TECHNICALSPECIFICATIONSFORCONSTRUCTIONQUALITYOFBUILDINGGRADE&FOUNDATIONSkeypointSofqualitycontrolBasicconstructionconditionsofbuildingfoundationsGeotechnicalexplorationdataofrockandearthengineering.Thedesigndocumentandothertechnicaldocumentsareavailable,theconstructiondrawingshavebeenjointlycheckedup,thenecessarytechnicaldeliveryandtraininghavebeenaccomplished.EarthworkGeneralrequirement:Balancecalculationonexcavatingandfillingshouldbeaccomplishedbeforeearthworkconstruction,consideringminimumtransportingdistance,reasonabletransportingpathandreasonableconstructionprocedureandotherfactorssynthetically,properlyallocatetheearthwork,reducerepeatedexcavationandtransportation.GrounddrainageanddewateringshouldbedonebeforeexcavationThegradientofthesitesurfaceshouldbeinaccordancewithdesigningrequirement,ifwithoutspecificrequirement,thegradientofdrainagedirectionshouldnotbelessthan2‰.Thesitesurfaceshouldbecheckedperpoint.Setonecheckingpointevery100~400m2,andcheckpointsshouldnotbelessthan10points;set1pointevery20matlength,widthandedgeslope,notlessthan1pointeachside.Theplanposition,levelelevationandsideslopegradeshouldbemeasuredoftenduringearthworkconstruction.Reliableprotectingmeasurementshouldbeappliedtoplan-controlpilingandlevel-controlpoint,andcheckorreviewshouldbedoneperiodically.Soilshouldn’tbeplacedattheedgeoffoundationpit.Excavationofsoil:Beforeexcavation,setting-out,drainageanddewateringshouldbechecked,andtransportingroadofvehiclesanddumpareaofsoilshouldbearrangedreasonably.Theconstructionscheme,environmentprotectingmeasurementandsupervisionschemeshouldbeworkedoutaccordingtoexcavatingdepth,geologicalconditions,constructionmethod,environment,projectperiod,climateandgroundloadingandotherinformation,andtheexcavationoffoundationpit(groove)andundergroundpipingtrenchshouldapprovedbygeneralcontractorbeforeexcavation.Checkplanposition,horizontalelevation,gradeofsideslope,compactness,,drainage,dewateringsystemduringconstruction,andobserveenvironmentalchangesfromtimetotime.Sideslopevalueoftemporaryearthworkexcavationshouldbeinaccordancewiththerequirementofthefollowingtable1:Table1Sideslopevalueoftemporaryearthworkexcavation且Sorto崖fsoil蠅Sides朋lopev當alue(債Height逐:widt收h)嶺Sandy傻soil暫(noti絡ncludi鑰ngfin偽esand僚andp動owder矩sand)晚1痕：妄1.25~翼1潑：升1.5美Common舊clay違Hard嘗1貪：姓0.75~察1貍：支1.00擱Hard,霸plasti仁city黃1稀：話1.00~鎖1怎：高1.25斬Soft市1瘋：女1.50o叉reven償soft探Gravel裹Fillin帥grigi清d,har彈dplas殘ticcl賀ay沾1扔：扛0.50~版1膨：會1.00壁Fillin屠gsand幼ysoil雄1卸：圾1.00~枯1章：書1.50萬Notes:辦1.In據accor尸dance滑withd遲esign暈requir倍ement壘whent劑herei舌sany.防2.If甘apply券water-滿decrea秩seor夜other絞reinfo判rces漲measu制rement辣,the菠limit丸ofthi旋stabl委ecoul你dben噴ot渣applie永d,飼butc部alcula屑tedto星check軋must或bedon必e.蹲3.The漲excav義ation幻depth瓜should狐n膽’掩texce蔥ed靈4m幻fors以oftso控iland僵茅8m臟forh界arder扣soil.Thequalityinspectionstandardofearthworkexcavationshouldbeinaccordancewithrequirementoffollowingtable2:皂Table滅2The面qualit恥yinsp艇ection慕stand智ardof南earth柳worke蹄xcavat擱ion(m籍m)痰Sort支No.艇Item皆Permit牧tedto碧leranc缺e保Testin炊gmeth忠od擋Column竿Found乘ation顯Founda泄tionp娛it咽Founda榜tiong音roove梨Trima通ndof縱theex熱cavati溫onsit促e崗Pipe

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