方ForewordAccording to the requirements of Document JIANBIAOHAN[2021issuedby theMinistry of Housing and Urban-Rural Development(MOHURD)-"Notice on Printing and Distributing'the Development and Revision Plan of National Engineering Construction Standards in 2021,andafter extensive investigation and research,summarization ofpracticalerience,consultation orelevant international standards and foreign advanced standardsolicitation of opinions,thedrafting group has revised this standard.The standard consists of 11 chapters and 9 appendixes.coyering:general provisions,constructionlayout,construction survey,foundation construction.pump house construction,construction of inlet andoutlet structures,construction of other types of pumping stations,construction under special weatherconditions,installation of monitoring facilities and observation during construction period,installationand testing of steel structures,quality control and construction acceptance of pumping station,etc.The main technical contents of the revision of this standard are:1.The requirements for construction management of water pumping stations,structure removal ofstrengthening and retrofitting projects,and environmental restoration,safetyproduction,occupationalhealth,environmental protection and soil and water conservation are added2.The requirements of construction control network surveyand construction setting out aremodified,and the requirements of completion survey are added.3.The requirementsfoundation treatment and speeial foundation treatment are modified4.The general provisions for construction under special weather conditions,construction undercatastrophie weather,and requirements for the construction of shaft pumping station and submersiblepumping station are added5.The requirements of installation and commissioning of hoist and trash remover,constructionacceptance of pumping station are modified.6.In quality control,the general provisions and the requirements for concrete quality test anddefect treatment are modified,and the requirements for construction safety,environmental protectionand soil and water conservation during construction are not included.This standard is administered by the Ministry of Housing and Urban-Rural Development of thePeoples Republic of China.Drafting Organizations of This Standard:China Irrigation and Drainage Development Center(Address:No.60.Guang 'anmenSouth Street,Xicheng District,Beijing.Postal Code:100054)Anhui Water Resources and Hydropower Survey,Design and Research Institute Co.,Ltd.Wuhan UniversityGansu Water Resources and Hydropower Survey,Design and Research Institute Co.,LtdHubei Institute of Water Resources Survey and Design Co.,LtdHubei Water Resources Research InstituteBeijing Runhua Agricultural Water Technology Development Co.,Ltd.Chief Drafters of This Standard:LI Duanming LUO KebinSHI Zitang CHEN HuatangSUN JiangheWU ChuanhuiWANG Longhua YANG JieCHENG QimingXU Jianzhong LIU LuguangRONG GuangGONG ShiwenChief Reviewers of This Standard:DUAN ShichaoYI ZhongyouYANG JinyingZHANG RentianCHEN WuchunYANG Tierong住房城乡建设部信息ZHU Don方文万浏览专用方方方方万方方万文Contents1General provisions1)2Construction layout2.1 General requirements.......2.2 Methods and requirements of construction layout3Construction survey.......(5ノ3.1 General requirements...5)3.2 Construction control network survey(63.3 Construction setting-out8)3.4 Completion survey......(10)4Foundation construction(12)4.1General requirements(12)4.2Foundation pit drainage(12)4.3Foundation pit excavation(14)4.4Foundation treatment(15)4.5Foundation treatment of(17)4.6(18)Pump house constru(20)5.1General requirement(20)5.2Pump house bottom plate(20)5.3Flow passage(21)5.4(23)5.5(25)万5.6Strengthening and retrofitting of pump house(25)Construction of inlet and outlet structures(28)6.1General requirements........................(28)6.2 Approach channel .....(28)6.3 Forebay and inlet sump(296.4 Outlet pipe foundation and structures......(30)6.5 Discharge chamber and pressure tank(31)6.6 Strengthening and retrofitting of inlet and outlet structures(33)7Construction of other types of pumping stations36)7.1Shaft pumping station....(36)7.2 Cable car type pumping station(37)7.3 Pontoon-type pumping station38)7.4 Submersible pumping station(39)8Construction under special weather conditions(40)8.1 General requirements(40)1万万