【astm標(biāo)準(zhǔn)】e 2270 - 14

1、Designation:E2270?14StardPracticefPeriodicInspectionofBuildingFacadesfUnsafeConditions1ThisstardisissuedunderthefixeddesignationE2270thenumberimmediatelyfollowingthedesignationindicatestheyearofiginaladoptioninthecaseofr

2、evisiontheyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperepsilon()indicatesaneditialchangesincethelastrevisionreapproval.1.Scope1.1Thisstardpracticecoversmethodsproceduresfinspectionevaluat

3、ionreptingfperiodicinspectionofbuildingfacadesfunsafeconditions.Inthecontextofthispracticeunsafeconditionsarehazardscausedbyresultingfromlossoffacadematerial.1.2Thisstardpracticedoesnotpurpttoaddressthenatureofdeteriatio

4、nofvariousbuildingfacadematerialsntheperfmanceoftheirassemblies.Itistheresponsibilityoftheownertoretainaqualifiedprofessionalwhocandemonstrateexpertiseintheevaluationofvariousfacadematerialstheirassemblies.1.3Investigati

5、vetechniquesdiscussedmaybeintrusivedisruptivedestructive.Itistheresponsibilityofthequalifiedprofessionaltoanticipateadviseonthenatureofprocedurestoplanfimplementingrepairasnecessary.1.4Itistheresponsibilityofthespecifyin

6、gauthitytoestablishtheusageofthisstardpracticetosupplementthispracticewithadditionalrequirementssuitabletoitslocaljurisdiction.Itisalsotheresponsibilityofthespecifyingauthitytodeterminecompliancewithlocallicensingregulat

7、ionscustomarypractices.1.5Thevaluesstatedininchpoundunitsaretoberegardedasstard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedfinfmationonlyarenotconsideredstard.1.6Thisstardmayinvolvehazar

8、dousmaterialsoperationsequipment.Thisstarddoesnotpurpttoaddressallofthesafetyconcernsifanyassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstardtoestablishappropriatesafetyhealthpracticesdeterminetheapplicability

9、ofregulatylimitationspritouse.Awarenessofsafetyfamiliaritywithsafeproceduresareparticularlyimptantfabovegroundoperationsonfacadesdestructiveinvestigativeprocedureswhichtypicallyareassociatedwiththewkdescribed.2.Reference

10、dDocuments2.1ASTMStards:2E631TerminologyofBuildingConstructions3.Terminology3.1RefertoTerminologyE631.3.2Definitions:3.2.1categiesoffacadeconditions:3.2.1.1dinarymaintenance—aconditionidentifiedatthetimeofinspectionthati

11、snotacterizedasan“unsafecondition”“requiresrepairstabilization”butrequiresmaintenance.3.2.1.2requiresrepairstabilization—aconditionidentifiedatthetimeofinspectionthatshallberepairedstabilizedindertopreventprogressioninto

12、an“unsafecondition”pritothenextscheduledinspection.NOTE1—Theimmediacyofactionstoaddressconditionsrequiringrepairotherthanunsafeconditionsishighlyvariableshouldbedeterminedbytheowner.Suchdeterminationmayrequiremedetailedi

13、nvestigationthanaddressedhereintoassesstheurgencyofsuchaction.3.2.1.3unsafecondition—aconditionidentifiedatthetimeofinspectionofacomponentsystemthatpresentsanimminentthreatofharminjurydamagelosstopersonsproperty.3.2.2fac

14、ade—allareasontheexteriofthebuildingexceptfhizontalroofareas.Thefacadeincludesallexteriwallswindowsbalconiescnicesparapetsappurtenances.Thefacadealsoincludeswallssupptedatrooflevelsuchaspenthousewallschimneyssofth.3.2.3f

15、acadeage—numberofyearssincetheiginalCertificateofOccupancyfbuildingwasissuedsinceentirefacadereplacement.1ThispracticeisunderthejurisdictionofASTMCommitteeE06onPerfmanceofBuildingsisthedirectresponsibilityofSubcommitteeE

16、06.55onPerfmanceofBuildingEnclosures.CurrenteditionapprovedSept.12014.PublishedOctober2014.iginallyapprovedin2003.Lastpreviouseditionapprovedin2013asE2270–13.DOI:10.1520E227014.2FreferencedASTMstardsvisittheASTMwebsiteww

17、w.astm.gcontactASTMCustomerServiceat.FAnnualBookofASTMStardsvolumeinfmationrefertothestard’sDocumentSummarypageontheASTMwebsite.Copyright?ASTMInternational100BarrHarbDrivePOBoxC700WestConshohockenPA194282959.UnitedStates

18、1infmationgatheredintheprecedingstep.Eachactivityisdiscussedinsectionsbelow:SectionReviewofProjectDocuments6PreparationofInspectionDrawings7DeterminationofServiceHisty8AssessmentofWatertightIntegrity9FacadeInspection10Re

19、ptingProceduresfUnsafeConditions11StardReptingProcedures12MaintenanceofRepts13FrequencyExtenttheRequiredLevelofPeriodicInspectionofBuildingFacadesfUnsafeConditionsAnnexA1DetailedAssessmentofWaterTightnessIntegrityofExter

20、iFacadesAppendixX16.ReviewofProjectDocuments6.1ReviewavailableprojectdocumentsprovidedbytheOwnerincludingiginalarchitecturalstructuralshopdrawings.6.2Thequalifiedinspectshallverifythatsuchdocumentspertaintothesubjectbuil

21、dingfacades.6.3Buildingfacadesespeciallyhisticolderbuildingsmayhavebeendetailedinaccdancewithcommonpracticesofthetime.Suchinfmationmaybeavailableinbuildingconstructiondesignreferencebooksdatingbacktotheiginalconstruction

22、ofthefacade.7.PreparationofInspectionDrawings7.1Pritobeginningthefacadeinspectionthequalifiedinspectshalloverseetheacquisitiondevelopmentofsufficientdrawingsfdocumentationoftheinspectionfindings.7.2Asaminimumthefollowing

23、infmationshallbeincluded:7.2.1Plotplanshowingrelationshiptoadjacentpropertiespubliclyaccessibleareas7.2.2Groundlevelfloplan7.2.3Supplementalfloplansifthefootprintchangesbetweenthegroundroof7.2.4Elevationdrawingsofthefaca

24、destobeinspected7.2.5Penthouselevelmainroofplan7.2.6Typicalwalldetails.7.3Drawingdevelopmentusingdigitalphotographyperspectivecrectedphotographyotherphotographicmethodsanycombinationthereofareacceptableaslongasthedrawing

25、sprovideacleardepictionofthefacade.7.4Inthecaseofafacadeinspectionthatisprecipitatedbydiscoveryofanunsafeconditiontheinspectionshallnotbedelayedtoacquirepreparedrawings.8.DeterminationofServiceHisty8.1Theservicehistyofaf

26、acadeincludespreviousmaintenancerepairsmodificationsperfmanceissuesinfmation.Gatheringdocumentationofthishistyaspartofafacadeinspectionprogramservesthefollowingpurposes:(a)reviewconfirmationofpreviousfindings(b)identific

27、ationofwallareasfacadedetailsthatmayhavebeenrepairedbeyondthescopeofnmalmaintenancemayindicateanunderlyingproblem(c)understingofpastpresentwaterinfiltrationactivitywhichcanfocusattentiononfacadeareaswhereconcealeddamagei

28、slikely(d)priitizationofinspectionareas.8.2Asaminimumtheownershallprovidewherefeasibletheinspectshallreviewthefollowinginfmationaboutthefacadeobtainedfrommaintenancerecdsinterviewswiththebuildingownermaintenancepersonnel

29、maintenancecontractsanycombinationthereofengineersarchitectsinvolvedinpastinspectionsrepairs:8.2.1Perfmanceproblemssuchasleaksruststainsefflescencecrackingspallingbowingsofth8.2.2Prirepairsnotedrepeatedrepairs8.2.3Previo

30、usfacadeinspectionrepts.9.AssessmentofWatertightIntegrity9.1Qualifiedinspectshallperfmacursyinterileaksurveyoftheexterifacades.Theinfmationobtainedfromtheleaksurveyfromthereviewoftheservicehistyofthefacadeisusefulininglo

31、cationsfdetailedinspectionprobes.IfthespecifyingauthitiesrequireamethoughassessmentrefertotheguidelinesinAppendixX1.10.FacadeInspection10.1Facadeinspectionsarecategizedbytwolevels:generalinspectiondetailedinspectionasdef

32、inedinSection3notedbelow.Acombinationofgeneraldetailedinspectionisrequiredfafacadeinspection.Selectionoffacadeinspectionlevelfrequencyisdependentuponthefacadeagematerialsconstructionservicehistyofthefacade.Unlessotherwis

33、edeterminedbythespecifyingauthityuseAnnexA1todeterminescopeofinspection.Detailedinspectionshallbeonareaswithgreatestexposurerisktopersonsproperty.10.2Documentation—Regardlessoftheinspectionleveleddocumentoverallappearanc

34、eofthefacadeallsignificantcategized(unsafeconditionsrequiresrepairstabilizationdinarymaintenance)observationsonthepreparedinspectiondrawingsbyphotographs.10.3GeneralInspections—Generalinspectionisvisualobservationoffacad

35、ecomponentsfromdistancesequaltogreaterthan6ft(1.8m)withwithoutmagnificationremoteopticaldevices.Thequalifiedinspectshallmethodicallyscanfacadeareascheckfoutofplanedisplacementoffacadeelementswhilescanningthefacadehizonta

36、llyvertically.10.4DetailedInspection—Baseduponthefindingsofthegeneralinspectionthereviewofprojectdocumentstheservicehistythequalifiedinspectshallchoosetherepresentativeareastoreceivedetailedinspection.Detailedinspectioni

37、svisualobservationtactileevaluationoffacadecomponentsincludingprobingNDTtoobserveconcealedconditionsofwallconstruction.Thislevelofinspectionrequirestactilecontactwithfacadeelements.Thequalifiedinspectshalluseataminimumth