StacksVerified U.S. regulatory reference

46 CFR §154.1115

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)The discharge density of each water spray system must be at least:
    1. (1)10000 cm 3/m 2/min. (0.25 gpm/ft. 2) over each horizontal surface; and
    2. (2)4000 cm 3/m 2/min. (0.10 gpm/ft. 2) against vertical surface, including the water rundown.
  2. (b)The water spray protection under § 154.1110 (d) and (e) must cover an area in a horizontal plane extending at least 0.5 m (19 in.) in each direction from the pipes, fittings, and valves, or the area of the drip tray, whichever is greater.