《建筑设计防火规范》问题探讨 6页

《建筑设计防火规范》问题探讨DiscussiononthecodeforfireprotectionofarchitecturaldesignWiththepracticeofwork,thispaperpointsoutthe5.1.3garageinthecodeforfireprotectionofbuildingdesignThefirezoneareashouldbeclearlydefined;Article8.8.5multi-storeybuildingswithinthegeneratorroomshouldbesetinwatersprayextinguishingsystem;the8.6.2indoortemporaryhigh-pressurefirewatersupplysystemintheindoorfirewater10L/sasthecut-offpointtodifferentiatewhethersetfirepump:andproposedamendmentstoappendixa"business"nounexplain.Keywordsarchitecturaldesign;firecode;revision;discussion;1,"constructionregulations^and/zgaragefirecode"relationshipThebuildingregulations(GBJ16-87)didnotprovideexplicitfireprotectionregulationsforthegaragesbuiltinsidethebuilding.5.1.3ofthecodeofConstruction:〃basementandsemibasementofabuildingshallbedividedintofirezonesofnomorethan500m2bymeansoffirewalls・〃“.And，zgarage,garage,parkingdesignfirecode"(GB50067-97)(referredtoas/zgaragefirecode")article5.1.・・Themaximumallowableconstructionareaofeachfirezoneshallconformtotheprovisionsoftable5.1.1,asspecifiedintable5.1.1,〃fireresistanceratingisoneortwo",andthemaximumallowableconstructionareaoffirepreventionzoneforundergroundgarageis2000m2."Firestandards^garagesection5.1.2garageareequippedwithautomaticfireextinguishingsystem,themaximumallowableconstructionareaoffirezonecanformaccordingtothestandarddouble"5.1.1\nregulations-undergroundgaragefiredistrictmaximumallowableconstructionareaofupto40000m2,andthe''buildingregulations"provisionsofadifferenceof8times・〃4・1.8"一(GB50045-95)inthe"high一risebuildingsinthecarpark'',thedesignshouldbeinlinewiththeexistingnationalstandards'"garagedesignfirecode"requirements〃・Ithinkthisprovisionisabitvague・Itdoesnotspecifywhetheritisnecessarytomeettherequirementsofthe"highstandard"atthesametime・AccordingtotheimplementationofXiamenCity,theundergroundparkinggarageonlymeetsthefirecodeofgarage・Therefore,Isuggestthatinthe''buildingregulations，zshouldbeaddedtoacomprehensiverevision:locatedinmulti-storeybuildingsinthegarage,thedesignshouldmeettherequirementsofcurrentnationalstandardgarage,garage,parkinglotdesigncodeforfireprotection";garagefire,smokeareawillnotbebuilt"”limitgauge・2,multistoreycivilbuildingowngeneratorroom,needwatersprayprotection?Article8.8.5ofthecodeofconstruction〃・・・Afirepumpstationorpumphousewithasparepumpshallbeequippedwithpower・Ifthepowersupplyofdoublepowersupplyordoublecircuitisdifficult,theinternalcombustionenginecanbeusedaspower〃・Theprovisionsofarticle10.1.1shouldbebasedontheoneortwoloadpowerinwhatcircumstances,whenthesupplycannotmeettherequirements,shouldsetupaselfgeneratingequipmenthasmadeitclearthatwhenthegeneratorisprovidedwithapluralityoflayersincivilbuildingsshouldbeusedwhenthefireextinguishingmeasures''buildingregulations"doesnotrequire,Ithinknomatterinmultilayergeneratorincivilbuildingsor\nhigh-risebuildings,thefirehazardofitsownaresimilar・Therefore,Isuggestthat,withreferencetoarticle7.6.6ofthehighstandard,thereisoneadditionalprovisioninthecomprehensiverevisionofthebuildingcode:theself-containedgeneratorroominamultistoreycivilbuildingshallbeequippedwithawatersprayfireextinguishingsystem・3firepumpsettings''Buildingregulations"article8.6.2ninth"tanknottallindustrialbuildingotherbuildingsmeetthemostunfavorablepointfirehydrantwaterpressure,shouldsetupadirectfirepumpstartbuttonineachfirehydrant,andshouldbeprotected".Rule8.6.3〃・・・Setuptemporaryfirewatersupplysystembuilding,firetankshouldbesetup.・・〃・Mostofthebuildingswithrooffirewatertanksaregenerallydifficulttomeetthewaterpressurerequirementsofthemostdisadvantageoushydrant・Therefore,fromthe''constructionregulations"article8.6.2canbeunderstoodashigh-riseindustrialbuildingsandotherbuildingswithrooffirewatertank,almostallsetfirewaterpump.Afirepumpisnecessarytosetupthefirepool(becausemostofthecityarenotallowedtopumpingdirectlyfromthemunicipalwatersupplynetwork);withthestandbypumpconstructiontosetupdoublepowerordoublelooppowersupply,whichisalotofcitypowersectorofmulti-storeybuildingsaredifficulttotakecareof,soalsoneedtosetuptheirowngeneratorsforpower・Forlargebuildingsandsmallbuildings,importantbuildingsandordinarybuildings,firepumpsarealsorequiredtoruncontrarytothespiritof"easytouse,economicalandreasonable^asstipulatedinarticle1.0.2ofthebuildingregulations・Temporary\nhigh-pressurefirewatersupplysystemisarrangedintherealityoflifeinthemulti-storeyresidential,officebuildingsandothercivilbuildingsmostofYuhasonlytherooffirewatertank,firepumpisnotset,"buildingregulations"article8.6.2non-existent・Therefore,itissuggestedthattheclause8.6.2oftheconstructioncodebemodified,andtheindoortemporaryfirehydrantwatersupplysystemshallbeusedtodeterminewhetherfirewaterpumpsarerequiredtobesetatthedemarcationpointoftheindoorfirewaterconsumption10L/S・(1)whentheindoorfirewaterislessthanorequalto10L/S,lOminonlyneedtoconsidertheindoorfirewaterfireearlywaterstoredrooffirewatertank・Forthesakeofsafety,theindoorhydrantwatersupplysystemneedstobeconnectedwithanoutdoorfirewatersupplynetwork,andawaterpumpconnectorisprovided・Becausethedomesticillegallane,illegalbuildingisrelativelyserious,thefirechannelisoftenoccupied,firetrucksometimesdifficulttoarrivewithinlOmin.Whentheindoorfirewaterislessthan10L/S,smallfirehazard,fuelisnotmuch,thennoneedtosettheinitialpressurestabilizingdevice・(2)whentheindoorfirewaterisnotlessthan10L/S,inadditiontoindoorsettingsmustbeinaccordancewiththeprovisionsofroofwatertank,alsoneedtoconsiderthefiredurationintheindoorfirewater,setthefirepumpandpumpcombinationdevice,anddirectfirepumpstartbuttonsetineachfirehydrant,thestartbuttonshouldbeprotected,whentheoutdoorwatersupplynetworkdoesnotallowdirectpumpingoroutdoorwatersupplypipenetworkofwatersupplycapacitycannotmeettheindoorandoutdoorfirewaterandfirewater,mustbesetup.Whentheindoorfirewaterisnotlessthan20L/S,needtosettheinitialpressure\nregulatedfacilities・4thequalitativeproblemofmezzaninebusinessfloorAtpresent,manyoftheresidentialfloorwithcommercialestablishments,andbusinesspremisesoftenwithmezzanine,andsomebuildingsevenwithtwoorthreelayersofmezzanine,storeyhighto6-9m.Howtodeterminethe"superhigh"commercialplacewithmezzaninewillaffectthewaterconsumptionofindoorfirehydrantdirectly.''Buildingregulations"inAppendixA^commercialservices"toexplainthe''constructionareaofnotmorethan300m2,thedepartmentstores,groceryandfoodstores,postal,savings,restaurants,barbershops,shopsandotherpublicservicerepairroom〃・Article8.4.1ofthebuildingregulationstipulatesthatthefollowingbuildingsshallbeequippedwithindoorfirewatersupply：・・・Four,morethan7residentialunittypelayer,unithousingmorethan6storeyresidentialtower,thebottomhasacorridorstyleresidential,commercialoutlets；・・・〃"Buildingregulations"provisionsoftable8.5.27~9storeyresidentialindoorfirehydrantwaterfor5L/S;morethan6layersorvolumethan10000m3otherbuildingindoorfirehydrantwaterfor15L/S・"Bu订dingfirehydranttwobuildingregulations^provisionsofarticle7.2.2ofthebuildingheightislessthan50minwater20L/S,canbeseenfromtheseregulations,commercialbusinesspremisesisdefinedascommercialserviceoutletsorshoppingmalls,theindoorwaterhydranthasgreatinfluence・TheprovisionsinchargeoftheFireDepartmentofXiamenCity,residentialfloorstorefrontceiling(floorbottomheight)isless\nthanorequalto3.90Mcommercialbusinesspremisescanbecountedascommercialserviceoutlets;residentialfloorstorefrontis>3.90mcommercialbusinesspremisestocommercialservicenetworkcannotbeappliedtoqualitative,"buildingregulations"provisionsofarticle8.4.1offourthpoints,andshouldbebasedontheheightofthebuildingandtodeterminethenumberofnonlayerbuildingsformulti-storeyorhigh-risebuildings,indoorwaterhydrantaccordingtorelevantprovisions・Theabovedefinitionmakesthedefinitionofthebusinessservicenetworkmorespecific,Putanendtosomedeveloperswillbepickeduptothebottomoftheshophasbeen6-9m,buildingheightofmorethan24mresidential,stillapplytothebottomwithcommercialnetworksmulti-storeyresidentialfortification,soastoleavefiretrapped・Therefore,itissuggestedthattheterm"'commercialservicenetwork7'shouldbeinterpretedmorestrictlyinthecomprehensiverevisionofthebuildingcode,ortherelevantcontentwi11beaddeddirectlywithinthestandardprovisions・Theabovepointsareinmyworkonthespecificconstructionof"buildingdesignfirecode"intheprocessofseveralproblemsoftenencounteredinthehopethatthe^constructionregulations"revisedsomehelp・Reference：JianhuaZhu,andsoon''buildingdesignfirepreventionregulations"inthefirewatersupplyproblemsdiscussed,watersupplyanddrainage,1999,25(12);54-56