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摘要本设计是西安科技大学综合办公楼的建筑给排水设计，主要包括给水系统、排水系统、消防系统和雨水系统四个部分。给水系统采用分区供水，地下一层到地上三层为低区，由市政管网直接供水。四层到十四层为高区，高区由变频水泵加压供水；排水系统采用的是污、废合流制，粪便污水需经化粪池处理后排入城市污水管网，洗浴废水直接排入城市污水管网，建筑高层主体屋面雨水采用内排，屋面雨水排入城市雨水管网，地下设备间排水采用污水泵提升至室外城市污水管网；消防系统设计成消火栓灭火系统，火灾初期10min的水由消防水箱供给，正常供水由消防水泵从贮水池内抽取；给水管和排水管分别采用PP-R管和铝合金UPVC复合管，消防系统中室内消火栓给水系统采用普通碳素无缝钢管，自动喷水灭火系统采用内外壁热镀锌钢管，室外消火栓系统采用给水铸铁管，热水系统采用薄壁铜管。关键词：建筑给排水；给水系统；排水系统；消防系统；雨水系统AbstractThisdesignisthewatersupplyanddrainageofacomprehensiveofficebuildinginhunanuniversityofscienceandtechnology,completingthedesignofthewatersupplysystemanddrainingthesystem,firefightingsystemandrainwatersystem..Thewatersupplysystemadoptioncentareasupplywater.Thefristlayerofundergroundto1-3layerofgroundistakencareofthedirectwatersupplybythemunicipalpipenet.4-14lowareasofthelayersishighareawhichwaterispressurizedbythevariablefrequencypump;drainagesystemisusedinsewage,wasteconfluencesystem,fecalsewagedischargedintourbansewagepipenetworksubjecttotheseptictanktreatment,bathingwastewaterdirectlydischargedintotheurbansewagepipenetwork,buildinghigh-levelmainroofrainwaterusingrow,roofrainwaterdischargedintothemunicipalstormsewerdrainagesewagepumpupgradetooutdoorurbansewagepipenetworkbetweenundergroundequipment;thefirefightsystemdesignbecomestoeliminatethefiretobolttoextinguishfirethesystem,afirewateroftheearly10minsissupplybythefirefightwatertank,normalthewatersupplybepumpedbythefirefightPumpfromtheSavingpond.ThewaterpipeanddrainpipesrespectivelyadoptthePP-RtubeandthealuminumUPVCcompositetubes,fire-fightingsysteminanindoorfirehydrantwatersupplysystemofordinarycarbonseamlesssteelpipe,automaticsprinklersysteminsideandoutsidewallheatgalvanizedsteel,outdoorfirehydrantsystemusesawatersupplycastironpipes,hotwatersystemusesathin-walledcoppertube.Keywords:watersupplyanddrainageofbuildings;watersupplysystem;drainagesystems,fireprotectionsystem;rainwaterdrainagesystem.目录第1章工程概况及设计资料..................................................................................................11.1设计题目..........................................................................................................................11.2目的和作用......................................................................................................................11.3设计任务..........................................................................................................................11.4设计文件及设计资料......................................................................................................11.5毕业设计工作内容..........................................................................................................21.6设计成果要求..................................................................................................................2第2章设计说明书..................................................................................................................42.1生活给水系统..................................................................................................................42.1.1相关规范...................................................................................................................42.1.2竖向分区...................................................................................................................42.1.3方案确定...................................................................................................................52.1.4系统组成...................................................................................................................52.1.5管道布置与敷设.......................................................................................................62.2消防系统..........................................................................................................................82.2.1相关规范...................................................................................................................82.2.2建筑物类别和火灾危险等级的确定.......................................................................92.2.3室内消火栓给水系统.............................................................................................102.2.4自动喷水灭火系统.................................................................................................112.2.5室外消防给水系统.................................................................................................132.2.6管道的布置与敷设.................................................................................................142.2.7消防管材.................................................................................................................152.3雨水系统........................................................................................................................162.3.1系统的组成..............................................................................................................162.3.2屋面雨水系统的设计流态及划分..........................................................................162.3.3屋面雨水排水各系统的特点..................................................................................162.3.4高层商住楼屋面雨水排水系统选择............................