NFPA-501A-2009.pdf
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1、Copyright 2008 National Fire Protection Association. All Rights Reserved. NFPA501A Standard for Fire Safety Criteria for Manufactured Home Installations, Sites, and Communities 2009 Edition This edition of NFPA 501A, Standard for Fire Safety Criteria for Manufactured Home Installa- tions, Sites, and
2、 Communities, was prepared by the Technical Committee on Manufactured Housing. It was issued by the Standards Council on December 9, 2008, with an effective date of December 29, 2008, and supersedes all previous editions. This edition of NFPA501Awas approved as anAmerican National Standard on Decemb
3、er 29, 2008. Origin and Development of NFPA 501A NFPA activity associated with manufactured homes began in 1937, when NFPA organized its first Committee on Trailers and Trailer Courts. The first NFPA standard covering trailer coach camps appeared in 1939, with revisions in 1940, 1952, 1960, and 1964
4、. A completely new edition was adopted in 1971, and that text was revised in 1972, 1973, 1974, 1975, 1977, and 1982. TheAmericanNationalStandardsInstitute(ANSI)approvedthe1972NFPAeditiononMay8, 1973; the 1973 NFPAedition on December 28, 1973; the 1974 NFPAedition on January 30, 1975; the 1975 NFPAed
5、ition on February 27, 1976; and the 1977 NFPAedition on October 18, 1977. The 1982 edition of Standard for Firesafety Criteria for Mobile Home Installations, Sites, and Communitiessupersededthe1977editionandwasadoptedbyNFPAatitsAnnualMeetingheld in San Francisco in 1982. The 1982 edition was produce
6、d by the newly formed Committee for Firesafety for Mobile Homes (created June 1979), which was charged with the responsibility of developing documents for fire safety criteria for single-family mobile homes, including the installation, sites, and communities, and the maintenance of and improvements
7、for existing mobile homes. Therefore, the 1982 edition excluded all sections of previous editions not considered within the committee scope. Notably excluded were stabilizing and anchoring systems, requirements for piers and footings, and plumbing, including sewage disposal sys- tems. Requirements f
8、or park electrical systems were addressed by reference to NFPA 70, National Electrical Code. Modifications were also made in sections dealing with fuel supply, air conditioning, and life and fire safety. Major revisions to the standard were made in the 1987 edition in an attempt to better coordinate
9、 the NFPA chapters in a joint publication with the National Conference of States on Building Codes and Standards (NCSBCS), ANSI A225.1/NFPA 501A. Major changes in- cluded substituting manufactured home for mobile home throughout; deleting Chapter 3, Air Conditioning; expanding Chapter 2, Fuel Supply
10、; and combining three appendixes into two. The standard was reconfirmed in 1992 with a plan to expand the scope of NFPA 501A to cover fire safety requirements for the design, construction, installation, alteration/ rehabilitation, maintenance, use, and occupancy of manufactured homes, manufactured h
11、ome sites, and manufactured home communities, including accessory buildings and struc- tures. This was a major revision of the scope and the entire standard, and the committee targeted a complete revision of NFPA 501A for 1994. The 1997 edition was a reconfirmation of the 1992 edition of NFPA 501A.
12、The proposed expansion of the scope of the 1992 edition, as noted in the preceding paragraph, was dis- cussed and acted on by the technical committee. The scope of NFPA501Awas not expanded; instead, a new document, NFPA 501, Standard on Manufactured Housing, was generated. NFPA501representedtherecon
13、stituted1977editionofNFPA501B,StandardforMobileHomes, which was the basis for the federal Manufactured Home Construction and Safety Standards. 501A1 NFPA and National Fire Protection Association are registered trademarks of the National Fire Protection Association, Quincy, Massachusetts, 02169. Copy
14、right National Fire Protection Association Provided by IHS under license with NFPALicensee=HP Monitoring/1111111164 Not for Resale, 02/02/2009 21:13:14 MSTNo reproduction or networking permitted without license from IHS -,-,- The earlier editions of NFPA 501A were jointly developed and published by
15、NFPA and NCSBCS as A225.1/ NFPA 501A. The 1997 edition of NFPA 501A was published as a separate, stand-alone document in agreement with NCSBCS and contained only the fire safety requirements. The nonfire safety requirements were published by NCSBCS as A225.1 (1994 edition). NFPA assumed responsibili
16、ty for NCSBCS A225 standard in 2003, which was processed concurrently with the 2003 edition of NFPA 501A. The 1999 edition was a reconfirmation of the 1997 edition. In June 1998, NFPAwas selected by the U.S. Department of Housing and Urban Development to update the federal standards (24 CFR 3280) fo
17、r manufactured homes. As a result of this selection by HUD, the original technical committee for manufactured homes was expanded into six technical committees and a technical correlating committee. This expansion occurred during the Report on Com- ments phase of the 1999 edition. The2000editionhadon
18、lyafewminorrevisions.Onerevision,in4.3.5,pertainedtoupdatingthewatersuppliesfor fire department operations. The other revisions were editorial in nature. The 2003 edition was reformatted to meet the editorial and format-related requirements of the Manual of Style for NFPATechnical Committee Document
19、s. Several definitions were deleted during that revision cycle. The 2005 edition incorporated new requirements for fire separation distances between manufactured homes. This edition of NFPA 501A has been revised to include updates to extracted text where appropriate. In addition, revisions have been
20、 made that clarify requirements and add new ones for water supplies that serve the site, and newly revised criteria have been introduced for fire department access roads and paths. 501A2FIRE SAFETY CRITERIA FOR MANUFACTURED HOME INSTALLATIONS, SITES, AND COMMUNITIES 2009 Edition Copyright National F
21、ire Protection Association Provided by IHS under license with NFPALicensee=HP Monitoring/1111111164 Not for Resale, 02/02/2009 21:13:14 MSTNo reproduction or networking permitted without license from IHS -,-,- Technical Committee on Manufactured Housing John Lake, Chair Marion County Fire Rescue, FL
22、 E Denise Beach, National Propane GasAssociation, DC IM Fred Benn, Advanced Automatic Sprinkler, Inc., CA IM Rep. National Fire Sprinkler Association Christopher P. Bosch, City of Tracy Fire Department, CA E Rep. International Association of Fire Chiefs Bill Broecker, Foremost Insurance Company, MI
23、I Robert E. Goodwin, Jr., Kentucky State Fire Marshals Office, KY E Ralph C. Guinn, Canplas Industries Ltd., Canada M Stanley C. Harbuck, School of Building Inspection, UT C Rep. American Public Health Association Thomas L. Harman, University of Houston-Clear Lake, TX SE Jordan Heiman, Jordan L. Hei
24、man Inc., MO SE Christopher P. Jones, Christopher P. Jones except that such terms shall include any struc- ture which meets all the requirements of this paragraph except the size requirements and with respect to which the manufacturer voluntarily files a certification required by the regulatory agen
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