(a) If a fixed foam extinguishing system has outlets in a main machinery space, at least 2 fire hydrants, in addition to the fire hydrants required by § 108.423 of this subpart, must be installed outside the entrances to the space with each at a separate entrance.
(b) Each hydrant must have enough hose to spray any part of the space.
(c) Each hydrant must have a combination nozzle and applicator.
source: CGD 73-251, 43 FR 56808, Dec. 4, 1978, unless otherwise noted.
cite as: 46 CFR 108.477