基本信息
标准名称: | 特辅机武备机械加工工时定额 钻工 |
中标分类: |
船舶 >>
船舶综合 >>
经济管理 |
ICS分类: |
造船和海上建筑物 >>
船舶和海上建筑物综合 >>
造船和海上建筑通用标准
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发布日期: | 1900-01-01 |
实施日期: | 1978-01-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
出版日期: | 1900-01-01 |
页数: | 25页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 船舶 船舶综合 经济管理 造船和海上建筑物 船舶和海上建筑物综合 造船和海上建筑通用标准
【英文标准名称】:StandardSpecificationforAir-FedProtectiveEnsembles
【原文标准名称】:自供气全套防护装备的标准规范
【标准号】:ASTMF2704-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:F23.30
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:air-fedprotectiveensemble;biologicalhazards;BiosafetyLevel4;chemicalhazards;protectiveensemble;radiologicalparticulatehazards;respiratoryprotectiveequipment
【摘要】:Aswithotherhazardousmaterialsprotectiveensembles,air-fedprotectiveensemblesincludeclothingandequipmentitemsneededfordermalandrespiratoryprotection,includingprotectivesuits,gloves,footwear,andeye/faceprotection.Unlikeotherprotectiveensembles,air-fedprotectiveensemblesdonotuseseparaterespiratoryprotectivedevicessuchasself-containedbreathingapparatus(SCBA)ornon-poweredair-purifyingrespirators(APR''s).Thosetypesofrespiratorsnormallyhaveatightfittingfacepiecethatprovidesinhalationhazardprotectionanddermalexposureprotectiontotheface,eyes,nose,andmouth.Air-fedprotectiveensemblesarewornwithouttheuseofaseparaterespirator.Theentiresuitservesastherespiratoryprotectivedeviceandalsoprovidesdermalexposureprotection.Thewearerbreathessuppliedairorfilteredairpumpedintotheprotectivesuit.Air-fedprotectiveensemblesareusedtoprotectworkersinanumberofapplications.Theseinclude,butarenotlimitedto:chemicalandpharmaceuticalmanufacturing,remediationofhazardousmaterialssites,useagainsthighlyinfectiousbiologicalagentsinBioSafetyLevel4laboratories,andforprotectionofworkersinvolvedinnuclearfacilities,whereitispossibleradioactiveparticleswillbeencountered.TherequirementsofthisspecificationhavebeenpartlybasedontheNFPA1991Standard,whichestablishescriteriaforvapor-protectiveensemblesusedinhazardousmaterialsemergencies.NFPA1991establishesrequirementsforaprotectiveensemblethatencapsulatesthewearerandthebreathingapparatus.Inthisspecification,abreathingapparatusisnotworninsidethesuit,butinsteadbreathingairisconnectedtothesuiteitherviaanexternalairlineorrespiratoryprotectiveequipmentthatisexternallyconnectedtothesuitwall.Extensivecriteriafortheintegrityoftheoverallensembleareappliedthroughdesignandperformancecriteria.Thisallowsfordifferentconfigurationsofaprotectiveensemblethatincorporatesahoodedvisor,protectivegloves,protectivefootwear,andtherespiratoryprotectiveequipment.Thequalificationoftherespiratoryprotectiveequipmentisaddressedbytheapplicablerequirementsforrespiratorsestablishedin42CFRPart84.Assuch,theentireair-fedensembleissubjecttocertificationbyNIOSHinadditiontomeetingtherequirementsinthisspecification.Thisspecificationestablishesclassificationsfortheprotectiveensemble.Theclassificationsincludeonethatisdeterminedbytheconfigurationoftheprotectiveensembleandonethatconcernstheuseoftheprotectiveensemble.Aprotectiveensemblecanbeclassifiedasax201C;AirlineProtectiveEnsemblex201D;orax201C;PAPR-BasedAir-FedProtectiveEnsemblex201D;.Undereachoftheseclassifications,protectiveensemblescanbefurtherclassifiedasx201C;LimitedUsex201D;andx201C;Multiple-Usex201D;.Theseclassificationsaccountfordifferencesintheconfigurationoftheairsupplyandmaterialstrengthanddurability.Theseclassificationsdonotaccountforthedecontaminationeffectivenessofmultipleuseensembles.Inrecognitionofthepotentialdiverseapplicationstowhichtheprotectiveensemblecanbeused,documentationrequirementsareprovidedformanufacturerstobaseclaimsforpermeationresistanceofensemblematerialsagainstspecificchemicalsorforclaimsofensemblematerialperformanceagainstbloodborne(orliquidborne)pathogens.Similarrequirementsareestablishedfortherespiratoryprotectiveequipment,whenthise......