The URL can be used to link to this page

Home My WebLink AboutField Observation Report 07.22.2021ffi CTLITHOMPSON Field Observation Report Report#: FOR-000001 07t21t2021 Glenwood Springs 234 Center Dr¡ve Glenwood Spr¡ngs, CO 81601 Phone: 970-945-2809 Giard Homes, lnc. 1431 Airport Road R¡fle, CO 81650 Client:Pro¡êct: GS0661 3.000F-305 Alf¡ni Residence 350 Red CliffCircle Lot 10, Four Mile Ranch Glenwood Springs, CO Activity Dalæl. O7 121 12021 Placement Location: Foundation Excavation Technician: Barto, Matthew Plans/Details: SGM Discrepancy: The items observed were found to be in general conformance with the approved drawings and standard construction practice: !vesEruo Discrepancy: !ves E ruo General Remarks: Footings excavated to planned bottom of footing elevation (96' 2') per plans exposing sandy silty clays. foundation designed for a maximum allowable bearing pressure of 3,000 psf. During our site visit, CTL be supported by the clayey gravels below the sandy silty clay. Plans indicate a footing recommended footings lmages: Comments:: View from street Legal: Contractor to ensure integrity of completed work is maintained during subsequent construction activities.Page I of 1 ffi CTLITI{OMPSON Glenwood Spr¡ngs 234 Center Drive Glenwood Springs, CO 81601 Phone: 970-945-2809 Field Observation Report Report#: FOR-000002 07t22t2021 Client:Project: Giard Homes, lnc. 1431 Airport Road Rifle, CO 81650 GS0661 3.000F-305 Alfini Residence 350 Red CliffCircle Lot 10, Four Mile Ranch Glenwood Springs, CO lmages Gomments:: Excavation at garage southeast corner Legal: Contractor to ensure integrity of completed work is maintained during subsequent construction activities.Page 2 of 2 ffi Field Observation Report¡rlrrf,¡ryÍrñn Glenwood Springs 234 Center Drive clenwood Springs, CO 81601 Phone: 970-945-2809 CTLITHOMPSON Report#: FOR-000002 07t22t2021 Client:Project: Giard Homes, lnc. 1431 Airport Road Rifle, CO 81650 GS0661 3.000F-305 Alfini Residence 350 Red CliffCircle Lot 10, Four Mile Ranch Glenwood Springs, CO Activity Date: 07 12212021 Placement Location: Foundation Excavation Technician: Barto, Matthew Plans/Details: SGM Discrepancy: The items observed were found to be in general conformance with the approved drawings and standard construction practice: @vesnruo Discrepancy: I ves E t¡o General Remarks: Footing areas subexcavaled2 feet below planned bottom of footing nearly exposing the underlying natural clayey gravels. Probing random areas indicated gravels less than 1 2 inches below existing grade. Soil loosened during excavation , -recomfacted using a walk-behind vibratory sheepsfoot. Plans are to place structural fill to re-attain planned bottom of footing elevation. Legal: Contractor to ensure integrity of completed work is maintained during subsequent construction activities.Pagel of2 ffiCTL ITHOMPSON Gompaction TestingClient:ffiReport #: SNG-00000107t23t2021Report Date: 07 129 I 2021Test Method: ASTM D 6938Proiect:GS06613.000F-345Alfini Residence350 Red Cliff CircleLot 10, Four Mile RanchGlenwood Springs, COGiard Homes, Inc.1431 Airport RoadRifle, CO 81650Glenwood Springs234 Center DriveGlenwood Springs, CO 8'1601Phone: 970-945-2809Test ResultsRemarkAAAATest InformationField TechnicianBarto, MatthewBarto, MatthewBarto, MatthewBarto, MatthewMin Comp(%l95959595PercentCompaction105103105102GaugeMake / Model / SN / CalibratedcPN/MC-l tMD40201885t04116t2020cPN / MC-1 / MD40201885 /o411612020cPN / MC-1 / MD40201885 i0411612020cPN / MC-1 / MD40201885 /0411612020ProbeDepthlin)IIBIIn PlaceWetDensity(pcf)146.1143.5145.4142.4ln PlaceDryDensitylpcfl138.3134.9137.3134.4ReferenceSubgradeSubgradeSubgradeSubgradeGommentsTests are "Direct Transm¡ss¡on" (Method A) unless probe depth is noted as"Backscatte/'. Gauge calibration data on file with the testing agency.4: Site visit made as requested for density testing of structural fillconsisting of imported minus 3/4-inch ABC being placed belowfootings. Fill material moisture- treated/mixed prior to placement inlifts with compactive effort applied using a walk-behind vibratorysheepsfoot and a jumping-jack. Density tests performed withln PlaceMoisture(%l5.66.45.96.0MaximumDryDensity (pcf)131 .3131 .3131.3131.3Elevation-1.0-1.0-1.0-1.0OptimumMoisture(Yol7.57.57.57.5Test LocationFooting SubgraCe: Garage NW cornerFooting SubgraCe: Garage SE cornerFooting Subgrace: S. Foundation Wall, 12'W. of Residence SE cornerFooting Subgrace: N. Foundation Wall at entranceSoilGlassificationGranularGranularGranularGranularMethod698C698C698C698CRemarksA: Test results comply with specif¡cations.Proctor lDCurve No. 1Curve No. 1Curve No. 1Curve No. 1Test Datea7123121c7t23t214712312147t23t21RetestofTest #1234Test #1234This report presents opinions formed as a result of our observations of fill placement and the test results shown above. Test data are not the sole basis foropinions whether the fill meets project specifications. The contractor is responsible to apply necessary compaction effort and moisture to comply with projectspecifications. Our test results, observations and opinions do not constitute acceptance of the work.Page 1 of I ffiCTL ITHOMPSON Gompaction TestingClient:WReport #: SNG-000002071261202',1Re port D ate: 07 I 29 I 2021Test Method: ASTM D 6938Project:G506613.000F-345Alfini Residence350 Red Cliff CircleLot 10, Four Mile RanchGlenwood Springs, COGiard Homes, lnc.1431 Airport RoadRifle, CO 81650Glenwood Spr¡ngs234 Center Dr¡veGlenwood Springs, CO 81601Phone: 970-945-2809Test ResultsRemarkAAAAATest lnformationField TechnicianBarto, MaühewBarto, MatthewBarto, MatthewBarto, MatthewBarto, MatthewMin Gomp.(%l9595959595PercentCompaction102104103105'104GaugeMake / Model / SN / GalibratedcPN / MC-1 / MD40201885 /0411612020cPN / MC-l / MD40201885 /0411612020cPN / MC-1 / MD40201885 /0411612020cPN / MC-1 / MD40201885 /0411612020cPN / MC-l / MD40201885 /04t16t2020ProbeDepth(in)12I10I12ln PlaceWetDensity(pcf)'t42.3't44.4143.6146.2145.7ln PlaceDryDensity(pcf)134.5136.4135.3137.9136.8ReferenceSubgradeSubgradeSubgradeSubgradeSubgradeCommentsTests are "Direct Transmission" (MethÕd A) unless probe depth is noted as"Backscâtter". Gauge calibration data on file with the test¡ng agency.9: We returned to the site this afternoon as requested. Placement ofstructural fill below residence footings continuing. Density testsperformed indicated project specifications being achieved. Earthworkcontractor informed. Our office will be notified when further site visitsln PlaceMoisture(%l5.85.96.16.06.5MaximumDryDensity (pcf)131 .3131 .3131 .3131.3131.3Elevation0.00.00.00.00.0OptimumMoisture(o/ol7.57.57.57.57.5Test LocationFooting Subgrade: Garage SW cornerFooting Subgrade: Residence NW cornerFooting Subgrade: N. foundation wall, I' W. of residence NE cornerFooting Subgrade: S. Foundation Wall, 20'W. of residence SW cornerFooting Subgrade: Garage E. Foundation Wall, 15' N. of garage SE cornerSoilClassificationGranularGranularGranularGranularGranularMethod698C698C698C698C698CRemarksA: Test results comply with specificationsProctor lDCurve No. 1Curve No. 1Curve No. 1Curve No. 1Curve No. ITest Date07126t2107t26t2'l07t26t2',107t26t2'l07126121RetestofTest #567IITest #5t)7IIThis report presents opinions formed as a result of our observations of fill placement and the test results shown above. Test data are not the sole basis for opinionswhether the fill meets project specifications. The contractor is responsible to apply necessary compaction effort and moisture to comply with project specifications.Our test results, observations and opinions do not constitute acceptance of the work.Page 1 of I