管井降水施工方案.doc

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1、VATTANACCAPITALLIFESTYLEPARKPROJECT管井降水施工方案Theconstructionschemeoftubewelldewatering-----柬埔寨安达都会广场项目------VCLPPROJECTCAMBODIA编制单位：SinomaHanDanConstructionCo.,Ltd编制：compiled:__________________审批：Verified:__________________批准：Approved:__________________日期：Date:_______________

2、___VATTANACCAPITALLIFESTYLEPARKPROJECT安达广场基坑降水施工方案ConstructionSchemeforFoundationPitDrawdownofVATTANACPark一、降水设计方案I.Drawdowndesignscheme1.1、设计参数1.1.Designdata本工程降水井采用直径300mm波纹管滤管，管井共20根井深22米，井口外露500mm。300mmcorrugatedfilterpipeisadoptedasthedrawdownwellandtherearetotal20well

3、sof22mdeepeach.Thewellheadexposesby500mm.1.2、降水井平面布置1.2.Layoutofdrawdownwell降水井布置详见降水管井平面布置图。Thearrangementofdrawdownwellisshownonthelayoutofdrawdownwell.VATTANACCAPITALLIFESTYLEPARKPROJECT二、施工准备II.Constructionpreparation2.1、测量放线2.1.Surveyingandsettingout测量放线依据现场测量控制点，标高采用水

4、准仪，并根据井点布置图采用全站仪放线定位。放线经复核后报管理公司确认方可进行施工。Thesurveyingandsettingoutshallbebasedonthefieldsurveycontrolpointsandopticallevelshallbeusedformeasuringtheelevation.Inaddition,thetotalstationinstrumentshallbeusedforthesettingoutandpositioningaccordingtothelayoutofwellpoints.Settin

5、goutshallbeperformedafterre-recheckandbeingreportedtothemanagementcompanyforconfirmation.2.2、施工用电、用水配置2.2Electricityandwaterforconstruction1、施工用电直接从配电房接入，50kVA能完全满足降水用电负荷。1.Theelectricityforconstructionshallbedirectlyconnectedfromtheswitchgearroom,and50kVAcanfullymeetthedra

6、wdownloadrequirements.2、依据用水设备和施工经验，需用水量10m3/h直径50mmVATTANACCAPITALLIFESTYLEPARKPROJECT管，就能满足施工用水。2.Dependingonthewaterequipmentandbasedontheconstructionexperience,thepipeofdiameter50mmwithawaterflowrateof10m3/hcanmeettheconstructionrequirements.2.3、打井机械及井点设备2.3.Welldrillin

7、grigandwellpointequipment打井机械可根据工期要求变更。井点设备是由井点管、连接管、排水主管及抽水设备等组成。具体如下:Thewelldrillingrigmayveryaccordingtotheschedulerequirement.Thewellpointequipmentconsistsofwellpointpipe,connectingpipe,drainheaderandpumpingequipment.Thedetailsareasfollows:机械设备表Listofmechanicalequipment

8、序号S/N设备名称EquipmentName规格Size单位Unit数量Qty1钻机DrillingrigXY型XYModel台Set12潜水泵Submergedp