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1.1 Scope. 1.1.1 This standard provides the minimum requirements for the design, installation, and system acceptance testing of water spray fixed systems for fire protection service and the minimum requirements for the periodic testing and maintenance of ultra-high-speed water spray fixed systems. 1.1.2* Water spray fixed systems shall be specifically designed to provide for effective fire control, extinguishment, prevention, or exposure protection. A.1.1.2 Water spray systems can be independent of, or supplementary to, other forms of protection. The design of specific systems can vary considerably, depending on the nature of the hazard and the basic purposes of protection. Because of these variations and the wide choice in the characteristics of spray nozzles, these systems should be competently designed, installed, and maintained. It should be essential that their limitations, as well as their capabilities, be thoroughly understood by the designer. This standard does not provide specific design guidance for dry pipe or double interlock preaction systems. 1.1.3* This standard shall not apply to water spray protection from portable nozzles, sprinkler systems, monitor nozzles, water mist suppression systems, explosion suppression, or other means of application covered by other standards of NFPA. A.1.1.3 For information on these applications, refer to the following: (1) NFPA 13, Standard for the Installation of Sprinkler Systems (2) NFPA 14, Standard for the Installation of Standpipe and Hose Systems (3) NFPA 69, Standard on Explosion Prevention Systems (4) NFPA 750, Standard on Water Mist Fire Protection Systems (5) NFPA 1964, Standard for Spray Nozzles
This standard helps ensure effective fire control, extinguishment, prevention, or exposure protection through requirements for the design, installation, and system acceptance testing of water spray fixed systems for fire protection. It also contains requirements for the periodic testing and maintenance of ultra high-speed water spray fixed systems.
Criteria apply to systems components, installation, design objectives, plans and hydraulic calculations, water supplies, system acceptance, system maintenance, and ultra-high-speed water spray systems.
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