Coast Guard, DOT § 149.481

§ 149.461 Fire hydrant and control § 149.479 International shore connec- valve shutoff valve. tion. Each fire hydrant and control valve (a) The fixed fire main system of a must have a shutoff valve. PPC must have: (1) At least two risers; § 149.463 Fire hydrant access. (2) A cutoff valve and check valve for each riser; and Any equipment that is in the same (3) At least two international shore space as a fire hydrant must not inter- connections that meet the require- fere with access to that hydrant. ments in 46 CFR 162.034. (b) Each riser must be in an acces- § 149.465 Spanner. sible location to vessels alongside the Each fire hydrant must have at least PPC, and two of the risers must be on one spanner at the fire hydrant. opposite sides of the PPC.

§ 149.467 Fire hose rack. OTHER FIRE EXTINGUISHING SYSTEMS (a) Each PPC must have a hose rack § 149.481 Other fire extinguishing sys- at each hydrant. tems. (b) Each fire hose rack must be visi- (a) Each PPC must have a manually ble. or automatically operated fire extin- (c) Each fire hose rack in an exposed guishing system in addition to the fire location must be protected from weath- main system required under § 149.451 er. that is approved by the Commandant and meets the National Fire Protection § 149.469 Fire hose size. Association standards listed in para- Each length of fire hose must be: graph (e) of this section in the fol- (a) 11⁄2 or 21⁄2 inch nominal hose size lowing locations: diameter; (1) Storerooms. (b) 50 foot nominal hose size length; (2) Workrooms containing flammable and liquids. (3) Pump rooms. (c) Lined commercial fire hose that (4) Machinery spaces. conforms to Underwriters Labora- (b) Each halogenated agent or CO2 tories, Inc. Standard 19 or Federal system in a compartment smaller than specification ZZ–H–451D. 6,000 cubic feet, and each sprinkler sys- tem, must be automatic. § 149.471 Fire hose coupling. (c) Each halogenated agent or CO2 Each fire hose coupling must: system in a compartment larger than (a) Be made of brass, bronze, or mate- 6,000 cubic feet, and each foam system, rial that has strength and corrosion re- must be manual. sistant properties at least equal to (d) The systems selected must match those of brass or bronze; and the hazard to be protected as follows: (b) Have 9 threads per inch for 11⁄2 (1) Storerooms must use water sprin- inch hose or 71⁄2 threads per inch for 21⁄2 klers or CO2. inch hose. (2) Workrooms containing flammable liquids, pumprooms, and machinery § 149.473 Fire hose nozzle. spaces must use CO2, halogenated agents, or high expansion foam. Each fire hose nozzle must be a com- (e) Each system required under para- bination solid stream and water spray graph (a) of this section must meet one fire hose nozzle that is approved under of the following performance stand- 46 CFR 162.027. ards: (1) Water sprinkler system—NFPA § 149.477 Spray applicator. No. 13. Each PPC must have a low velocity (2) Carbon dioxide system—NFPA No. spray applicator that is approved under 12. 46 CFR 162.027 at each fire hydrant. (3) Halogenated agent system—NFPA No. 12A.

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(4) Foam system—NFPA No. 11A. (b) Aqueous film forming foam (f) Arrangement requirements con- (AFFF) may be substituted for protein tained in 46 CFR 95.15–10, 15 and 20 base foam. Generally, the quantity of must be complied with. water may be reduced by 30 percent (g) Each system required under para- from that specified for use with protein graph (a) of this section must activate base foam. This reduction will be au- the general alarm system when it oper- thorized by the Commandant on a case- ates. by-case basis. (h) Spaces that are protected by a (c) Other extinguishing agents that carbon dioxide system or halogenated would provide an equivalent fire fight- agent system and are normally acces- ing capability may be substituted with sible to persons on board must be fitted the approval of the Commandant. with an approved audible alarm that sounds automatically 20 seconds before FIRE DETECTION AND ALARM SYSTEMS the extinguishing agent is admitted to the space. The alarm must be conspicu- § 149.491 Fire detection and alarm sys- ously and centrally located. tems. (i) To the extent practicable, mate- (a) Each PPC must have the fol- rials in each item of equipment re- lowing fire detection systems that acti- quired by paragraph (a) of this section vate the general alarm system: must have resistance to the adverse ef- (1) An ionization type automatic fects of the marine environment. smoke detection system in each sleep- § 149.483 Fire fighting system for heli- ing space. copter pads. (2) A combination fixed-temperature (a) Each PPC helicopter landing pad and rate-of-rise heat detector system must have the following: in each non-sleeping space that does (1) A fire extinguishing system de- not have an automatic fire extin- signed to: guishing system unless the space is ° (i) Deliver a minimum of 200 g.p.m. of subject to a 15 F or greater per minute water at the pressure required to over- rate of rise. come friction in the piping and hose (3) A fixed-temperature detector sys- lines, and produce the nozzle discharge tem in each nonsleeping space that requirements in paragraph (a)(2)(ii) of does not have an automatic fire extin- this section for 15 minutes; and guishing system and that is subject to (ii) Not interfere with the simulta- a 15 °F or greater per minute rate of neous operation of the fire main. rise. (2) Shutoff type nozzles designed: (b) To the extent practicable, mate- (i) For use with a foam concentrate rials in each item of equipment re- listed or approved by a recognized test- quired by this section must have resist- ing agency for fire extinguishing ance to the adverse effects of the ma- agents; rine environment. (ii) To discharge water-foam con- centrate solution or water fog at a rate PORTABLE AND SEMIPORTABLE FIRE of 100 g.p.m. at a pressure that will pro- FIGHTING EQUIPMENT vide a foam discharge pattern at a 20 foot range with 15 foot width variable § 149.501 Portable and semiportable to a solid stream of foam with a min- fire extinguishers. imum 50 foot range; and (a) Each PPC must have portable or (iii) To produce foam having a min- semiportable fire extinguishers that imum expansion of eight, with a 25 per- are approved by the Coast Guard under cent drainage time of at least 5 min- 46 CFR 162.028 or 162.039. utes when protein base foam is used. (b) Each semiportable fire extin- (3) Nozzles located so as to provide guisher must be fitted with hose and complete coverage of the helicopter nozzle or other apparatus so that the landing area. entire space in which the extinguisher (4) A means of activating the general is located may be protected. alarm system required by § 149.541.

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