为您的下一个飞机库提供灭火解决方案.pdf

1、Fire Suppression Solutions for your next Aircraft HangarTodd Stevens,CFPS,SETIndustrial Fire Protection,LLCHangar HistoryWright brothers 1902 Kill Devil Hills,NCHangar 7 Salzburg,AustriaHangar HistoryAgenda6 Regulations NFPA 409 Review Alternative Methods-Sustainable SolutionsRecent Regulations rega

2、rding Special Hazards AIM Act HFCs AFFF Legacy Foams-PFOS/PFOA PFAS Activity Stay Calm!ECHA-European action States MN,ME,CO,AKRegulationsRegulationsAFFF Fire Fighting Foam Systems EPA PFOA Stewardship Program 2010.Reduction of PFOA by 2015.C8 fluorosurfactants to C6 fluorosurfactants.2020-States beg

3、an regulating the use of AFFF.DOD and FAA regulations.Legacy AFFF foams contain PFOS/PFOA.Fixed AFFF Systems ARFF VehiclesRegulationsExisting Hangars with AFFF Disposal Equipment Piping networkNFPA 409 Standard on Aircraft Hangars(2022 ed)NFPA 409 Standard on Aircraft Hangars(2022 ed)Hangar Group I(

4、at least one)Door height 28 ft.Hangar Bay 40,000 ft2 Ability to house aircraft with tail height 28 ft.Hangar Group II(both)Door height 28 ft or less.Hangar Bay typically 12,000-40,000 ft2,based on construction type,see Table 6.1.2Hangar Group III(both)Door height 28 ft or less.Hangar Bay typically 1

5、2,000 ft2,based on construction type,see Table 6.1.3Hangar Group IV Any structure constructed of membrane-covered rigid steel frame.Changes to the 2022 edition New Chapter 4 Fire Protection Approaches New Chapter 5 Performance-Based Design Approach Protection of Hangar,Chapter 8&9,Groups I&II Additi

6、on of Ignitable Liquid Drainage Floor Assembly Allowing protection requirements to be modified providing a Risk Assessment per Chapter 4 Chapter 9 Group II Hangars9.1.5 Allows closed head automatic sprinklers,no hazardous operations Chapter 13 ITMWater only discharge on annual and 5-year testingNFPA