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1、基坑圍護(hù)、降水及土方開挖工程專項(xiàng)施工方案SpecialConstructionSchemeofFoundationDitchSupport,PrecipitationandEarthworkExcavationEngineering一、工程概況ProjectOverview1.1概述Summary工程名稱:上海聯(lián)恒異氰酸脂有限公司MDI擴(kuò)建項(xiàng)目工藝裝置土建工程、ProjectName:Lianhengisocyanateresinco.,LTD.ShanghaiMDIexpansiondevicesi
2、scivilengineering工程地址:上海市漕涇化工區(qū)楚華路25號ProjectAddress:ShanghaicaojingchemicalOuChuHuaroadno.25建設(shè)單位:上海聯(lián)恒異氰酸脂有限公司Theconstructionunits:Shanghailianhengisocyanateresinco.,LTD設(shè)計(jì)單位:上??圃蓟こ淘O(shè)計(jì)有限公司Designunit:Shanghaiyuancombustionengineeringdesignco.,LTD勘察單位:上海巖土工
3、程勘察設(shè)計(jì)有限公司Prospectingunits:Shanghaigeotechnicalengineeringsurveyanddesignco.,LTD施工單位:中國核工業(yè)中原建設(shè)有限公司Constructionunit:Chinanuclearindustryzhongyuanconstructionco.,LTD監(jiān)理單位:上東洋工程(上海)有限公司Supervisionunits:theOrientalengineering(Shanghai)co.,LTD1.2工程概況ProjectOve
4、rview:本工程位于上海市漕涇化工區(qū)楚華路25號,上海巴斯夫聚氨酯有限公司內(nèi)的A400地塊上。而上海聯(lián)恒異氰酸脂有限公司MDI擴(kuò)建項(xiàng)目工藝裝置土建工程,由MDI合成單元、MDI初期雨水池、MDA初期雨水池、MDA處理單元、雨淋閥室和管架五大單元組成。ThisprojectislocatedinShanghaiCityCaojingChemicalDistrictChuHuaRoadNo.25,ShanghaiBASFPolyurethaneCo.LtdinA400block.AndShanghaiL
5、ianhengISOcyanategreaseCo.,Ltd.MDIexpansionprojectprocessdeviceforcivilengineering.BysynthesizingMDIunit,MDIearlyrainpool,MDAintheearlyrainpool,MDAtreatmentunit,thedelugevalvechamberandtubeframefiveunitcomposed.1.3基坑概況FoundationDitchOverview:1.3.1MDI合成單
6、元Syntheticunit-36-(1)光氣隔離艙、HCL吸收及尾氣處理的墊層底標(biāo)高-2.25m,板底厚為1200mm,墊層厚100mm,建筑面積為638.44m2。本工程設(shè)計(jì)標(biāo)高100.000m為±0.000所應(yīng)對的絕對標(biāo)高為吳淞標(biāo)高+4.500m,場地內(nèi)部自然地面絕對標(biāo)高約為+4.500m,即為相對標(biāo)高±0.000m,則開挖深度為2.25m。其中,水池的墊層底標(biāo)高-5.90m,板厚為1000mm,墊層厚100mm,建筑面積為31.59㎡。本工程設(shè)計(jì)標(biāo)高100.000m為±0.000所應(yīng)對的絕對標(biāo)
7、高為吳淞標(biāo)高+4.500m,場地內(nèi)部自然地面絕對標(biāo)高約為+4.500m,即為相對標(biāo)高±0.000m,則開挖深度為5.9m。(1)Thephosgenecompartment,HCLabsorptionandtailgastreatmentofcushionbottomelevationof2.25m,thebottomoftheplatethicknessis1200mm,cushionthicknessof100mm,withaconstructionareaof638.44msquared.Thi
8、sengineeringdesignelevationof100.000mby0.000mmtocopewiththeabsolutelevelofwusongelevation+4.500m,fieldinsidethenaturalgroundelevationisabout4.500m+absolutely,istherelativeelevation+/-0.000m,theexcavationdepthof2.25m.Poolofcushion