (veh/h) Peak -hour factor, PHF Hourly Flow Rate (veh/h) Proportion of heavy vehicles, PHv Percent grade (%) Flared approach Storage RT Channelized? Lanes Configuration 0 0 0 25 0 1.00 1.00 1.00 1.00 1.00 0 0 0 25 0 12 R 50 1.00 50 0 0 0 5 0 5 0 0 N N 0 0 0 0 0 0 1 0 L 0 1 R Control Delay, Queue Length, Level of Service • pproach Movement EB WB Northbound Southbound 1 4 7 8 9 10 11 Lane Configuration olume, v (vph) Capacity, cm (vph) v/c ratio L L 40 25 474 0.08 BR 226 0.11 Queue length (95%) Control Delay (s/veh) LOS • pproach delay (s/veh) • pproach LOS 0.28 0.37 13.3 22.9 B C 12 R 50 497 0.10 0.33 13.1 B 16.3 C f/CS2000TM Copyright © 2003 University of Florida, All Rights Reserved Version 4.1 8/2/201( Page 1 of TWO-WAY STOP CONTROL SUMMARY General Information Site Information nalyst GC gency/Co. Date Performed /2010 A nalysis Time Period �� 1' -I►i] Intersection CRYSTAL SPRINGS - SITE ACCESS Jurisdiction Analysis Year OL TOT Project Description East/West Street: SITE ACCESS North/South Street: CRYSTAL SPRINGS Intersection Orientation: North-South Study Period (hrs): 0.25 ehicle Volumes and Adjustments Major Street Northbound Southbound Movement 1 2 3 4 5 6 L T R L T R olume 0 30 45 0 60 0 Peak -Hour Factor, PHF 1.00 1.00 1.00 1.00 1.00 1.00 Hourly Flow Rate, HFR 0 30 45 0 60 0 Percent Heavy Vehicles 0 -- 3 -- -- Median Type Undivided RT Channelized 0 0 Lanes 0 1 0 0 1 0 Configuration TR LT Upstream Signal 0 0 Minor Street Westbound Eastbound Movement 7 8 9 10 11 12 L T R L T R olume 40 0 0 0 0 0 Peak -Hour Factor, PHF 1.00 1.00 1.00 1.00 1.00 1.00 Hourly Flow Rate, HFR 40 0 0 0 0 0 Percent Heavy Vehicles 100 0 0 0 0 0 Percent Grade (%) 0 0 Flared Approach N N Storage 0 0 RT Channelized 0 0 Lanes 0 0 0 0 0 0 Configuration LR Delay, Queue Length, and Level of Service pproach NB SB Westbound Eastbound Movement 1 4 7 8 9 10 11 12 Lane Configuration LT LR v (vph) 0 40 C (m) (vph) 1518 695 lc 0.00 0.06 95% queue length 0.00 0.18 Control Delay 7.4 10.5 _ LOS A B pproach Delay -- -- 10.5 A pproach LOS -- -- B Rights Reserved HCS2000TM Version 4.11 Copyright1D 2003 University of Florida, All Rights Reserved Version 4.1 8/2/201( Page 1 of TWO-WAY STOP CONTROL SUMMARY General Information Site Information Analyst GC gency/Co. Date Performed g/2�2,��,,p Analysis Time Period AM M) �� Intersection CRYSTAL SPRINGS - SITE ACCESS Jurisdiction Analysis Year LT OT Project Description East/West Street: SITE ACCESS North/South Street: CRYSTAL SPRINGS Intersection Orientation: North-South Study Period (hrs): 0.25 ehicle Volumes and Adjustments Major Street Northbound Southbound Movement 1 2 3 4 5 6 L T R L T R olume 0 45 30 0 45 0 Peak -Hour Factor, PHF 1.00 1.00 1.00 1.00 1.00 1.00 Hourly Flow Rate, HFR 0 45 30 0 45 0 Percent Heavy Vehicles 0 -- -- 0 -- -- Median Type Undivided RT Channelized 0 0 Lanes 0 1 0 0 1 0 Configuration TR LT Upstream Signal 0 0 Minor Street Westbound Eastbound Movement 7 8 9 10 11 12 L T R L T R olume 30 0 0 0 0 0 Peak -Hour Factor, PHF 1.00 1.00 1.00 1.00 1.00 1.00 Hourly Flow Rate, HFR 30 0 0 0 0 0 Percent Heavy Vehicles 5 0 0 0 0 0 Percent Grade (%) 0 0 Flared Approach N N Storage 0 0 RT Channelized 0 0 Lanes 0 0 0 0 0 0 Configuration LR Delay, Queue Length, and Level of Service A pproach NB SB Westbound Eastbound Movement 1 4 7 8 9 10 11 12 Lane Configuration LT LR v (vph) 0 30 C (m) (vph) 1537 886 v/c 0.00 0.03 95% queue length 0.00 0.11 Control Delay 7.3 9.2 LOS A A A pproach Delay -- -- 9.2 pproach LOS -- -- A Rights Reserved IICs2on0TM Version 4I f Copyright © 2003 University of Florida, All Rights Reserved Version 4.1 8/2/201( Gene Coppola Project: Date: P.O. Box 260027 Subject: Littleton, CO 80163 303-792-2450 By: Page: of O veea.1( 1vt 4c,s se -4zo �u L 134a-1 Pe!ay /) 4154 Vet, s = Dela-3 /Ve-tt.icii' <10.05ec. = A 10 -- 15 See. • 13 15 - 2-Ssv= C 25-3S-sec.. 7.-- 35 - So sec E SO se _ F kor4- T -wt Tg1( t+ Cr1S ivt,1 Seni5 Rd AM: (LIS x8,4* So xzo.o +$ox 0,0 45+qqo + 415+3 0 +- 50 t5o) iSgo 190g' - 1,2 5e6/t/4 PM • ( 4-0a(f3,3 +2SxZ2.9 + 5ox13,1) (4o t 4151- to30 +35 -t- 2.5 ++-so) 1159.5 I, o sec/vai Grt.15 W'pri oi 5 goal- S t kt ,4cGe/s 5 441 4 -ox to,S) 420 (30+45 *6°4-4° 1"l5 PM . ( See./V41 30)(q.2) _ _ A7(0 Page 1 of TWO-WAY STOP CONTROL SUMMARY General Information Site Information nalyst GC gency/Co. Date Performed ,210 0 A nalysis Time Period PM Intersection CRYSTAL SPRINGS - SITE ACCESS Jurisdiction Analysis Year ST 00 Project Description East/West Street: SITE ACCESS North/South Street: CRYSTAL SPRINGS Intersection Orientation: North-South Study Period (hrs): 0.25 ehicle Volumes and Adjustments Major Street Northbound Southbound Movement 1 2 3 4 5 6 L T R L T R olume 0 30 45 0 60 0 Peak -Hour Factor, PHF 1.00 1.00 1.00 1.00 1.00 1.00 Hourly Flow Rate, HFR 0 30 45 0 60 0 Percent Heavy Vehicles 0 -- -- 3 -- -- Median Type Undivided RT Channelized 0 0 Lanes 0 1 0 0 1 0 Configuration TR LT Upstream Signal 0 0 Minor Street Westbound Eastbound Movement 7 8 9 10 11 12 L T R L T R olume 40_ 0 0 0 0 0 Peak -Hour Factor, PHF 1.00 1.00 1.00 1.00 1.00 1.00 Hourly Flow Rate, HFR 40 0 0 0 0 0 Percent Heavy Vehicles 100 0 0 0 0 0 Percent Grade (%) 0 0 Flared Approach N N Storage 0 0 RT Channelized 0 0 Lanes 0 0 0 0 0 0 Configuration LR Delay, Queue Length, and Level of Service pproach NB SB Westbound Eastbound Movement 1 4 7 8 9 10 11 12 Lane Configuration LT LR v (vph) 0 40 C (m) (vph) 1518 695 vlc 0.00 0.06 95% queue length 0.00 0.18 Control Delay 7.4 10.5 LOS A B A pproach Delay -- -- 10.5 A pproach LOS -- -- B Rights Reserved HCS2000Tm Version 4.1 f Copyright Cel 2003 University of Florida, All Rights Reserved Version 4.1 8/2/201( Page 1 of TWO-WAY STOP CONTROL SUMMARY General Information Site Information • nalyst GC • gency/Co. Date Performed 872760 • nalysis Time Period AM Intersection CRYSTAL SPRINGS - SITE ACCESS Jurisdiction Analysis Year STTOT Project Description East/West Street: SITE ACCESS North/South Street: CRYSTAL SPRINGS Intersection Orientation: North-South Study Period (hrs): 0.25 ehicle Volumes and Adjustments Major Street Northbound Southbound Movement 1 2 3 4 5 6 L T R L T R olume 0 45 30 0 45 0 Peak -Hour Factor, PHF 1.00 1,00 1.00 1.00 1.00 1.00 Hourly Flow Rate, HFR 0 45 30 0 45 0 Percent Heavy Vehicles 0 -- -- 0 -- -- Median Type Undivided RT Channelized 0 0 Lanes 0 1 0 0 1 0 Configuration TR LT Upstream Signal 0 0 Minor Street Westbound Eastbound Movement 7 8 9 10 11 12 L T R L T R olume 30 0 0 0 0 0 Peak -Hour Factor, PHF 1.00 1.00 1.00 1.00 1.00 1.00 Hourly Flow Rate, HFR 30 0 0 0 0 0 Percent Heavy Vehicles 5 0 0 0 0 0 Percent Grade (%) 0 0 Hared Approach N N Storage 0 0 RT Channelized 0 0 Lanes 0 0 0 0 0 0 Configuration LR Delay, Queue Length, and Level of Service Approach NB SB Westbound Eastbound Movement 1 4 7 8 9 10 11 12 Lane Configuration LT LR v (vph) 0 30 C (m) (vph) 1537 886 v/c 0.00 0.03 95% queue length 0.00 0.11 _ Control Delay_ 7.3 9.2 LOS A A • pproach Delay -- -- 9.2 • pproach LOS -- -- A Rights Reserved HCS2000TM Version 4.lf Copyright Cel 2003 University of Florida, All Rights Reserved Version 4.1 8/2/201( Page 1 of TWO-WAY STOP CONTROL SUMMARY General Information Site Information Analyst GC Agency/Co. Date Performed 8/2/2010 Analysis Time Period M PK HR Intersection SH82 - CRYSTAL SPRINGS Jurisdiction Analysis Year S tral Project Description East/West Street: SH82 North/South Street: CRYSTAL SPRINGS Intersection Orientation: East-West Study Period (hrs): 0.25 Vehicle Volumes and Adjustments Major Street Movement 1 Eastbound Westbound 2 3 4 5 L T R L T olume (veh/h) Peak -hour factor, PHF Hourly Flow Rate (veh/h) Proportion of heavy vehicles, PHv 50 1435 0 0 495 1.00 1.00 1.00 1.00 1.00 50 1435 0 0 495 6 R 35 1.00 35 5 0 Median type RT Channelized? Lanes Configuration Upstream Signal Minor Street Movement Two Way Left Turn Lane 0 1 2 0 0 2 L T T 0 1 R 0 0 Northbound Southbound 7 8 9 10 L T R L olume (veh/h) Peak -hour factor, PHF Hourly Flow Rate (veh/h) Proportion of heavy vehicles, PHV Percent grade (%) Flared approach Storage RT Channelized? Lanes Configuration 0 0 0 60 1.00 1.00 1.00 1.00 0 0 0 60 11 12 T R 0 60 1.00 1.00 0 60 0 0 0 34 0 34 0 0 N N 0 0 0 0 0 0 1 0 L 0 1 R Control Delay, Queue Length, Level of Service pproach Movement EB WB Northbound Southbound 1 4 7 8 9 10 11 Lane Configuration olume, v (vph) Capacity, cm (vph) v/c ratio L L 50 60 1013 219 0,05 0.27 Queue length (95%) Control Delay (s/veh) LOS pproach delay (s/veh) pproach LOS 0.16 1.07 8.7 27.5 A D 12 R 60 663 0.09 0.30 11.0 B 19.2 C Il(. S2000TM Copyright 2003 University of Florida, All Rights Reserved Version 4. I 8/3/201( Page 1 of TWO-WAY STOP CONTROL SUMMARY General Information Site Information Analyst GC Agency/Co. Date Performed 8/2/2Q40 Analysis Time Period AM PK HR Intersection SH82 - CRYSTAL SPRINGS Jurisdiction Analysis Year S L Project Description East/West Street: SH82 North/South Street: CRYSTAL SPRINGS Intersection Orientation: East-West Study Period (hrs): 0.25 Vehicle Volumes and Adjustments Major Street Movement Eastbound Westbound 1 L olume (veh/h) 55 Peak -hour factor, PHF 1.00 Hourly Flow Rate (veh/h) 55 Proportion of heavy vehicles, Pm/ 30 2 3 4 5 T R L T 890 0 0 1495 1.00 1.00 1.00 1.00 890 0 0 1495 6 R 50 1.00 50 0 Median type RT Channelized? Lanes Configuration Upstream Signal Minor Street Movement Two Way Left Turn Lane 0 1 2 0 0 2 L T T 0 1 R 0 0 Northbound Southbound 7 8 9 10 11 L T R L T olume (veh/h) Peak -hour factor, PHF Hourly Flow Rate (veh/h) Proportion of heavy vehicles, PHV Percent grade (%) Flared approach Storage RT Channelized? Lanes Configuration 0 0 0 30 0 1.00 1.00 1.00 1.00 1.00 0 0 0 30 0 12 R 55 1.00 55 0 0 0 4 0 4 0 0 N N 0 0 0 0 0 0 1 0 L 0 1 R Control Delay, Queue Length, Level of Service pproach Movement EB 1 WB Northbound Southbound 4 7 8 9 10 11 Lane Configuration olume, v (vph) Capacity, cm (vph) v/c ratio L L 55 30 312 125 0.18 0.24 Queue length (95%) Control Delay (s/veh) LOS pproach delay (s/veh) pproach LOS 0.63 0.88 19.0 42.7 C E 12 R 55 351 0.16 0.55 17.2 C 26.2 D HCS2000 ' M Copyright 2003 University of Florida, All Rights Reserved Version 4.1 8/3/201( Gene Coppola P.O. Box 260027 Littleton, CO 80163 303-792-2450 Project: Subject: By: Date: Page: of Q ve.t i :To -iv/se-4-4-7olu S T3 -I -f De14--ti /i4f. 1t Veit tomes = T'e(ai /Vedic'(? 10.0 Sec- = A 10 - l 5 See L 13 15 - 2-Sst = 25 -3Sc = D 35 - So sec- E > SO Sec F Lei T€44 (044 (l r y s f wl S rt it s 124 514- A-114 N- A1't 5o x 17.1 +. 4,ox a7.5 + (06 xll,o) 2745 213 5 - h Sec./vat (10+1135 f415 -r35 -r 6otbo pi ( 55x1' + 3ox42.Z + 5sk 17.a) _ 3272 (554- via t 149 5 -e- So -+ ss +- 30 26 15 3 I e-4 Cr1 Steri 5frol 5 - A-GGf�i7r WI5xgo 4zo 304-4S+60-+-40) 115 P114 = (3ax k', 2) (4:.5 + 30+45r3o 15c, NATURAL HABITAT STATEMENT LAFARGE WEST, INC. - CERISE MINE LLAFARG E Garfield County, CO Garfield County Unified Land Use Resolution Article IV Section 4-502 Description of Submittal Requirements D. Land Suitability Analyses -11. Natural Habitat E. Impact Analysis - 8. Environmental Effects - c. Environmental Resources Prepared by: Buys & Associates, Inc. 300 E. Mineral Ave., Suite 10 Littleton, CO 80122 303-781-8211 www.buysandassociates.com August 5, 2010 1.0 INTRODUCTION Lafarge, West Inc. (Lafarge) is proposing to mine gravel on the southern 65.5 acres (Permit Area) of a 97.8 -acre parcel owned by Clifford Cerise Ranch CO, LLP (Cerise Parcel) and located at the northeast corner of Highway 82 and Crystal Springs Road. The new mine site is zoned rural and is used for agriculture. Lafarge's Powers pit is to the west of the proposed new mine. Mining at the existing site will be completed prior to the start of mining operations at the Cerise Mine site. The Cerise Mine is planned to operate for 15 years and will be developed in eight sequences. The purpose of the Natural Habitat Statement is to identify existing ecological conditions on the Cerise Parcel and to address the how activities associated within the Cerise Mine will affect these resources. Specifically, the Natural Habitat Statement will demonstrate how Lafarge will comply with the Garfield County Land Use Change Permit Application Sections 4-501 (F) Part 3.d (Site Plan - Significant On-site Features - Wetlands, Wildlife, and Vegetative Cover), Section 4-502 (D) Part 11 (Land Suitability Analysis - Natural Habitat), and Section 4-502 (E) Part 8.a and 8.c (Environmental Effects - Flora and Fauna and Environmental Resources). 2.0 Section 4-501 (F): Major Impact Review Submittal Materials Part 3.d: Site Plan - Significant On-site Features Wetlands, Wildlife, and Vegetative Cover Buys and Associates, Inc. (B&A) was retained to assess the current ecological conditions at the Cerise Parcel in Garfield County east of Carbondale, Colorado. Ecological habitat assessments were conducted by B&A biologists on June 7, 2010. The Cerise Parcel is located on approximately 97.8 acres within Section 25 and 26 of Township 7 South, Range 88 West (Figure 1). At the time of the survey, the majority of the Cerise Parcel was being used for hay production (i.e, alfalfa and orchard grass) (Figure 2). A narrow stretch of pinon pine and juniper was located along the western portion of the Cerise Parcel as well as in the southwest corner. Dry hill slopes with a canopy cover of grasses and sagebrush were located below the existing County Road 103 northwest of the property, and above the existing Highway 82 south of the property. The southern edge of the Cerise Parcel is directly adjacent to Highway 82 and Crystal Springs Creek meanders through western edge and empties into the Roaring Fork River just south of Highway 82. The creek is surrounded by a riparian corridor, which consists of a mature and young cottonwood canopy. Figure 3 displays photo point locations throughout the Cerise Parcel with the corresponding photos located in Appendix A. 2.1 Wetlands The Corps of Engineers uses three indicators when making wetland determinations: vegetation, soil, and hydrology. To be considered a wetland, all three indicators must be present. In order to provide a conservative estimation of the distribution and abundance of wetlands on the Cerise Parcel, a preliminary jurisdictional delineation (PJD) was performed on June 7, 2010 based on the presence/absence of wetland vegetation. To aid in this PJD, soil data was also examined to document the presence/absence of hydric soils. This approach allows wetland boundaries to be generally defined so that avoidance measures can be implemented during the planning process. The U.S. Department of Agriculture - Natural Resources Conservation Service (USDA-NRCS) has assigned hydric ratings to soil units in the Garfield County (USDA-NRCS 2008). Based on the USDA- NRCS data, the soil within the Cerise Parcel, including along Crystal Springs Creek, has a rating of Not Hydric. Soils with a Partially Hydric rating occur south of Highway 82, outside the Cerise Parcel. Although wetland species were documented in various areas throughout the property (i.e., Crystal Springs Creek, irrigation ditches, and ponding area), only Crystal Springs Creek exhibited a prevalence/dominance of wetland species (see ACE Arid West Region - Dominance Test and Prevalence Worksheet). Wetlands along Crystal Springs Creek exhibited the characteristics of fringed wetlands where wetland species border the creek edges spanning an average of about 10 feet from the centerline of the creek. The irrigation ditches, tail -water gathering drainages, and the water ponding area in the eastern portion of the Cerise Parcel, were not dominated by wetland species. Although cottonwoods and creeping buttercup were documented in these areas, non -wetland species including upland pasture grasses, dandelion, and narroleaf plantain dominated the area. 2.2 Wildlife As the majority of the Cerise Parcel has previously undergone disturbance from agricultural activities, habitats exhibit little vegetative diversity, few native species and overall, little resemblance to their optimal state. Native vegetation communities have been significantly diminished and seeded rangeland species and weeds have become the dominant species. Cultivated fields do provide potential habitat for a variety of wildlife species such as elk (Cervus elaphus), mule deer (Odocoileus hemionus), red fox (Vulpes vulpes), coyotes (Canis latrans), skunk (Mephitis mephitis), and a variety of songbirds and small mammals. All of these species are common along the Roaring Fork Valley. Small portions of the Cerise Parcel fall within the pinon pine -juniper habitat type (Mutel and Emerick 1992). According to Mutel and Emerick (1992), the pinon pine and juniper areas in Colorado provide habitat for the following common mammals: badger (Taxidea taxus), bobcat (Felis rufus), Colorado chipmunk (Tamias quadrivittatus), coyote (Canis latrans), mule deer (Odocoileus hemionu), elk (Cervus elaphus), gray fox (Urocyon cinereoargenteus), black -tailed jackrabbit (Lepus californicus), mountain lion (Felis concolor), canyon mouse (Peromyscus crinitus), porcupine (Erethizon dorsatum), ringtail (Bassariscus astutus), stripped skunk (Mephitis mephitis), rock squirrel (Spermophilus variegatus), bushy -tailed woodrat (Neotoma cinerea), and Mexican woodrat (Neotoma mexicana). A large variety of migratory birds utilize these habitats, they include: mountain bluebird (Sialia currucoides), bushtit (Psaltriparus minimus), mountain chickadee (Parus gambeli), mourning dove (Zenaida macroura), golden eagle (Aquila chrysaetos), prairie falcon (Falco mexicanus), blue -gray gnatcatcher (Polioptila caerulea), red-tailed hawk (Buteo jamaicensis), pinon jay (Gymnorhinus cyanochephalus), Steller's jay (Cyanocitta stelleri), America kestrel (Falco sparverius), black -billed magpie (Pica pica), great horned owl (Bubo viginianus), common poorwill (Phalaenoptilus nuttallii), chipping sparrow (Spizella passerina), lark (Chondestes grammacus), plain titmouse (Parus inornatus), canyon towhee (Pipilo fuscus), and wild turkey (Meleagrisgallopavo). Reptiles and amphibians that utilize these habitats include: collard lizard (Crotaphytus collaris), eastern fence lizard (Sceloporus undulatus), northern side -blotched lizard (uta stansburiana), northern tree lizard (urosaurus ornatus), sagebrush lizard (Sceloporus graciosus), short -horned lizard (Phrynosoma douglassii), and western rattlesnake (Crotalus viridis). A general wildlife survey of the Cerise Parcel was conducted on June 7, 2009. This survey included a raptor nest inventory of all potential nesting habitat within 1/2 mile of the Cerise Parcel. No raptor nests were observed during the survey; however, access to the south of Highway 82 was limited due to private land. A strip of cottonwood tress is present between the Roaring Fork River and Highway 82, this area was glassed using binoculars but no nests were observed. According to the CDOW, an inactive bald eagle nest has been identified along the Roaring Fork River; however, it is greater than 1/z mile from the Cerise Parcel. Table 1 provides the wildlife species observed during the survey. Table 1. Wildlife Species Observed During the Survey (June 7, 2010 Common Name Scientific Name Status Birds American Robin Turdus migratorius Not listed Black -billed Magpie Pica pica Not listed Dark -eyed Junco Junco hyemalis Not listed European Starling Sturnus vulgaris CDOW Other Game Mallard Anas platyrhynchos Not listed Northern Flicker Colaptes auratus Not listed Red-tailed Hawk Buteo jamaicensis Not listed Red -winged Blackbird Agelaius phoeniceus Not listed Common Raven Corvus corax Not listed Western Meadowlark Sturnella neglecta Not listed Mammals Yellow -bellied Marmot Marmotafaviventris CDOW Small Game Mammal Reptiles Common Garter Snake Thamnophis sirtalis Not listed Presence and Estimated Population of Special Status Wildlife Species Based upon existing habitats on the Cerise Parcel, four Federally or State -listed species have the potential to occur in the area, bald eagle, whooping crane, Townsend's big -eared bat, and midget faded rattlesnake; plus one BLM species of special concern, Barrow's goldeneye. Although potential habitats for these species may exist, these species have a low probability of occurrence. The bald eagle (Haliaeetus leucocephalus) was federally de -listed on July 9, 2007. Their populations will continue to be closely monitored and managed by the Colorado Division of Wildlife as a State threatened species. The U.S. Fish and Wildlife Service will also monitor their populations under their authority through the Bald and Golden Eagle Protection Act and Migratory Bird Treaty Act. According to CDOW, the Roaring Fork River corridor is mapped as bald eagle foraging area and bald eagles have been observed in the area. The Colorado Natural Heritage Program (CNHP) has accounts of bald eagle in the general area of Section 26 of T7S, R98W, and the CDOW has confirmed identification of an inactive nest along the Roaring Fork River. This location was determined to be greater than 1/2 -mile from the Cerise Parcel, and no bald eagles were observed in or adjacent to the area during the June survey. The whooping crane (Grus americana), a federal and State endangered species, is a rare migrant to western valleys. Most records of sightings have occurred in Delta, Mesa, and Gunnison counties. There is a low potential for the species to occur on the Cerise Parcel. The Barrow's goldeneye (Bucephala islandica) is a BLM species of special concern. According to the report generated by the CNHP, Barrow's goldeneye was observed in Section 33, Township 7 South, Range 87, on December 16, 2000. This section is along the Roaring Fork River and is approximately 3 miles from the Cerise Parcel. Habitat for this species is not present on the Cerise Parcel and there is low potential for its occurrence. The Townsend's big eared bat (Plecotus townsendii) is a State endangered species. The bat is a western species occupying semidesert shrublands, pinon-juniper woodlands, and open montane forests. One sub -species, Plecotus townsendii pallescens, occurs over most of the western two-thirds of the state and extreme southeastern Colorado to elevations of about 9,500 ft. Although roosting habitat is limited the Cerise Parcel does support potential foraging habitats. There is a low potential for the species to occur in the area. The midget -faded rattlesnake (Crotalus viridis concolor) is a State Endangered species. The snake inhabits grassland and shrublands throughout western Colorado. Agriculture areas within the Cerise Parcel may provide habitat for the species, however agricultural activities have likely deterred routine use. There is a low potential for the species to occur on the Cerise Parcel. 2.3 Vegetation Cover At the time of the survey, the majority of the Cerise Parcel consisted of alfalfa and pasture grass (mainly orchard grass) that was being harvested for hay production (Figure 2). Several irrigation ditches crossed the property and were being used to bring irrigation water to the existing fields. Houses and other residential structures were located on the northern portion of the property. Dry hill slopes with a canopy cover of grasses and sagebrush were located below the existing County Road 103 northwest of the property, and above the existing Highway 82 south of the property. Crystal Springs Creek bordered the northwest side of the property. Cottonwood trees were located in several locations on the property, but were primarily noted in close association with Crystal Springs Creek. Wetland areas were only present only in close association with Crystal Springs Creek and were consistent with "fringed wetlands" where wetland vegetation only occurs immediately adjacent to the stream channel (i.e., approximately 10 feet from stream centerline). A small area of water ponding is located on the east side of the property, and is supplied by irrigation tail -water. This ponding area did not qualify as a wetland. Vegetation data was collected in the Project Area. Table 2 list the vegetation species observed during the survey (June 7, 2010). Table 2. Vegetation Species Observed During the Survey (June 7, 2010). Family Scientific Name Common Name Weed) (Y/N) Anacardiaceae Rhus trilobata Skunkbush sumac Apiaceae Heracleum maximum Common parsnip Asclepiadaceae Asclepias sp. Milkweed Asparagaceae Asparagus officinalis Asparagus Asteraceae Artemisia frigida Prairie sagewort Asteraceae Artemisia tridentata Sagebrush Asteraceae Chrysothamnus nauseosus Rabbitbrush Asteraceae Cirsium arvense Canada thistle yes Asteraceae Taraxacum officinale Dandelion Asteraceae Tragopogon dubius Yellow salsify Family Scientific Name Common Name Weed' (Y/N) Boraginaceae Cynoglossum officinale Houndstongue yes Brassicaceae Capsella bursa -pastoris Shepherds purse Brassicaceae Cardaria draba White Top yes Brassicaceae Sisymbrium altissimum Jimhill mustard Caprifoliaceae Symphoricarpos occidentalis Western snowberry Chenopodiaceae Chenopodium album Lambsquarter Chenopodiaceae Kochia scoparia Kochia yes Chenopodiaceae Salsola iberica Russian thistle yes Convolvulaceae Convolvulus arvensis Bindweed yes Fabaceae Medicago sativa Alfalfa Fabaceae Melilotus officinalis Yellow sweetclover Fabaceae Trifolium sp. Clover Gymnosperm Junipersu sp. Juniper Juncaceae Juncus sp. Rush Pinaceae Pinus edulis Pinyon pine Plantaginaceae Plantago lanceolata Narrowleaf plantain Poaceae Agropyron smithii Western wheatgrass Poaceae Bromus inermis Smooth brome yes Poaceae Bromus tectorum Cheatgrass yes Poaceae Dactylisglomerata Orchard grass Poaceae Poa sp. Poa grass Polygonaceae Rheum rhabarbarum Rhubarb Polygonaceae Rumex crispus Culry dock Ranunculaceae Clematis ligusticifolia Western white clematis Ranunculaceae Ranunculus repens Creeping buttercup Rosaceae Prunus virginiana Chokecherry Rosaceae Rosa arkansana Rose Salicaceae Populus angustifolia Narrowleaf cottonwood Salicaceae Populus fremontii Fremont cottonwood Salicaceae Salix exigua Coyote willow 1Source (CDOA 2010). Presence and Estimated Population of Special Status Plant Species On May 28, 2010, a data request was submitted to the Colorado Natural Heritage Program (CNHP) regarding any special status species (i.e., Federally -listed, State -listed, and agency species of concern), that have the potential to occur within five miles of the Cerise Parcel. This request resulted in the identification of occurrences of four species: Ute ladies -tresses, American yellow lady's-slipper, canyon bog orchid, and Harrington beardtongue. Although the CNHP data search identified the occurrence of four special status species within 5 miles of the Cerise Parcel, no suitable habitat for the American yellow lady's slipper, canyon bog orchid, and Harrington beardtongue occurs in the Cerise Parcel. Potential habitat for the Ute ladies -tresses is present along the riparian corridor of Crystal Springs Creek. This habitat was examined for the presence of Ute ladies -tresses on June 7, 2010. No individual plants were identified during this survey. Noxious Weeds To help weed managers prioritize their noxious weed control, the Colorado Noxious Weed Act (Act) classifies noxious weeds into three categories: List A, List B, and List C. List A species are rare noxious weeds in Colorado that require eradication under the Act. List B species are noxious weeds that have discreet populations in the state, and are slated for eradication, containment or suppression depending on their geographic location in the State. List C species are noxious weeds that are widespread and well established in the State. Control for List C species is recommended but not required by the Act. Several species of noxious weeds were documented within the Permit Area (see Figure 4). Although noxious weeds have been documented and mapped within the Permit Area, the survey was not designed to document all occurrences of noxious weeds within the boundary. As such, other locations of these weed species may be present: • Canada thistle (Cirsium arvense) State List B, Garfield County noxious weed • Downy brome (cheetgrass) (Bromus tectorum) List C • Field bindweed (Convolvulus arvensis) List C • Hoary cress/white top (Cardaria draba) State List B, Garfield County noxious weed • Hound's tongue (Cynoglossum officinale) State List B, Garfield County noxious weed As the majority of the Permit Area is under active cultivation, noxious weeds occurred mainly on the edges of the cultivated areas, and along the irrigation ditches in the area. The documented noxious weeds occurred at low densities throughout the landscape. Downy brome was documented in dry areas along existing roads, and on the dry hillside south of the Permit Area. Due to its abundance, this species was not mapped. 3.0 Section 4-502 (D): Land Suitability Analysis Part 11. Natural Habitat Existing Flora, Fauna, and Migration Routes 3.1 Flora See Section 2.3 above. 3.2 Fauna See Section 2.2 above. 3.3 Migration Routes According to Colorado Division of Wildlife's Natural Diversity Information Source GIS data, most of the wildlife species inhabiting the Cerise Parcel are year-round residents. Table 3 lists wildlife and range types within one mile of the Cerise Parcel (CDOW-NDIS 2009). Table 3. Wildlife and range tes within one mile of the Cerise Parcel (CDOW-NDIS 20091. Species Range Types Mammals Black Bear (Ursus americanus) Human Conflict Area Fall Concentration Overall Range Mule Deer (Odocoileus hemionus) Critical Winter Range Severe Winter Range Winter Concentration Area Winter Range Summer Range Highway Crossing Resident Population Overall Range Elk (Cervus elaphus) Severe Winter Range Winter Concentration Area Winter Range Highway Crossing Overall Range Mountain Lion (Felis concolor) Overall Range Birds Bald Eagle (Haliaeetus leucocephalus) Roost Sites Winter Forage Winter Range 4.0 Section 4-502 (E) Impact Analysis Part (8) Environmental Effects 4.1 Determination of the long term and short term effect on the flora and fauna 4.1.1 Flora As the majority of the Cerise Parcel has previously undergone disturbance from agricultural activities, habitats exhibit little vegetative diversity, few native species and overall, little resemblance to their optimal state. Native vegetation communities have been significantly diminished and seeded rangeland species and weeds have become the dominant species. Native vegetation does occur along Crystal Springs Creek, however mining activities would not occur in these areas. Based upon this existing condition of vegetative habitats in the Permit Area, mining activities are not likely to decrease the ecological value of the area. Noxious weeds currently documented in the area, as well other noxious weeds that may be brought in on earth moving equipment, would be managed according to management recommendations made by the Colorado Department of Agriculture's noxious weed program. In addition, final reclamation would provide more diverse and higher quality habitat than the current conditions. 4.1.2 Fauna Although the exact Plan of Operations including mitigation measures to protect wildlife species have not been finalized at this time, it is not likely that the proposed project would adversely affect wildlife species. Direct and indirect impacts to wildlife would likely depend on several factors: 1) sensitivity of the species to human activity; 2) seasonal and daily timing of construction and development activities; and 3) availability of similar habitats outside of the project area. A majority of the habitat on the Cerise Parcel has been altered by agricultural practices. Impacts associated with disturbance of this habitat is likely to have minor impacts to wildlife species as many of the species utilizing habitats on the property (e.g., rabbits, coyotes, skunks, raccoon, rodents) are habitat generalists, meaning they are not tightly restricted to specific habitat types, and higher quality habitats are located in close proximity to the proposed Permit Area. In addition, although some of the resident wildlife species utilizing the property may be temporarily displaced by the proposed mining activity, final reclamation would provide more diverse and higher quality habitat for wildlife currently utilizing the site. 4.2 Determination of the effect on designated environmental resources, including critical wildlife habitat 4.2.1 Wetlands The proposed access to the Cerise Mine site would cross Crystal Springs Creek. This crossing will include installation of a culvert and placement of dredged or fill material in the existing wetlands along Crystal Springs Creek. Based upon these potential impacts, Lafarge will contact the Army Corps of Engineers in order to obtain the necessary permits or jurisdictional determinations pursuant to Section 404 of the Clean Water prior to construction activities. 4.2.2 Flora As no Federally designated critical habitat for vegetative species have been identified in the Permit Area, the proposed Cerise project would have no effect on these areas. The CNHP has identified four Potential Conservation Areas (PCA) within five miles of the Project Area. Based on the CNHP records, the closest area occurs immediately south of the Permit Area along the Roaring Fork River. This PCA is currently fragmented from the Permit Area by Colorado State Highway 82, and mining activities are not proposed in this area. As such, the proposed project would not affect designation of the PCA. 4.2.3 Fauna As no Federally designated critical habitat for wildlife species has been identified in the Permit Area, the proposed Cerise project would have no affect on these areas. The Permit Area has been identified by the Colorado Division of Wildlife as Critical Winter Range for Mule Deer. Mining activities would not only decrease the available habitat for this species and but would also deter use of adjacent habitats due to noise and human activity. The CDOW has reviewed the potential impacts associated with these proposed activities, and have not expressed concerns over this loss of habitat (CDOW 2010). Project Location COLORADO Legend —1+ Permit Boundary CI Approximate Property Boundary — — Streams 0 300 600 1,200 Feet E Lafarge West, Inc. Cerise Mine Property Garfield County, Colorado Project Area August 2010 Figure 1 Buys & Associates, Inc. Project Location COLORADO Legend Lail Permit Boundary e2 Approximate Property Boundary —•••- Streams •—• Irrigation Ditch Landcover Types Cottonwood Area 255 510 _ - Dry Hillslopes Hay Field Pinyon -Juniper Area KPasture cs Residential C3Water Ponding Area 1,020 Feet Lafarge West, Inc. Cerise Mine Property Garfield County, Colorado Cover Types August 2010 Figure 2 Buys & Associates, Inc. Project Location COLORADO Legend L.? Permit Boundary Approximate Property Boundary O Photo Points ----- Streams 0 300 600 1,200 Feet E Lafarge West, Inc. Cerise Mine Property Garfield County, Colorado Photo Points August 2010 Figure 3 Buys & Associates, Inc. Project Location COLORADO Legend 41 Permit Boundary CI Approximate Property Boundary Weed Species r Houndstongue Field Bindweed K Whitetop ( Canada Thistle —•••- Streams 255 510 1,020 Feet Lafarge West, Inc. Cerise Mine Property Garfield County, Colorado Noxious Weeds August 2010 Figure 4 Buys & Associates, Inc. • oto •oint 1- Pastur- a) t 4- 0 z 3- 0 z uJ w N s Q cra xto 0 C CL) o CI. 0 Q 40 V) Photo point 2 — Irrigation ditch in hay field 4-, 0 z t 0