Loading...
HomeMy WebLinkAbout1.08 Blanco Hill_Drainage Plan_REV0_04-06-15EXISTING TWO -TRACK ROAD TO REMAIN AS -IS. SEE DETAIL ON SITE GRADING NOTES: PLANS PREPARED FOR: 0 Commnet 1562 NORTH PARK STREET CASTLE ROCK, CO 80109 PHONE: (720) 733-8049 1. CONSTRUCTION WILL BE SEQUENCED SO THAT GRADING OPERATIONS CAN BEGIN AND END AS QUICKLY AS POSSIBLE. 2. TEMPORARY SEEDING OR OTHER STABILIZATION, INCLUDING GRAVEL COVER ON ANY NEW ACCESS ROAD, WILL FOLLOW IMMEDIATELY AFTER GRADING. 3. THE JOB SUPERINTENDENT SHALL BE RESPONSIBLE FOR THE INSTALLATION AND MAINTENANCE OF ALL EROSION AND SEDIMENT CONTROL PRACTICES. 4. AFTER ACHIEVING ADEQUATE STABILIZATION, THE TEMPORARY E&S CONTROLS WILL BE CLEANED UP AND REMOVED. 5. ALL AREAS DISTURBED BY CONSTRUCTION SHALL BE STABILIZED WITH PERMANENT SEEDING IMMEDIATELY FOLLOWING FINISH GRADING. SEEDING SHALL BE DONE WITH PITKIN COUNTY MIX BY RIVENDELL DISTRIBUTION AND SOD FARM OR APPROVED EQUIVALENT. EROSION CONTROL BLANKETS WILL BE INSTALLED OVER FILL SLOPES WHICH HAVE BEEN BROUGHT TO FINAL GRADE AND HAVE BEEN SEEDED TO PROTECT THE SLOPES FROM RILL AND GULLY EROSION AND TO ALLOW SEED TO GERMINATE PROPERLY. MULCH (STRAW OR FIBER) WILL BE USED ON RELATIVELY FLAT AREAS. IN ALL SEEDING OPERATIONS, SEED, FERTILIZER AND LIME WILL BE APPLIED PRIOR TO MULCHING. RECLAMATION OF DISTURBED AREAS: SHEET C-2. PROPOSED 12"0 CULVERT. SEE DETAIL _ _ ON SHEET C-2. (FINAL LOCATION TO_ _ - - - BE DETERMINED BY LOW SPOT) _ - - - • - _ - 6. PROJECT INFORMATION: BLANCO HILL, CO 19294 HWY 13 RIFLE, CO 81650 (GARFIELD COUNTY) I '-y ♦------__♦\ -�\ I PROPOSED 15" WIDE DITCH ON � UPHILL SIDE OF PROPOSED ACCESS •I ROAD. SEE DETAIL ON SHEET C-2. • I PROPOSED 12' WIDE GRAVEL ACCESS ROAD. SEE DETAIL ON SHEET C-2. • • •t • I I I PLANS PREPARED BY: AV Al ift AMREVEGETATED, ` \; TOWER ENGINEERING PROFESSIONALS 5545 W. 56TH AVE., UNIT E ARVADA, CO 80002 OFFICE: (303) 566-9914 www.tepgroup.net PROPOSED TEMPORARY CONSTRUCTION EASEMENT (4,612 S.F.) PROPOSED 20' WIDE • I I I I II I I I I I I II I 1. AREAS DISTURBED DURING DEVELOPMENT SHALL BE RESTORED AS NATURAL APPEARING LANDFORMSMO THAT BLEND IN WITH ADJACENT UNDISTURBED SLOPES. 2. ABRUPT ANGULAR TRANSITIONS AND LINEAR PLACEMENT ON VISIBLE SLOPES SHALL BE AVOIDED. AREAS DISTURBED BY GRADING SHALL BE CONTOURED SO THEY CAN BE AND SHALL BE PLANTED AND SHALL SHALL HAVE VEGETATION ESTABLISHED AND GROWING WITHIN TWO (2) GROWING SEASONS. AREA SHALL BE PLANTED WITH SEED MIX WHICH IS COMPRISED OF 25% SLENDER WHEATGRASS (ELYMUS TRACHYCAULUS), 20% MOUNTAIN BROME (BROMUS CARINATUS), 20% WESTERN WHEATGRASS (PASCOPYRUM SMITHII), 20% SECAR BLUEBUNCH (PSUEDOREGNERIA SPICATA), 5% THICKSPIKE WHEATGRASS (ELYMUS LANCEOLATUS), 5% IDAHO FESCUE (FESTUCA IDAHOENSIS), 3% GREEN NEEDLE (NASSELLA VIRIDULA), AND 2% INDIAN RICEGRASS (ORYZOPSIS HYMENOIDES). 3. WITHIN SIX MONTHS OF SUBSTANTIAL COMPLETION OF SOIL DISTURBANCE ALL BRUSH, STUMPS AND OTHER DEBRIS SHALL BE REMOVED FROM THE SITE. GEOTEXTILE FABRIC NOTES: ACCESS EASEMENT PROPOSED SILT FENCE TO CONTINUE ALONG DOWNHILL SIDE OF PROPOSED ACCESS I I I I I I I I I I I I I I I ROAD. SEE DETAILS THIS SHEET. PROPOSED 10'x40' TEMPORARY CONSTRUCTION EASEMENT ' ' ' \ ' ' PROPOSED 40'x40' - COMMNET LEASE AREA -.II \ _ ' -- -- - ' I I I I * - t I I II I I III I it I II , \ I I II 1i I II I' I 1 II I I1 I I I I I I 1 II I 1 I \ I I 1 I U II ( 1 I 11I \ SEAL: Q� �Q►`� �� �00� W Jg*66 ��c16SA't> O GO Q� O �y 1. GEOTEXTILE HOG RINGS. 2. ENDS POST 3. THIS DEVICE OF CONCENTRATED FABRIC TO BE FASTENED SECURELY TO FENCE POST BY USE OF WIRE TIES OR 3 FASTENERS PER POST. OF INDIVIDUAL ROLLS OF GEOTEXTILE SHALL BE SECURELY FASTENED TO A COMMON OR OVERLAPPED 3' (MINIMUM). IS INTENDED TO CONTROL SHEET FLOW ON$2'Y.AORH4IIQR N 3RBE USED IN AREAS FLOW WITH A DRAINAGE AREA OF 8'M PROPOSED 10' WIDE I + UTILITY EASEMENT y II 11 I I I 1 1 q� \ Q PROVIDE 1" TUCK WITH ROPE IN THE HEM. FENCE POSTS SHALL BE ROUGH OR I HEREBY CERTIFY THAT THIS REPORT (PLAN) FOR THE PRELIMINARY SOIL AND EROSION CONTROL OF BLANCO HILL WAS PREPARED BY ME (OR UNDER MY DIRECT SUPERVISION) FOR THE OWNERS THEREOF AND MEET OR EXCEED THE CRITERIA IN THE GARFIELD COUNTY SIGN STANDARDS. ,� NICHOLAS M. CONSTANTINE, P.E. I I I I I 0 1 I I I 1 I i 1 I _ _ _ _ I T - - I I � SF I j 1 1 I I I N II If I) FINISHED 232'x2" (NOMINAL) OR 232'0 WOOD OR SCHEDULE 40 METAL PIPE. 5' MINIMUM LENGTH. DRIVEN 18" MINIMUM INTO GROUND. � 0 04-06-15 PRELIMINARY REV DATE ISSUED FOR: CONS 0 p� TQOCT/ � O N gRFq I�� li \ i i ���L� GEOTEXTILE (CLASS F) EMBED APPROX. 8" OF GEOTEXTILE BACKFILL TRENCH WITH EARTH. ,ri COMPACT THOROUGHLY. DRAWN BY: TJS CHECKED BY: NMC `�Q►� 0 so+ REGISTERED PROFESSIONAL g NV, •) ENGINEER STATE OF COLORADO 4�`OC �J NO. 45607 ���C Q� 0° I j I j 1 I I 1 J v cr ,,,, ° o N w SHEET TITLE: DRAINAGE PLAN ,\\ i TRENCH APPROXIMATELY 4" DEEP X 6" WIDE SHEET NUMBER: c -I REVISION: 0 DRAINAGE PLAN 030 60 SILT FENCE DETAILS SCALE: 1" = 30' SCALE IN FEET N.T.S. TEP #:56311.31471 EXISTING GRADE SEE SILT FENCE DETAILSCommnet \� \ \ \\ \ by __ 33 ` PROPOSED 20' WIDE � � )ACCESS EASEMENT �\ \ \\ -0_ _ \ J•• \ \ - -0, \ - - � f \ r �. • • �. -F}� . '-'-o-* +� \ - \ •i _� \ V \ p - ��yGG-''��•�•• o \ y � -..„7. \� _`:�.i� ��C,' ` \ *,L -. =Ri• \\ \ _ • + EXISTING TWO-TRACK ROAD • �'` TO REMAIN AS-IS. _ \ EXISTING SWING GATE c._ -0,4-0-.* � Z� '. \\ \ 0•.•.•� + \ EXISTING BARBED WIRE FENCE J �•�i=�• ����•�• `� \EXISTING GRAVEL SHOULDER 1. =��I• ^.p \\ \ •••••-••• ♦ , ,'�• •�Z• \ - I y*. ,� so �• ej•� �_ `\ \\ ,- • ` )meq' N \ ` AA =m PLANS PREPARED FOR: 0 1562 NORTH PARK STREET CASTLE ROCK, CO 80109 PHONE: (720) 733-8049 DITCH WIDTH SEE DITCH DETAILS (SEE BELOW) ON THIS SHEET ON SHEET C-1 PROJECT INFORMATION: BLANCO HILL, CO 19294 HWY 13 RIFLE, CO 81650 (GARFIELD COUNTY) FLOW• FLOW EXISTING ���A��S\:. 2%< 2�� GRADE 11 1 6" OF CRUSHER 6" OF SURGE 1_111_111_111_111_1,111-111-111-I111 I RUN SPREAD AND COMPACT--11-111-11-11-11-11i STONE 111_1111111 i r COMPACTED SUBGRADE PLANS PREPARED BY: � AV AV \1 :" - - - . 4 ..„ A I I P I I IP'''''"O TOWER ENGINEERING PROFESSIONALS 5545 W. 56TH AVE., UNIT E ARVADA, Co 80002 OFFICE: (303) 566-9914 www.tepgroup.net STANDARD ROAD SECTION SCALE: N.T.S. 1OF WIDTH DITCH 10" FLOW > 2% < HIGHWAY ACCESS DETAIL 0 30 60 SCALE: 1" = 30' SCALE IN FEET �� _ d_ = _' . �` `\ bye \ �\ \ `\ \ PROPOSED 20' WIDE \ \ \ \ ACCESS EASEMENT \ \ \ \\ EXISTING TWO-TRACK ROAD TO REMAIN AS-IS. aL f \\\\ \ \ \ `\oy \ \ \ O� \\!y V A G \\V A y A �.� v v —a1il'HHHHHHHHHHHHH'i --- \ ` \ _ _ oA 0.25 TON CLASS RIP-RAP SEAL: �� ��0� A �\o'�JQJG�`o� �j c,'� gq. MATERIAL (D50=1.8'). DRAINAGE DITCH DETAIL SCALE. N.T.S. GRAVEL DRIVE 838Sd8d3°\d3°o8 yn 9 c,, -n-,C`ccr Cn?, c �4� VAVAVVV\V�/j VVVAVA�/ \///\/Ajajam/\/\/� / /A X/Vv ao BACKFILL O 04-06-1 5 PRELIMINARY REV DATE ISSUED FOR: (STRUCTURAL FILL) II III - _ - a v� F(\'\ ���_`\\` y \ \\ ��\ \ ��� I GZ� `\ '���,� r, �o� `\ �\�'--,,� I I I DRAWN BY: TJS CHECKED BY: NMC 11E111 1E1 1 1_ BACKFILL. _111E11 11E111= 11III .1 1 SHEET TITLE: DRIVEWAY & DRAINAGE DITCH DETAILS — CULVERT BEDDING MATERIAL J bye L J `\ SHEET NUMBER: C-2 REVISION: 0 STANDARD CULVERT DETAIL ACCESS ROAD SITE PLAN 0_ 200 400 SCALE: N.T.S. SCALE: 1" = 200' SCALE IN FEET TEP #:5631 1.31471