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Home My WebLink AboutObservation of Drilled Pier Installation 07.27.2020Ktþrf å:#låffi;':,iå*"5û20 {iounly lì.oad i54 Gienv.'oo¿l Spri*¡zs. C0 8i601 phme: {9?0) 945-7<}88 Íàr: {97t}'} 945-8454 em ail : k agl enw o r: t) {àþttmar tzsa.*txn y:yy,kr:-:pgt!Ëa.ta¡lAn tmployee Öutncd Compony Olfire l-ocatioris: Ðenver (HQ). Parkcr Coiorado Springs, Fort {-'clli*s, ülenwood Springs. and Sunlmit Couniy, Colorado July 27,2020 Spring Born Inc. Attn: Charles Barr 45 Fort Mason San Francisco, Califomia 94123 charles(lùcharl*sbNt".net Project No.19-7-561,4 Subject: Observation of Drilled Pier Installation, Proposed Tech Building, 584 County Road 311, Garfield County, Colorado Dear Mr. Barr: As requested, a representative of Kumar & Associates observed the drilled pier installations at the subject site between June 22 and July 1, 2020 for suitability to support the building foundation. The findings of our observations are presented in this report. The observations were performed in accordance with our proposal for professional services with Spring Bom, Inc dated April 10, 2020. Kumar & Associates previously conducted a subsoil study for design of foundation at the subject site, report dated October 14,2019 and provided supplemental deep foundation design recommendations, report dated November 6, 2019,Prcject No. 19-7-561. The foundation of the proposed building was designed by SGM, lnc. to be supported on seventy- nine drilled piers of 18 to 48-inch diameter. The pier location plan is shown on Figure l. Our observations of the pier hole drilling are presented in the attached Drilled Shaft Observation Reports. The pier holes were observed to have penetrated the sandy clay overburden soil and the specified embedment depth into the underlying river gravel deposit. Based on the previous subsurface exploration and our current observations at the site, the installed piers are adequate to support the design pier load capacities using the recommended skin füction and bearing design values. The findings submitted in this letter are based on our observation of the pier hole drilling, our experience in the area and the previous subsurface exploration at the site. Variations in the subsurface conditions below the piers could increase the risk of foundation movement. If you have any questions or need further assistance, please call our office. Sincerely, Kumar & Associatcso lnc. Steven L. Pawlak, P Rev, by: DEH SLPlkac Attachments: Figure 1- Drilled Shaft Observation Reports, June 22 tluoughJuly 1,2020 Musick Built Ltd - Ian Musick ßW,vç:Sb.Qø*t),ø:p) SGM, Inc - Jerry Burgess Qçnyb&sXvxsxççsryx) SGM, Inc - Mindy Nastal Qruséyg¡@çøprsLqçq_) Fig. 1DRILLED PIER LOCATION PLANSPRING BORN GREENHOUSTS - TECH BUILDINGKumar & Assoc¡ates1*¡lilr;\i;\l;(;r*:--..i-*-.r:.1_.--t';r'..ti.'5r.I{ldî.\,llIr¡'irlt,i:i¡¡illjt:-,:i'1l'i 'r:;L..----jr,)- .*Ê-4nÈ-!I*_ *.-;æd--<'{læ---lli¿FF-F!15 0 15 30ÄPFROXIMATT SCALE-FËËÎ. ¿".,:r:¡!i4,9463,14.1it.!¡t335. à*re ,lsrr -h.... i¡lt.i¡ls2*,,. 1¡) '.tiirdr!3oii¡55S¡rg1 9-7-5€ 1.Á, lc-rt, "*"5020 County Road 154Glenwood Springs, CO 81601phone; (970) S45-7988fax: (970) 945-84.54email: kaglenwood@kumarusa.comwww,kumarusa.comSteven L. Pawlak, P.E.An Emdoyee qvns{t ComponyOfüce Locations: Denver (HQ), Parker, Colorado Springs, Fort Collins, Glenwood Springs, and Summit County, ColoradoProgress Report:Musick Built Ltd. - lan Musick (ianmusick@msn.com)SGM, lnc - Jerry Burgess (ierrvb(ôsgm-inc.com)SGM, lnc- Mindy Nastal (mindvn(@sqm-inc.com)cc:Shane MelloREPORT OF DRILLED SHAFT OBSERVATIONSDate: 06-22-20Page I of IProject: Proposed Greenhouse and Tech Building, 584 County Road 311, Garfield County" ColoradoRis Type: AF 125CommentsF-1E-1D-1C-l cavinoB-1 cavinsA3A5A6PlumbDirectionTop ofPierWaterDepthwhenConcretednlanlanlanlan/anlanlanlaJob No. l9-7-56{.4Driller: Triple A DrillinqTop ofPierElevation5454.65454.65454.6s454.65454.65454.65454.65454.6GroundElevation5454.55454.55454.55454.55454.55454.55454.55454.5VariationOver/Under(ft.)0+7"+1',2"+1'+9tt+1',1"+1'3"+1'ft.)lnGravef(ft.)3'0"s',7"+',3"3',1"3'9"4'1"4',3"4',0"TO: Spring Born, lnc.Attn: Charles Barr2000 Broadway, Apt 203San Francisco, CA 94115Contractor: RodGoDepth tlnOverburden(ft.)l5'10"14',3"l5'5"l5'0"l5'0"14',5"14',3"15'6"TotalHoleDepthl8'10"17',10"'t9'8"18'l'nl8'9"1g'6"1g'6"lg'6"PierDiameter(in.)2424242424303030PierNumber390391392393394384380376/kacField TechnicianReviewed By l(+rtmåmmlr;o*"5020 County Road 154Glenwood Springs, CO 81601phone: (97CI) 945-7988fax: (970) 945-8454email: kagtenwood@kumarusa"comwww.kumarusa.comSteven L. Pawlak. P.E.An Emdoyee Chrncd Csmpany)ffice Locations: Þenver (HQ), Parker, Colorado Springs, Fort Collins, Glenwood SprinEs, and Summit County, Coloradocc:Prcgress Report:Musick Built Ltd. - lan Musick (ianmusick@msn.coq)SGM, lnc - Jerry Burgess fierrv@liqm-inc,com)SGM, lnc - Mindy Nastal (min{yn(ôssrn-inc.coe)Shane MelloREPORT OF DRILLED SHAFT OBSERVATIONSTO: Spring Born, lnc.Attn: Gharles Barr2000 Broadway, Apt 203Job No. 19-7-561.4Date: 06-23-20Page I of2San FracA 941 15PGreenhouse and Tech Buildin584Road 311Garfield CouColoradoRio Type: AF 125CommentsA2AIA7A8A9At0AlrA12413414PlumbDirectionTop ofPierWaterDepthwhenConcretednlanlanlanlan/an/an/an/anlanlaDriller: ïriple A DrillinqTop ofPierElevation5454.65454.65454.65454.65454.65454.65454.65454.65454.65454.6GroundElevation5454.55454.55454.55454.55454.55454.55454.55454.55454.55454.5VariationOver/Under(ft.)+2'+1t*$rr*Qrr+l'5"+10"+9tt+2'1'o+4,,+1',1"Depth (ft.)lnGravel(ft.)5r0rt4'0"3',8"3r0rtA',5"3'10"3r9rt5tlttg',4" ',1"Contractor: RodGolnOverburden(ft.)15'2"16'0"1í',4"1'',11"l5'10"l5n5'nl5'3"14',6"1A',8"15',3"TotalHoleDepth20'2"20'0"19',0"18'11"20'3"l9'3"lgn0'n19'7"18'0"19'4"PierDiameter(in.)30303030303030303030PierNumber388395372368364360356352348344l*acField TechnicianReviewed By l(t tlûnnl & lssociateg lnc.ôGeoteúnical and Maierials Engineersand Ënvimnmenlal Sciefitists5020 CounhT Road 154Glenwood Springs, C0 81601phone: (970) 945-7988fax: (970) 945-8454email: kaglenwood@kumarusa.comwww"kumarusa.comSteven L. Pawlak, P.E.Ân Empûoyee ûrned CompsnyOffìce Locations: Denver (HQ), Parker, Coiorado Springs, Forl Collins, Glenwood Springs, and Summit County, ColoradoProgress Report:Musick Built Ltd. - lan Musick (ianmusick@msn.çoq)SGM, lnc - Jerry Burgess (iqrrvb(ôsqm-inc.com)SGM, lnc- Mindy Nastal (mindvn@sqm-inc.com)cc:/ka"Shane MelloREPORT OF DRILLED SHAFT OBSERVATIONSDate: 0ô23-20Page 2 of 2Project: Proposed Greenhouse and Tech Building, 584 County Road 311, Garfield Gounty, GoloradoRiq Type: AF 125Comments415416A.17PlumbDirectionTop ofPierWaterDepthwhenConcretednlanlan/aJob No. l9-7-561.4Driller: Triole A DrillinqTop ofPierElevation5454.65454.65454.6GroundElevation5454.55454.55454.5VariationOver/Under(fr.)+1',3"+1'11"+1',A',Deoth lft.)lnGravel(fr.){',3',4',11"4',4'TO: Spring Born, lnc.Attn: Gharles Barr2000 Broadway, Apt 203San Francisco, CA 94115Contractor: RodGolnOverburden(ft.)16'0"l5'6"16'0"TotalHoleDepth20'3"20'5"20'4"PierDiameter(in.)303030PierNumber338333328Field TechnicianReviewed By l(t tffi*,ffi'**Progress Report:Musick Built Ltd. - lan Musick (ianmusick@nì9"!.cqrq)SGM, lnc - JemT Burgess (iefryþ@9¡¡:j-0c.co¡¡)SGM, lnc - Mindy Nastal {m!¡dvn@sqm-inc.cg!n)An Employae Owrlgd GomponyOflice Locations: Denver (HQ), Parker, Colorado Springs, Fort Collins, Glenwood Springs, and Summit County, Colorado5020 County Road 154Glenwood Springs, CO 81601phone: (97CI) 945-7988fax: (970) 945-8454email: kaglenwood@kumarusa.comwww.kumarusa.comSteven L. Pawlak. P.E.cc:Shane MelloREPORT OF DRILLED SHAFT OBSERVATIONSTO: Spring Born, lnc.Attn: Charles Barr2000 Broadway, Apt 203Job No. 19-7-561.ADate: 06-24-20Page I of2San FrancA 94115Greenhouse and Tech Buildi584Road 311Garfield CouGoloradoRiq Type: AF 125CommentsG5G6G7G8G9Gt0GrlG12Gr3G14PlumbDirectionTop ofPierWaterDepthwhenConcretednlanlanlan/anlanlanlanlanlanlaDriller: Triple A DrillinqTop ofPierElevation5454.65454.65454.65454.65454.65454,65454.65454.65454.65454.6GroundElevation5454.55454.55454.55454.55454,55454.55454.55454.55454.55454.5VariationOver/Under(ft.)+lt+10"+l'5"+1',5"+1'3"+1'6'o+10"+11"+8tt+6"Ðepth (ft.)lnGravel(fr.){',O',3'10"A',5"A',5"A',3',4',6"3'10"3',11"3',8"3r6rtContractor: RodGolnOverburden(ft.)l6'0'l6'0"l5'8'l6'6"16',3"16',7u16'2"l5'6"l5n0'n15r5"TotalHoleDepthzo',0"l9'10"2ø'1"20'11"20'6"21',1"20'0"1915"18',9n'18',11"PierDiameter(in.)30303030303030303030PierNumber377373369365361357353349345339/kacField TechnicianReviewed By lGrtiffii,ffiffd*'."Progress Report:Musick Built Ltd. - lan Musick {ianmusick@milt,cqn)SGM, lnc - Jerry Burgess (ieryþ@sm-!!S.con)SGM, lnc - Mindy Nastal (fnindyn@sqrn-inc.cgft)An Emdoyãe ãrnsdGomponyOffice Locations: Denver (l-{Q), Parker, Colorado Springs, Fort Collins, Glenwood Springs, and Summit CounÇ, Colorado5020 County Road 154Glenwood Springs, CO 816û1phone: (970) S45-7S88fax: (970) 945-8454email: kaglenwood@kumarusa.comwww.kumarusa,comcc:Shane MelloREPORT OF DRILLED SHAFT OBSERVAT¡ONSTO: Spring Born, lnc.Attn: Charles Barr2000 Broadway, Apt 203Job No. 19-7-561.4Date: 06-24-20Page 2 of 2San FracA 941 t5ect:Greenhouse and Tech Buildin584Road 311Garfield CouColoradoRiq Type: AF 125CommentsGr5Gt6G17PlumbDirectionTop ofPierWaterDepthwhenConcretednlanlanlaDriller:Triple A DrillingTop ofPierElevation5454.65454.65454.6GroundElevation5454.55454.55454.5VariationOver/Under(fr.)*lr5rt+1'7"+lr3rtDepth (ft.)lnGravel(ft.)4',5"4t7u4',3"Contractor: RodGolnOverburden(ft.)l6'5"16',2u16',7"TotalHoleDepth24',10"20'9"20'10"PierDiameter(in.)303030PierNumber377373369/kacField TechnicianSteven L.P.E lffummmkliü**5020 County Road 154Glenwood Springs, CO 81601phone: (970) 945-7988fax: (970) 945-8454email : kaglenwood@kumarusa.comwww.kumarusa.comSteven L. Pawlak, P.E.An EmÉsyoå Orrn€d ComponyOffìce l-ocations: Denver {HQ), Parket Coiorado Springs, Fort Collins, Glenwood Springs, and Summit County, ColoradoProgress Report:Musick Built Ltd. - lan Musick (ianmusick@rnsn,co¡ldSGM, Inc - Jerry Burgess (ierrvb(ôsqm-inc,cop)SGM, lnc - Mindy Nastal (mindvn@sqflÞinc.cory)cc:luacShane MelloREPORT OF DR¡LLED SHAFT OBSERVATIONSDate: 06-25-20Page I of2Project Proposed Greenhouse and Tech Building, 584 County Road 311, Garfield Gount, ColoradoRiq Type: AF 125Commentsc2c3E2E3E5E6Ê7E8E9Er0PlumbDirectionTop ofPierWaterDepthwhenConcretednlan/anlan/an/anlanlanlanlan/aJob No. 19-7-561.4Driller: Triple A DrillinqTop ofPierElevation5454.65454.65454.65454.65454.65454.65454.65454.65454.65454.6GroundElevation5454.55454.55454,55454.55454.55454.55454.55454.55454.55454.sVariationOver/Under(ft.)+lt9tt+11"+6tt+3tt+7"+1'3"+1tott+l0tt+11"+3"lnGravel(ft.)4',9uï',11"3'6"3',3"3',7u4'3u4',O"3',10"3',11"3t3rtTO: Spring Born, lnc.Attn: Charles Barr2000 Broadway, Apt 203San Francisco, CA 94115Contractor: RodColnOverburden(ft.)15',4"15'0"l5'6"16',4"l5'10'1s',5"1í',2"16'6'16'6"l5'8"TotalHoleDepth20'1"18'1',1"l9'0"19',7"19'5"19'8"19',2"20'4"20'5"18'11uPierDiameter(¡n.)36483648363636363636PierNumber387383386382378374374366362358Field TechnicianReviewed By Kilffiffi*.5020 County Road 154Glenwood Springs, CO 81601phone: (970) 945-7988fax: {970) 945-8454email: kaglenwood@kumarusa.comwlw.kumarusa.comAn Employso Ëhrnsd Gomponytfüce Locations: Denver (HQ), Farker, tolorado Springs, Fort Collins, Glenwood Springs, and Sumrnit County, ColoradoProgress Report:Musick Built Ltd. - lan Musick (ianrnusick@msn.gsn)SGM, Inc - Jerry Burgess (ierrvb@sqm-inc.com)SGM, lnc - Mindy Nastal (nlir¡dvn@sqm-inc.com)cc:/t<acShane MelloREPORT OF DRILLED SHAFT OBSERVAT¡ONSTO: Spring Born, lnc.Attn: Charles Barr2000 Broadway, Apt 203Jobr9-7-561.4Date: 06-25-20Page 2 of 2San FcA 94115Greenhouse and Tech Build584 CouRoad 311GarfieldColoradoRiq Type: AF 125CommentsEllPlumbDirectionTop ofPierWaterDepthwhenConcretedn/aDriller: Triple A DrillingTop ofPierElevation5454.6GroundElevation5454.5VariationOver/Under(ft.)+2'Depth (ft.)lnGravel(ft.)3',2"Contractor: RodColnOverburden(ft.)1í',2"TotalHoleDepth18',4"PierDiameter(in.)36"PierNumber354TechnicianSteven L. PawlaP.E. l(t tm,mffü-*5020 County Road 154Glenwood Springs, CO 81601phone: (970) 945-7988fax: (970) 945-8454email; kaglenwood@kumarusa.comwww.kumaru$a.comSteven L. Pawlak. P.E.An fmdoyee ûrned ComponyOfüce Locatlons: Denver (HQ), Parker, Colorado Springs, Fort Collins, Glenwood $prings, and Summit County, ColoradoccProgress Report:Musick Built Ltd. - lan Musick (ianmusick@msn.cpm)SGM, lnc - Jerry Burgess (ie{rvb@sqm-inc.com}SGM, lnc- Mindy Nastal (mi¡dvn@sqm-inc,com)Shane MelloREPORT OF DRILLED SHAFT OBSERVATIONSDate: 06-29-20Page I of2Proiect: Proposed Greenhouse and Tech Building, 584 Gounty Road 311, Garfield Gounty, GoloradoRig Tvpe: AF 125CommentsE,I2El3814815Et6817c5c6c7c8PlumbDirectionTop ofPierWaterDepthwhenConcretednlanlanlanlanlanlanlanlanlanlaJob No. 19-7-561.ADriller: Triple A DrillinqTop ofPierElevation5454.65454.65454.65454.65454.65454.65454.65454.65454.65454.6GroundElevation5454.55454.55454.55454.55454.55454.55454.55454.55454.55454.5VariationOver/Under(ft.)+4,,+1t tt+1"+10"+1'2u+7'+5"+9'+2"+4'Depth (ft.)lnGravel(fr.)3',4"4',4"3'1"3'10'n4',2"3'7',315rt3'g'3',2"3',4"TO: Spring Born, lnc.Atrn: Charles Barr2000 Broadway, Apt 203San Francisco, CA 94115Contractor: RodGolnOverburden(fr.)15',l',14'6"15',4"l5'10"l5'9"l6'6"l5'3'15',0'16'0"16',0'TotalHoleDepth18'5"l8'10"lg'5"1g'9"19',11"20'1"l8'8"l8'9"19'2"19'4"PierDiameter(¡n.)36364848484836363636PierNumber350346340335330325379375371367lxacField TechnicianReviewed By K+rflffiffir:f'å*"5020 County Road 154Glenwood Springs, CO 81601phone: (970) 945-7988fax: (970) 945-8454email: kaglenwood@kumaru$â.eomwww.kumarusa.comSteven L. Pawlak, P.E.Ân Em$oyeo ûrned ComponyOfüce Localions: Denver (HQ), Parker, Colorado Springs, Fort Collins, Glenwood Springs, and Summit County, CoioradoProgress Report:Musick Built Ltd. - lan Musick (íanmusick@msn.con!)SGM, lnc - Jerry Burgess (ie,flrrb@sqm-inc.com)SGM, lnc - Mindy Nastal (mi¡-d[L@ssm-ínc.co{n)cc:lk".Shane MelloREPORT OF DRILLED SHAFT OBSERVATIONSTO: Spring Born, lnc.Attn: Charles Barr2000 Broadway, Apt 203Job No. 19-7-561.4Date: 06-29-20Page 2 of 2SancA 94115PGreenhouse and Tech Buildin584 CRoad 311Garfield CouGoloradoRis Type: AF 125Commentsc9cl0cl1PlumbDirectionTop ofPierWaterDepthwhenConcretedn/aDriller: Triple A DrillinqTop ofPierElevation5454.65454.65454.6GroundElevation5454.55454.55454.5VariationOveriUnder(ft.)+9'+5tt+1"Depth (ft.)lnGravel(ft.)3'9'3'5'3tlt'Contractor: RodColnOverburden(ft.)16'4"l5'3"15',4"TotalHoleDepth20'1"l8'8'nl8'5'PierDiameter(¡n.)363636PierNumber363359355Field TechnicianReviewed By l(+rtffi*ffiffifr;å***5020 Counþ Road 154Glenwood Springs, CO 81ô01phone: (970) 945-79eefax: (97û) 945-8454email: kaglenwood@kumarusa.comwww.kqmarusa.comStevenL. Pawlak, P.E.Àn Ëmployeo Omed ComponyOfice Locations: Denver (l{Q), Parke¡ Colorado $prings, Fori Collins, Glenwood Spr¡ngs, and $ummit County, ColoradoProgress Report:Musick Built Ltd. - lan Musick (ianmu:sick(@msn.conl)SGM, lnc - Jerry Burgess (ierrvþ@sqm-ínc.com)SGM, lnc - Mindy Nastal (mindvn@sqm-inc.col!]cc:lk"Shane MelloREPORT OF DRILLED SHAFT OBSERVATIONSTO: Spring Born, lnc.Attn: Charles Barr2000 Broadway, Apt 203Job No. 19-7-561.4Date: 06-30-20Page 1 oÍ 2San FracA 94r15Greenhouse and Tech Buildi584 CRoad 311Garfield CouColoradoRís Type:AF 125Commentsc12ct3c14cl5c16c17D.3-r4c.7-14Dl5Dl6PlumbDirectionTop ofPierWaterDepthwhenConcretednlanlanlanlan/anlanlanlanlanlaDriller: Triple A DrillinETop ofPierElevation5454.65454.65454.65454.65454.65454.65454.65454.65454.65454.6GroundElevation5454.55454.55454.55454.55454.55454.554il.55454.55454.55454.5VariationOver/Under(ft.)+3',n+1t6tt+4,t+6'+1',3"*{;9,+5tt+1',A"+7"*lttDeoth lft.)lnGravel(ft.)3',3"4t6"!',4"3'6"[',3u4'0"3'5"6',A"s',7"s',7"Contractor: RodColnOverburden(ft)1s',0"l5'1"15n6"15'6'l5'6"1í',7"l5'10"15'9"15'8'16',2"TotalHoleDepth1g'3"19',7"l8'10"19n0"l9'9"1g',7"lg'3"l9'9"l9'3"19n9"PierDiameter(in.)36364848484830304848PierNumber35r347343337332327341342336331Field TechnicianReviewed By l(+rt$;x$,ffi;!þå*"æilProgress Repod:Musick Built Ltd. - lan Musick (ianmusick@qsn.coq!)SGM, lnc - Jerry Burgess (ierl1rb(ôssm-inc.coE)SGM, lnc- Mindy Nastal (mindvn@sqm-inc.cgu)An Employ€e ChrnedComponyOffice Locations: Denver (HQ), Parker, Colorado $prings, Fort Collins. Glenwood Springs, and Summit County, Colorado5020 CounÇ Road 154Glenwood Springs, CO 81601phone: (970) 945-7988fax: (970) 945-8454email: kaglenwood@kumarusâ.comwww"kumarusa.comSteven L. Pawlak, P.E.cc:Shane MelloREPORT OF DRILLED SHAFT OBSERVATIONSTO: Spring Born, lnc.Attn: Charles Barr2000 Broadway, Apt 203Job No. 19-7-561.4Date: 06-30-20Page2 ot 2San FranciscocA 9411sGreenhouse and Tech Build584 CouRoad 311GarfieldGoloradoRiq Type: AF 125CommentsD.3-17PlumbDirectionTop ofPierWaterDepthwhenConcretedn/aDriller: Triple A DrillinqTop ofPierElevation5454.6GroundElevation5454.5VariationOver/Under(fr.)+5ttDepth (ft.)lnGravel(fr.)3r5ttContractor: RodGolnOverburden(ft.)l6'0"TotalHoleDepthl9'5n'PierDiameter(in.)48PierNumber326lkacField TechnicianReviewed By t(t tffiffiffii'#'å*"'5020 County Road 154Glenwood Springs, C0 81601phone: (970) 945-7988fax: (970) 945-8454email: kaglenwood@kumarusa.comuryvw.kumarusa.comSteven L. Pawlak, P.E.An Emiloyëa Owrred CompsnyOffìce Locations: Denver (FlQ), Parker, Colorado Springs, Fort Collins, Glenwood Springs, and Summit County, Coioradocc:Note: Top of Ground/Top of PierMusick Built Ltd. - lan Musick (ianmusisk@msn.goq)SGM, lnc - Jerry Burgess (iç{fyb@sqm-inc.com)SGM, lnc - Mindy Nastal (mindvn(ôsqm-inc.com)Shane MelloREPORT OF DRILLED SHAFT OBSERVATIONSDate; 07-01-20Page I of IProject: Proposed Greenhouse and Tech Building, 584 County Road 311, Garfield County, ColoradoRis Type: AF 125CommentsG18Ft8818D18G18818Al8GIG2G3PlumbDirectionTop ofPierWaterDepthwhenConcretednlanlanlanlanlanlan/anlan/anlaJob No. 19-7-561.4Driller: Triple A DrillinsTop ofPierElevation5454.65454.65454.65454.65454.65454.65454.65450.65450.65450.6GroundElevation5454.55454.55454.55454.55454.55454.55454.55450.75450.95451.0VariationOver/Under(fr.)+10"+1',7"+1',2"+'11'+9t'+1',4"+3"*ltt+6nt+10"Deoth lft.)lnGravel(fr.)3'10"4',7"4',2"3',11"3'9'r4',4"3r3rts',1"3t6rt3'10"TO: Spring Born, lnc.Attn: Charles Barr2000 Broadway, Apt 203San Francisco, CA 94115Contractor: RodColnOverburden(ft.)l5'0"1í',2"15',4"14',10"14',10"l5'3"l5'0"12',5'112',2"12',7"112',3"13',1',112',9"Total HoleDepth18',10"1g'9"1g'6"18'9"18',7"19',7"l8'3"15n6u11'',3"16',1"115',9"16',11"116',6"PierDiameter(in.)30243636362430363636PierNumber3173183193203214322323389385381/kacField TechnicianReviewed By