二、設計依據及設計范圍Designcodeandscope1.設計依據：Designspecification

1）國家現行有關給排水消防和衛生等設計規范及規程；Nationalcurrentdesigncodeforfireprotectionofwatersupply,drainageandsanitation;2）本工程初步設計及相關主管部門的審批意見和要求；Initialdesignandaudit&approvalsuggestionsandrequirementsfromrelevantdepartmentsincharge;3）建設單位提供的使用要求及市政條件；Requirementsofferedbyconstructionunitandmunicipalgovernment;4）本工程其它專業提供的條件圖及設計資料；Conditiongraphanddesignmaterialofferedbyotherspecialtiesofthisproject;2.本工程設計范圍包括：Designscope工程用地紅線范圍內建筑內部，外部給水工程（包括生活冷水、熱水），排水工程（包括生活污水，糞水，雨水）。Insideandoutsidewater-supplyproject(includingresidentialcoldandhotwater)anddrainageproject(includingwastewater,shitwaterandrainwater)withinRedLineinplanning.三、室內生活給水系統IndoorWater-supplysystemI．冷水給水系統Coldwatersupplysystem1.最高日用水量（）m3/d,最大時用水量（）m3/h,市政給水管網壓力（）MPa。Maximumdailywatersupplyvolume（）m3/d,maximumwatersupplyvolumebyhour（）m3/h,municipalwatersupplynetworkpressure（）MPa。2.供水分區及供水方式：Watersupplynetworkandwatersupplyways根據建筑物的高度以及提供舒適使用水壓的要求，分設1個豎向供水區；Asperthebuildingheightandrequirementsofprovidingcomfortablewaterpressure,setanindependentverticalwatersupplyarea.生活給水由市政壓力給水,經設置于首層的玻璃鋼水箱儲存后用管道泵加壓至天面水箱再經管道泵加壓供至一二層；Providingbymunicipalgovernmentandstoringbyglasswatertank,residentialwaterispressurizedtoroofwatertankbypipepump,andthensupplytothefirstfloorandsecondfloorafterpressurizingbypipepump.室內給水管管材及接口；Indoorwater-supplypipematerialandjoint室內配水支管：PP-R管，熱熔連接；Indoorbranchpipe:PP-Rpipe,hot-meltingconnection;2）室內供水主立管及配水橫干管：鋼塑復合給水管，螺紋連接；Mainverticalpipeandhorizontaltrunkpipeofindoorwatersupply:Steel-plasticcompoundpipesinWaterSupply,threadedconnection;6.分戶水表后的給水冷熱水管暗設于墻內或埋設于樓板面的找平層內，施工完畢后，應在暗裝位置做標記；裝修時，墻壁樓板上釘釘須核實暗裝管道位置，以免破壞管道。Hot/coldwatersupplypipebehindhouse-distributionwatermeterisburiedinwallorburiedinconcretescreedoffloor.Afterinstallation,thesecretfixingpositionshouldbemarked.Whiledecoration,whenhittingnail,it’snecessarytocheckwhetherthereispipeornot,soastoavoiddamagingpipe.7.水池、水箱通氣管使用不銹鋼管；衛生潔具應選用優質節水型產品。Airpipesofpondandwatertankaremadeofstainlesssteal.Sanitarywareshouldbegoodatsavingwater.8.管道系統試壓：室內給水管道試水壓力（1.0）MPa;Pressuretestforpipesystem:indoortestingpressureforpipeis（1.0）MPa;II．熱水系統Hotwatersystem分散熱水供應（分戶安裝電熱水器供應熱水）；Distributinghotwatersupply(installingelectricwaterheaterandsupplyhotwaterbyhouse);管材及接口：選用PP-R管，電熔或熱熔連接；Pipematerialandjoint:PP-Rpipe,electric-meltingorhot-meltingconnection;四、室內生活排水系統Indoorresidentialdrainagesystem1.最大日排水量（）m3dh,最大時排水量（）m3h；Maximumvolumeofdailydrainage（）m3dh,Maximumvolumeofdrainagebyhour（）m3h;本工程排水體制：糞污合流，雨污分流；Drainageprincipleforthisproject:shitandsewageareconfluence,rainwaterandsewagearediffluence.本工程污，糞水排水立管管材采用：UPVC排水管膠水粘接（）；Shitandwastewaterverticalpipe:UPVCdrainagepipebondedbyglue.5.雨水排水系統：Drainagesystemofrainwater屋面雨水，陽臺露臺及雨蓬等雨水經雨水立管排至室外地坪；陽臺雨水管采用UPVC排水管，膠水粘接；Rainwateronroof,balconyandraincanopywouldbedrainedtooutdoorgroundthroughrainwaterverticalpipe;balconyrainwaterpipeisUPVCdrainagepipebondedbyglue.6.室內排水管道的連接，應符合下列要求：Indoordrainagepipesshouldbeconnectedasthefollowingrequirements:橫支管與橫管的連接，應采用45°斜三通或45°斜四通。HorizontalbranchpipeandhorizontalpipeshouldbeconnectedbyTpipewithanangleof45°,orbyfour-waypipewithanangleof45°.橫管與立管的連接應用45°斜三通或45°斜四通和順水三通或順水四通。HorizontalpipeandverticalpipeshouldbeconnectedbyTpipewithanangleof45°,orbyfour-waypipewithanangleof45°andsweepjunctionorcrossjunction.橫管90°水平轉彎；主管與出戶管端部的連接，應采用兩個45°彎頭。Horizontalpipebends90°inhorizontaldirection;mainpipeandout-houseterminalshouldbejointedbytwo45°bendheads.出戶管放大一檔時，應在立管上變徑后再接彎頭；Onestepincreasedforout-housepipe,diameterofverticalpipeshouldbeadjustedandthenconnectwithbendhead.排水立管卡箍固定件間距為3米，層高小于或等于4米，立管可安一個固定件，一般在立管底部的彎管處，應設計支墩或支撐。Distancebetweenfixinghoopsofverticaldrainagepipeis3m.Toverticaldrainagepipewhosestoreyheightisnomorethan4m,wecansetafixinghooponit.Normally,abuttressorsupportneedstobesetatthebendpipe,whichisatthebottomofverticalpipe.層高小于4m的UPVC排水立管每層設一個伸縮接頭；通常情況每3米設一個。AstoverticaldrainageUPVCpipewhosestoreyheightislessthan4m,weshouldsetanflexiblejointforeachlayer;normally,each3mneedsanflexiblejoint.排水立管檢查口安裝高度距地面1米，安裝位置見設計圖紙；明裝彎頭，存水彎選用帶檢查口的。Checkopeningofverticaldrainagepipeshouldbeinstalled1mhighfromground.Pleaseseedesigndrawingofinstallationlocation.Surface-mountedbendheadandtrapwatersealshouldbewithcheckopening.9.排水塑料管支，吊架間距表：Supporthangers’clearanceofplasticdrainagepipe公稱直徑(mm)Nominaldiameter(mm)最大間距（m）Maximum橫管Horizontalpipe干管mainpipe支管Branchpipe立管Verticalpipe1.1室內排水管安裝完后，應按有關規范進行灌水試驗；Water-fillingtestshouldbeconductedafterinstallationofindoordrainpipe.1.2衛生潔具構造內存水彎，配套存水彎及帶水封地漏，其水封深度不得小于50mm；Sanitarywareincludestrapwaterseal,andwatersealheightshouldbenolessthan50mm.1.3排水橫管坡度在圖中如無標注，按下表取值；Iftheratioofslopeofhorizontaldrainagepipedoesn’tshowninthedrawing,pleasegetvaluefromthefollowingform:直徑（mm）Diameter(mm)標準坡度（%）Standardgradient(%)最小坡度（%）Minimumgradient(%)若無特別標明或特殊需要，請按標準坡度安裝，此表對室外井前管道同樣適用。Allshouldbeinstalledbasedonstandardsloperationotherwisementioned.Thisformisalsoapplicableforoutdoorpipeinfrontofwell.七、建筑滅火器配置FireExtinguisherConfigurationofBuilding1.本工程按中火災危險級，火災種類為A類；ThisprojectisbasedonMediumDangerousFireLevel,withfiretypeofA.2.本建筑滅火器設置規格；磷酸鹽干粉滅火器MF/ABC4；Specificationofthisbuilding’sextinguisherconfiguration:PhosphatedrypowderfireextinguisherMF/ABC4；八、施工安裝及驗收InstallationandAcceptance衛生設備應遵循相關國標圖集的技術要求，并結合設備安裝施工；SanitationfacilitiesshouldmeettechnicalrequirementsoftheNationalStandardDrawing,aswellasconsideringequipmentinstallation.沿墻，柱或板下明裝的給水，熱水管道的支，吊架的間距如下：Pleaseseebelowtheclearancebetweensupporthangersofwatersupplypipeandhotwaterpipesurface-mountedalongwall,pillarorunderplate:塑料管及復合管plasticpipeandcompoundpipe公稱直徑(mm)Nominaldiameter(mm)最大間距（m）Maximumclearance水平管Horizontalpipe立管Verticalpipe管道穿過墻壁，樓板，應設置金屬或塑料套管。Pipesshouldbeequippedwithmetalorplasticsleevewhilepassingwallorfloor.圖例Legend圖例Legend名稱Name圖例Legend名稱Name圖例Legend名稱Name生活冷水管Domesticcoldwaterpipes水表井或水表（節點）Water-metershaftandwater-meter(node)淋浴頭Showerhead熱水給水管Hotwater-supplypipe水表Watermeter地漏Floordrain污水管Wastepipe熱水器Waterheater清掃口Cleanout廢水管Wastewaterpipe吸水喇叭口Suctionevase雨水口（單）Gully(single)雨水管Rainwaterpipe防火套管Fireproofingsleeve給水立管Feedriser閘閥Gatevalve偏心大小頭Eccentricreducer熱水立管Hotwaterriser碟閥Discvalve同心大小頭Concentricreducer熱水回水立管Hotwaterreturnriser截止閥Stop-valve雨水斗Rainwaterfiller污水立管Verticalpipeforsewage止回閥Retainingvalve通氣帽Ventilatedcap廢水立管Verticalpipeforwastewater電動遙控閥Electricremotecontrolvalve排水漏斗Drainfunnel雨水立管Rainwaterriser浮球閥Ballclock存水彎Watertrap冷凝水管Condensationpipe水力遙控浮球閥ydraulicremotecontrolvalve立管檢查Checkingtheriser立式洗臉盆Verticalwashbasin排氣閥Exhaustvalve延時自閉沖洗閥Time-delayself-closingflushingvalve浴盆Tub過濾器Filter壓力表Pressuregauge污水池Sewagepond金屬波紋管Metallicbellowspipe立式水泵Verticalwaterpump蹲式大便器Squattingwcpan可曲繞橡膠接頭Rubberjoint水龍頭Waterfaucet坐式大便器S