.土建专项施工方案

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1、.土建专项施工方案Chapter1WasteWaterSumpConstructionschemeofdeeppit第一章深基坑施工方案1Projectinbrief工程概况(1)Generaldescription:RCfoundationforFFwastewaterpondandwastewatertreatment,建筑物概况：本工程为消防废水池和污水处理池，钢筋砼基础形式。(2)Sizeofthefoundationpit:thefoundationpitforthewastewaterpitissizedof320m2,bracedof92mbyleng

2、th;基坑规模：根据本次围护设计方案，消防废水池基坑面积约320m2，围护长度约92m.Excavationdepth:thesiteistobeleveledto3.36withtherelativeelevationofthefoundationtothecollectionpitof±0.00(3.35),whoseslabisthickening800mmandbeddingcourseof100mm;anditsrelativeelevationatthebottomof-5.9M.Withgivenfigures,wecouldworkoutexcava

3、tiondepthsrespectivelyof5.9m.基坑开挖深度：本工程取场地平整后标高为3.36，工艺废水池基础底板面相对标高为±0.00(3.35)，底板厚800mm，考虑垫层厚100mm，坑底相对标高为-5.9M，因此基坑开挖深度为5.9m.2.Ambientandpiping周边环境及管线概况(1)Ambient周边环境Thesiteisquitesmooth;thusisolatedfromthesurrounding.场地较平整，没有建筑物和其它影响(2)Pipingaround周边管线Thereisnopipinginformationavail

4、ableyet.Therefore,wewillcarefullyconductourworkandperformnecessaryprotectionincaseanypipelinefoundonsite.暂无基坑周边管线资料，在正式施工、基坑开挖阶段如发现管线，应加强管线监测，确实做好管线保护工作。3.Constructionplancompilingbasis施工方案的编制依据3.1.Existingconstruction&installationpolicies,rules,regulationandstandardsinTaicangcityandin

5、China;156根据国家和苏州市现行有关建筑安装工程的政策、法规、规范、规定和标准；3.2.ConstructionLayoutsandSectionsprovidedbyDesignInstitute;设计院提供的施工平面布置图和剖面图；3.3.GBJ212—8FoundationProject’sConstructionandCheck&AcceptanceRegulations;GBJ212—8《地基与基础工程施工及验收规范》；3.4.SuzhoucityConstructionandInstallationWorker’sSafetyOperationRe

6、gulation;苏州市《建筑安装工人安全技术操作规程》；3.5.JGJ33—86ConstructionEquipmentSafetyOperationRegulation;JGJ33—86《建筑机械使用安全技术规程》；3.6.JGJ59—88JobsiteTemp.ElectricityandSafetyConstructionManagementSystem;JGJ59—88《施工现场临时用电安全生产管理制度》；3.7.Ditchandfoundationcalculationformulas.沟槽/基坑围护计算式。4.Constructiondiagram施

7、工流程Positioning,settingoutsheetpileditchexcavationsheetpiledriving(wellpointdewatering)roundpurlinditchexcavationinstallationofsteelroundpurlinandsteelbracefoundationsoilexcavation,pipelineembedment(foundationstructure)soilbackfillsteelbraceremovalsheetpileremoval定位放线开挖打桩沟槽打设钢板桩（井点降水）