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Agenda - Public Works Committee - 09/19/2017
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Agenda - Public Works Committee - 09/19/2017
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Agenda
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Public Works Committee
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09/19/2017
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SunwoodDriveΑStreetImprovements <br />Ramsey,Minnesota <br />NTIProjectNo.16.61770.100 <br />1 <br />Table1:PavementandSubgradeSummary <br />SunwoodDrive <br />BituminousApparent <br />PavementAggregateBaseFillSubgradeNativeSubgrade <br />234 <br />BoringNo.Thickness(inches)Thickness(inches)MaterialMaterial <br />S18.3NoneSPSMSPSM <br />None <br />S24.5SPSMSP,SPSM <br />None <br />S34.5SPSMSM,SP,SPSM <br />None <br />S44.5SPSMSPSM <br />None <br />S54.8SPSMSPSM <br />None <br />S64.8SPSMSPSM <br />None <br />S74.3SPSMSP,SPSM <br />None <br />S85.8SPSMSPSM <br />None <br />S94.5SPSMSP,SPSM <br />None <br />S105.0SPSMSP,SPSM <br />None <br />S114.8SPSMSP,SPSM <br />1.Tablesummaryisageneralizationofsubsurfaceconditionsattheindividualsoilboringlocationsonly.Theymaynot <br />reflectvariationsinsubsurfacestrataoccurringonsitebetweenboringlocations.Thegeneralgeologicoriginof <br />retainedsoilsamplesislistedontheboringlogs. <br />2.Measuredthicknessofthepavementcore. <br />3.Apparentaggregatebasethickness,attimeofourfieldwork,byvisualinspectiononlyandisnotmeantoconfer <br />conformancewithDOTspecifications. <br />4.Undocumentedfillsoils. <br />GROUNDWATERANDGROUNDWATERCONTROL <br />Groundwaterwasobservedintheboreholesatdepthsrangingfromapproximately7.0to9.5feetbelow <br />thetopofpavementatthetimeofdrilling. <br />Dependinguponelevationsofundergroundutilities,groundwatermaybeanissueduringconstruction. <br />Itshouldbenotedthatifexcavationsareproposedbelowthegroundwaterlevel,thegranularnatureof <br />themajorityoftheonsitesoilswilllikelyresultinsignificantvolumesofwaterenteringtheexcavations <br />unlessproperdewateringmeasuresareimplemented.Wellpointsembeddedintotheunderlyingsands <br />willlikelybethemostsuitablemethodforcontrollingexcesswaterindeeperexcavations.Ifdewatering <br />isneededduringconstruction,werecommendthatthegroundwaterbemaintainedaminimumof2 <br />feetbelowthebottomoftheexcavation. <br />LABORATORYTESTPROGRAM <br />Ouranalysisandrecommendationsofthisreportarebaseduponourinterpretationofthestandard <br />penetrationtestresistancedeterminedwhilesamplingsoils,laboratorytestresultsandexperiencewith <br />similarsoilsfromothersitesneartheproject.Theresultsofsuchtestsaresummarizedontheboring <br />logsorattachedlaboratorytestreports. <br />Page3of7 <br /> <br />
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