GB50015-2003(2009年版) 建筑给水排水设计规范

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•2•

Contents

1GeneraIprov1s1ons······..··········..·························(1)

2Termsandsymbols...........................······............(2)

2.1Terms..........................................................(2)

2.2Symbols······················································(12)

3Watersupply...................................................<17)

3.1Ratedwaterconsumptionandwa.terpressure..··..·....·"·(17)

3.2Waterqualityandcontaminationprevention·....·"·..·..·"·(23)

3.3Systemselection..·..·..·..·..··....··....··..·....·..··.."·..·(26)

3.4Pipematerials.appurtenancesandwatermeters············(27)

3.5Pipingandlaying..·..··..·....··....·······"·"·"·..·(32)

3.6Designnowandhydrauliccalculationofpipe···············(35)

3.7Watertowers,Watertanks.Reservoirs.....................(43)

3.8Pressurizingequipmcnts,pumpstations·..·....··"..·..·..·(45)

3.9Swimmingpoolsandaquaticrecreationpools···············(49)

3.10Coolingwatercirculationandcoolingtowers·..·....··....·(53)

3.,11Waterscape···················································(57)

4Drainage·························································(58)

4.ISelectionofdrainagesystems..·.....·..·..·.....·"·..·····..(58)

1\.2Plumbingfixturesandtraps"·"·"·"·..."··""·"....."·(58)

4.3Pipinglayoutandlaying"·..··....·"··"..·..·"·..·..·..·..·(60)

4.4Hydrauliccalculationofdrainagepipe..··"·"..··""·..·"·(65)

4.5Pipematerials,appurtenancesandmanholes•••••••••0•••••(70)

4.6Ventpipes......................................................(73)

4.7Sewagepumpsandpumppits••••••••••••••••0•••••0••••••••••(77)

•3•

4.8Smalldomr.sricwastewatertreatment···...........·..·..··..(79)

t1,9Rain,vatcr···········································-··········(84)

5Hotwateranddrinkingwatersupply.....·.........·.....(92)

5.IRatedconsumption.temperatureandqualityof

hc>t,varer......................................................(92)

5.2Selectionofhotwatersupply!>ystems"·"··..·..···..·..·..·(97)

5.3Calculationofheatconsumptionhotwaterconsumption

andpowercapabilityofheatingc4uipment...........·...···(100)

5.4Waterheatingandstotage·..·•··..···..·..··.."··....··....·(103)

5.5Calculationofpipenet..·........·..·......·....."·..·...·.....(116)

5.6Pipematerials,appurtenancesandpipinglayout..·..····..·(118)

5.7Drinkingwatersupply..·"·..·"··....·..·..·..·..··"..··..(120)

AppendixADegreeofbackflowhazard&theselection

ofbackflowpreventionfacilities·..............024)

AppendixBMinimumclearancebetweenunderground

pipelines(structure)forresidential

comnlun1.ty...........................................(126)

AppendixCProbabilityformulacalculatingwatersupply

fixtureunitandpeakflow,acvalues

table-················································(127)

AppendixDEquivalentlengthforfrictionlossofvalves

andthreadedfittingsresistance...............028)

AppendixECalculationtablefordesignflowofwater

supplypipinginL/S...·.......·..............·..·029)

AppendixFCalculationforthenumberofsimultaneously

usedrinkingwatertaps...·....................(143)

Explanationofwordinginthiscode.....·.....·...........·..·(145)

Listofquotedstandards..........................................(146)

Addition:Explanationofprovisions.....·..·..·.....··....·..·(147)

•4•

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