NFPA 15 Standard for Water Spray Fixed Systems for FireProtection 2022 NFPA
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15-1 Copyright 2021 National Fire Protection Associationa. All Rights Reserved. NFPA° 15 Standard for WaterSprayFixed SystemsforFireProtection 2022 Edition This edition of NFPA 15 Standasnl for Water Spry Fixef Sysitems for Fine Protection was prepared by the Technical Commitee on Water Spray Fixed Systems. It was issued by the Suandards Council on November 26 2020 with an effective date of December 16 2020 and supersedes all previous editions. This edlition of NFPA 15 was approved as an American National Standard on December 16 2020. Origin and Development of NFPA 15 Stanrd forWitr Spry FiedSstems forFi Prtection fomerly Wte Spey Noles n Extingishing SiprdbyteCitnaingHazawnatil api99 oppn depsbldoeg Committee on Special Extinguishing Sstems an aneweditin was aoptedin1947.In1959h mittee organizationwas furtherchanged to place primaryresponsibiliy n the hands of the Commitee onWater Spray under the general supervision of the General Comittee n Special Extinguishing Methods. In 1966 the General Committee on Special Extinguishing Methods was discontinued and the Committe on Water Spray was constituted as an independent mittee. Revised editions were presented in 1969 1973 1977 1979 and 1982. The 1985 edition incorporated several technical changes conceming special piping provisons. The format of the document was also changed to more closely follow the NFPA Menaal oef Style the 1985 edition could be reconfirmed with referenced publications being upatd Gen thliitd chngesiat ray thlogy ver th ast fwyears it wasaprentht The 1996editionepresente alereorganizati f th standarIformationwas major changesincluded a new chapter on high-speed sstems and revised requirements for spray rearranged in amore functional and concise format toimprove theusability of the document.ther nozzles piping protection spacing of pilot sprinklers discharge densities and design calulations. The 2001editionrepresented a plete reorganization of the standard to conform to the requirements of the 2000 edition of the NFPA Mermaf ef Sryle for Teclanical Commitee Documents The 2007 edition incorporated welding requirements for pipe and fttings and also coordinated requirements for fire department connections with NFPA 13 Standerd for tfe sellation of Sprinker Systems. The 2012 edition provided updated rules for grooved couplings to ply with changes in the 2010 edition f NFPA 13Otherchangesincluded anexpanded section on designing forflammable vapor mitigation and the adidition of contractor's material and test certificates. effort to align this standard withNFPA 13and NFPA 20a 12-month limitationon water low tet The 2017 edition revised pipe support requirements and incorporated several new tables. In an informationwas addedn adlition to requirements for hydralic designinfomation sins and general infomation sigsThe standard also added a requirementthat ahazard anahsis be performednthe sical anhmical propertiesfmaterials and thatthlaoutesignd installatin be perfoed by qualifed psons ew definitins fo h nisand qlifed were also adlded. NFPA and National Fire Protection Asociation are registered tademarks of the National Fire Protection Aasociation Quincs Masachusets 02169.
15-2 WATER SPRAY FIXED SYSTEMS FORFIREPROTECTION de mdsa de dosbaus Vaporlodxsiwrqired tbcnideefapormitigatfrrikisthrhgelen updateof contractor's material and test cerificates clarification f remote location fr hyrauiccalculations and allance f multiple detector voting systems to reduce accidental activation. 2022Editon
NFPA 15 2022 用于消防保护的固定喷水系统标准.pdf
