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Home My WebLink AboutObservation of Drilled Piers 07.7.17H-PryKUMAR 5020 County Road 154 Glenwood Springs, CO 81601 Phone: (970) 945,7988 Fax (970) 945-8454 Email: hpkglenwood@kumarusa.com Geotechnical Engineering I Engineering Geology Materials Testing I Environmental Office Locations: Parker, Gfenwood Springs, and Silverthorne, Colorado July 7 ,2017 Eggers Architecture Attn: Don Eggers P. O. Box 798 Kremmling, Colorado 80459 (don.eggers @ eggersarcliitectue.coml Project No. 17-7-263.4 Subject:Observation of Drilled Pier Drilling, Proposed Ranch House, Big Mountain Ranch, 2L47 Ute Stock Drive, north of Rifle, Garfield County, Colorado Dea¡ Don: As requested, a representative of H-PlKumar observed the pier drilling at the subject site on June 29 and 30,2Ol7 to evaluate the piers for foundation support. The findings of our observations and recommendations are presented in this report. We previously conducted a subsoil study for design of foundations at the site and presented our findings in a report dated May IO,2AI7 , Project No.17-7-263. The proposed construction is similar to that discussed in our previous report. The building has been designed to be supported on drilled piers as recommended in the report. The design by KRM Consultants consists of.27, twelve-inch dimeter piers with three No. 5 reinforcement bars for each pier. Our observations of the pier drilling conditions as well as reinforcement placed in the piers prior to concreting are provided on the attache construction activity and drilled pier observation reports. The pier numbers on the observation reports refer to pier locations shown on the attached Figure 1. The piers were installed per our recommendations and per KRM Consultant's design. Eggers Architecture Jaly 7,2017 Page2 If you have any questions or need further assistance, please call our offîce. Sincerely, H.P\ KU David A. Young, P.E. f:Ì DAY/ljf attachments Figure 1, Locations of Drilled Piers for Ranch House Daily Construction and Pier Drilling Field Reports for June 29 and 3A,2Ol7 ce'-Giard Homes * Roger Giard (roger.eiíuq@giarqho¡4es.com) KRM Consultants - Tim Hennum (tim@krmconsultants.com) 7*7-{ 3?-216 H-P*KUMAR Project No. 17-7-263.4 APPROXIMATE SCALE 1" :2A' 16 17 18 15 19 2A 13 21 I 22 23 I 6 4 1 8 o24 1^It 12 11 o25 5 o 27 o 26 17-7-263.4 H-P\I(UMAR -1tr!:.,1':iìiL,i l{'!lr¡firr::,; É.; XIr sr- | ja:'È'h: t\¡714t+:¡ i Ïr51;¡t: : l_..r!rÒ.al.'r¡l LOCATIONS OF DRILLED PIERS FOR RANCH HOUSE Figure 1 H-P*KUMAR 5020 County Road 154 Glenwood Springs, CO 81601 Phone: (970) 945-7988 Fax (970) 945-8454 Email: hokqlenwood@kumarusa.com Office Locations: Parker, Glenwood Springs, and Silverthome, Colorado GONSTRUCTION ACTIVITY REPORT Client:Eggers Architecture, lnc. Attn: Don Eggers P.O Box 798 Kremmling, Colorado 80459 Project No.: 17-7-263.A Day: Date: Page Thursday 6t29t17 I of 3 Project:Proposed Ranch House, Big Mountain Ranch, 2147 llte Stock Drive, north of Rifle, Garfield County, Golorado Weather: Partly cloudy, light wind, dry Temperature: 70oF at I l:00 am Contractor's Construction Activities: Penley Drilling drilled 18 piers today as recorded on following pages. Equipment in Use: Gaisson Drill Rig H-PlKumar's Site Activities: Observed tie pier instatlation with our observations provided on pages 2 and 3. All piers were 12" tn diameter and drilled to a minimum depth of 2A'and minimum 10' penetration into bedrock. All pier holes were very close to or vertically plumb. Contractor chose to leave piers open overnight and concrete allthe of piers tomorrow, after re-checking piers for caving. No water was observed in any of the pier holes. Verbal Communication Dave with Penley Drilling was informed that all piers were drilled to minimum depth and bedrock penetration and well within plumb limits. distribution: Don Eggers (don.eEqeæ@eoqenearchitecture.com) Giard Homes' Roger Giard @ KRM Consultants - Tim Hennum (tim@krmconsultants.com) PaulWeiser David A. Young, P.E. Field Technician Reviewed By llt¡ H-P*KUMAR5020 County Road 154Glenwood Springs, CO 81601Phone: (970) 94$7988Fax (970) 945-8454Email: hokglenwood@kumarusa.comOffice Locations: Parker, Glenwood Springs, and Silverthome, ColoradoDRILLED PIER OBSERVATION REPORTClient:Attn:Eggers Architecture, lnc.Don EggersP.O Box 798Kremmling, Colorado 80459Proiect No. 17-7-263.ADay:Date:Sheet:Thursday6t29t172of3Project: Proposed Ranch House, Big Mountain Ranch, 2147 Ute Stock Drive, north of Rifle, Garfield County, Colorado3ålîå1,",, Giard HomesSijlll:".* Penrey DrininsRig Type; SpiradrillField Notes: Hole depths measured from ground surface.Distribution:Don Eggers (don.eoqêÉ€Deoqe¡ÊarchltoctuÞ.com)G¡ard Homes - Roger Giard (Igger.aiard@alardhomes.comlKRM Consultants - Tlm Hennum (ttm@krmconsultants,cım)AiîPaulWeiserDavid A. Youno.CommentPlumb(Top ofHole)PlumbVzolo oil SPlumbPlumbPlumbPlumbPlumbPlumbPlumbWaternonenonenonenonenonenonenonenonenoneTop ofPierElev.94',97 "94',97/€94'gVr"94',gTh94',971l94'9Yr"94',glh94'9Ts"g4'97h"VariationOverlUnder+6"+1'+l,+ltDepthln Bedrockl0'l0'6"1l',14',l5'15'1+',16'l6'ln Overburdenl0'10'l0'6',6'6'6t4',A',Tota!HoleDepth20'20'6"21',20'21'21',20'20'20'PierDia.1212"12"12"12"12"12"1212"Pier No.LocationI (F,6.5)2lF,4l3 (F, 2)4 (E.5, 2)5 (8.5,4)6 (E.4,6)7 (E.5,6.5)I (E,6)I (E,7)Field Engineer Reviewed ByP.E. H-P*KUMAR5020 County Road 154Glenwood Springs, CO 81601Phone: (970) 94S7988Fax (970) 945-8454Email: hokqlenwood@kumarusa.comOffice Locations: Parker, Glenwood Springs, and Silverthome, ColoradoDRILLED PIER OBSERVATION REPORTClient:Attn:Eggers Architecture, lnc.Don EggersP.O Box 798Kremmling, Colorado 80459Project No. 17-7-263.4Day:Date:Sheet:Thursday6t29t173of3Project: Proposed Ranch House, Big Mountain Ranch, 2147 Ute Stock Drive, north of Rifle, Garfield Gounty, Colorado!en9raf. Giard Homesuontractor::11119.^,. Pentey DriilinsGOntractor:Rig Type: SpiradrillField Notes:Distribution:Don Eggers (don.eooorsôeooersarchltecturÞ,com)Giard Homes - Roger Giard lrooelolard@qlardhomes.com)KRM Consultants - Tim Hennum ltlmúùkrmconsultants.com)tüîPaulWeiserDavid A. Younq. P.E.GommentPlumb(Top ofHole)Plumb%%sPlumbPlumbPlumbPlumblzolrWWaterTop ofPierElev.94'97."94'9T8"94'91/s"94'91/r"94'97/a"94'97h"94'97h"94',97h"94'97/s"VariationOver/Under+1'+1'+1'+1t+1'+l'+l'+6ttDepthln Bedrockl6'1s',l9'lg'1g'1g',lg'l5r 6r'14',ln Overburden5'6'2',3t2',2'3'5'6tTotalHoleDepth21',21',21',21'21',21',21',20t6"20'PierDia.12"12"12"12"12"'|-2"'12"1212Pier No.Location22 (D,1.5)23 (Ð.8,21{6 (4,6.5)15 (4.9,7)18 (4,1)17 (4,4)14 (8,6)l3 (G,7)l2 (c,6.5)Field EngineerReviewed By H-P*lruMAR 5020 County Road 154 Glenwood Springs, CO 81601 Phone: (970) 945-7988 Fax (970) 545-8454 Email; hokolenwood@kumarusa.com Office Locations: Parker, Glenwood Springs, and Silverthorne, Colorado CONSTRUCTION ACTIV¡TY REPORT Client:Eggers Architecture, lnc. Attn: Don Eggers P.O Box 798 Kremmling, Colorado 80459 Project No.: 17-7-263.A Day: Date: Page Friday 6t30t17 1of 2 Project:Proposed Ranch House, Big Mountain Ranch, 2147 Ule Stock Drive, north of Rifle, Garfield County, Golorado Weather: Clear, calm, dry Contractor's Construction Activities Temperature: 84oF at I l:00 am Penley Drilling drilled the remaining g piers and concreted all 27 piers today. Equipment in Use: H-P/Kumar's Site Activities: Drill Rig We observed the pier drilling with our observations provided on page 2. All pier holes were 12" in diameter and drilled to a minimum depth of 20'and minimum bedrock penetration of 10 feet. All piers were dry and received (3) #5 vertical bars as reinforcement. All piers were concreted today after piers were checked for caving with none found to have caved. We tested the concrete for the piers with the results provided under separate cover. Verbal Communication Dave with Penley Drilling was informed that all piers were drilled to proper depths and wellwithin plumb limits. distribution: Don Eggerc (don.eogens@eoaersarchitecture.com) Giard Homes - Roger Giard lrooer.oiard@oiardhomes.coql KRM Consultants - Tim Hennum ltim@krmçonsultants.com) PaulWeiser David A. Young, P.E. Field Technicían Reviewed By t\r H-P*I(UMAR5020 County Road 154Glenwood $prings, CO 81601Phone: (970) 945-7988Far (970) 945-8454Email: hokglenwood@kumarusa.comOffice Locations: Parker, Glenwood Springs, and Silverthome, ColoradoDRILLED PIER OBSERVATION REPORTGlient:Attn:Eggers Architecture, lnc.Don EggersP.O Box 798Kremmling, Golorado 80459Project No. 17-7-263.ADay:Date:Sheet:FridayÊt30t172 af2Project: Proposed Ranch House, Big Mountain Ranch, 2147 Ute Stock Drive, north of Rifle, Garfield Gounty, GoloradoGeneralGontractor:Giard Homes|illLn.r, PenteyDriilingRig Type: SpiradrillField Notes: Hole depths measuredground surface,Distribution:Don Eggers {doncqqers@eooer¡archltecture.com}Giard Homes - Roger Giard lrooer.qlardtÔoiardhomes.comlKRM Gonsultants - Tim Hennum ftlm@kmconsultants.comltúfPaulWeiserDavid A. Young, P.E.GommentPlumb(Top ofHole)PlumbPlumbPlumbPlumbPlumbPlumbPlumbPlumbPlumbWaternonenonenonenonenonenonenonenonenoneïop ofPierElev.94'g7/""94'97/s"94'9Y""94'97h"94t 97/""94',91 "94'97s"94'9Ys"94, grhVariationOver/Underln Bedrock17',17'l6'l6'16'l5'16',14',14'Depthln Overburden3'3'4', ',4',5'4',6t6',TotalHoleDepth20'20'20'20'24',20'20'20'20,PierDia.12"12"12"12"12"1212"12"12"Pier No.Locationl9 (4.9, 1)27 lB,4l21 (C.1,1120 (8.5,2)26 (C,4)24 (8.1,4125 (D,4llr (D,6)t0 (D,7)Field EngineerReviewed By