IMPORTANT NOTICES AND DISCLAIMERS CONCERNING NFPA DOCUMENTS
NOTICE AND DISCLAIMER OF LIABILITY CONCERNING THE USE OF NFPA DOCUMENTS
NFPA codes, standards, recommended practices, and guides, of which the document contained herein is one, are de- veloped through a consensus standards development process approved by the American National Standards Institute. This process brings together volunteers representing varied viewpoints and interests to achieve consensus on fire and other safety issues. While the NFPA administers the process and establishes rules to promote fairness in the develop- ment of consensus, it does not independently test, evaluate, or verify the accuracy of any information or the soundness of any judgments contained in its codes and standards.
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In issuing and making this document available, the NFPA is not undertaking to render professional or other services for or on behalf of any person or entity. Nor is the NFPA undertaking to perform any duty owed by any person or entity to someone else. Anyone using this document should rely on his or her own independent judgment or, as appropriate, seek the advice of a competent professional in determining the exercise of reasonable care in any given circumstances.
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ADDITIONAL NOTICES AND DISCLAIMERS
Updating of NFPA Documents
Users of NFPA codes, standards, recommended practices, and guides should be aware that these documents may be superseded at any time by the issuance of new editions or may be amended from time to time through the issuance of Tentative Interim Amendments. An offi- cial NFPA document at any point in time consists of the current edition of the document together with any Tentative Interim Amendments and any Errata then in effect. In order to determine whether a given document is the current edition and whether it has been amended through the issuance of Tentative Interim Amendments or corrected through the issuance of
Errata, consult appropriate NFPA publications such as the National Fire Codes® Subscription Service, visit the NFPA website at www.nfpa.org, or contact the NFPA at the address listed below.
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NFPA 15
Standard for Water Spray Fixed Systems for Fire Protection
2007 Edition
This edition of NFPA 15, Standard for Water Spray Fixed Systems for Fire Protection, was prepared by the Technical Committee on Water Spray Fixed Systems. It was issued by the Standards Council on July 28, 2006, with an effective date of August 17, 2006, and supersedes all previous editions.
This edition of NFPA 15 was approved as an American National Standard on August 17, 2006.
Origin and Development of NFPA 15
The Standard for Water Spray Fixed Systems for Fire Protection, formerly Water Spray Nozzles and Extinguishing Systems, first prepared by the Committee on Manufacturing Hazards, was tenta- tively adopted in 1939, with final adoption in 1940. Subsequently, this standard was placed under the jurisdiction of the Committee on Special Extinguishing Systems, and a new edition was adopted in 1947. In 1959 the committee organization was further changed to place primary responsibility in the hands of the Committee on Water Spray, under the general supervision of the General Committee on Special Extinguishing Methods. In 1966 the Gen- eral Committee on Special Extinguishing Methods was discontinued, and the Committee on Water Spray was constituted as an independent committee. Revised editions were presented in 1969, 1973, 1977, 1979, and 1982.
The 1985 edition incorporated several technical changes concerning special piping provi- sions. The format of the document was also changed to more closely follow the NFPA Manual of Style.
Given the limited changes in water spray technology over the past few years, it was appar- ent that the 1985 edition could be reconfirmed with referenced publications being updated.
The 1996 edition represented a complete reorganization of the standard. Information was rearranged in a more functional and concise format to improve the usability of the document.
Other major changes included a new chapter on high-speed systems, and revised require- ments for spray nozzles, piping protection, spacing of pilot sprinklers, discharge densities, and design calculations.
The 2001 edition represented a complete reorganization of the standard to conform to the requirements of the 2000 edition of the Manual of Style for NFPA Technical Committee Documents.
The 2007 edition incorporates welding requirements for pipe and fittings as well as coor- dinating requirements for fire department connections with NFPA 13.
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