【英文标准名称】:StandardPracticeforInstallingRadonMitigationSystemsinExistingLow-RiseResidentialBuildings
【原文标准名称】:在已有的低层住宅建筑中安装氡减轻系统的实施规程
【标准号】:ASTME2121-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E06.41
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:depressurization;radon;radonentry;radonmitigation;radonreduction;Installation--buildingmaterials/applications;Low-riseresidentialbuildings;Radon;Residentialdwellings
【摘要】:Thepurposeofthemethods,systems,anddesignsdescribedinthispracticeistoreduceradiationexposuresforoccupantsofresidentialbuildingscausedbyradonanditsprogeny.Thegoalofmitigationistomaintainreducedradonconcentrationsinoccupiableareasofbuildingsatlevelsaslowasreasonablyachievable.Thispracticeincludessectionsonreducingradiationexposurecausedbyradonanditsprogenyforworkerswhoinstallandrepairradonmitigationsystems.Thegoalforworkersistoreduceexposurestoradonanditsprogenytolevelsaslowasreasonablyachievable.Themethods,systems,designs,andmaterialsdescribedherehavebeenshowntohaveahighprobabilityofsuccessinmitigatingradoninattachedanddetachedresidentialbuildings,threestoriesorlessinheight(seeEPA,x201C;RadonReductionTechniquesforExistingDetachedHouses,TechnicalGuidance(ThirdEdition)forActiveSoilDepressurizationSystemsx201D;).Applicationofthesemethodsdoesnot,however,guaranteereductionofradonlevelsbelowanyspecificlevel,sinceperformancewillvarywithsiteconditions,constructioncharacteristics,weather,andbuildingoperation.Whenapplyingthispractice,contractorsalsoshallconformtoallapplicablelocal,state,andfederalregulations,andlawspertainingtoresidentialbuildingconstruction,remodeling,andimprovement.1.1Thispracticedescribesmethodsforreducingradonentryintoexistingattachedanddetachedresidentialbuildingsthreestoriesorlessinheight.Thispracticeisintendedforusebytrained,certifiedorlicensed,orboth,orotherwisequalifiedindividuals.1.2Thesemethodsarebasedonradonmitigationtechniquesthathavebeeneffectiveinreducingradonlevelsinawiderangeofresidentialbuildingsandsoilconditions.ThesefanpoweredmitigationmethodsarelistedinAppendixX1.Moredetailedinformationiscontainedinreferencescitedthroughoutthispractice.1.3Thispracticeisintendedtoprovideradonmitigationcontractorswithauniformsetofpracticesthatwillensureahighdegreeofsafetyandthelikelihoodofsuccessinretrofittinglowriseresidentialbuildingswithradonmitigationsystems.1.4Themethodsdescribedinthispracticeapplytocurrentlyoccupiedorformerlyoccupiedresidentialbuildings,includingbuildingsconvertedorbeingconvertedtoresidentialuse,aswellasresidentialbuildingschangedorbeingchangedbyaddition(s)oralteration(s),orboth.Theradonreductionactivitiesperformedonnewdwellings,whileunderconstruction,beforeoccupancy,andforuptooneyearafteroccupancy,arecoveredbyGuideE1465.1.5Thispracticealsoisintendedasamodelsetofpractices,whichcanbeadoptedormodifiedbystateandlocaljurisdictions,tofulfillobjectivesoftheirspecificradoncontractorcertificationorlicensureprograms.Radonmitigationperformedinaccordancewiththispracticeisconsideredordinaryrepair.1.6Themethodsaddressedinthispracticeincludethefollowingcategoriesofcontractoractivity:generalpractices,buildinginvestigation,systemsdesign,systemsinstallation,materials,monitorsandlabeling,post-mitigationtesting,anddocumentation.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSection6forspecificsafetyhazards.
【中国标准分类号】:P09
【国际标准分类号】:91_120_99
【页数】:13P.;A4
【正文语种】:英语