---
kind: "section"
citation: "46 C.F.R. § 154.1115"
title: "46"
number: "154.1115"
heading: "Discharge."
url: "https://uscodex.org/cfr/46/154.1115"
---

# §154.1115. Discharge.

- (a) The discharge density of each water spray system must be at least:
  - (1) 10000 cm 3/m 2/min. (0.25 gpm/ft. 2) over each horizontal surface; and
  - (2) 4000 cm 3/m 2/min. (0.10 gpm/ft. 2) against vertical surface, including the water rundown.
- (b) The water spray protection under § [154.1110 (d)](/cfr/46/154.1110.md?p=d) and [(e)](/cfr/46/154.1110.md?p=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.

## Notes

### Authority

Authority: 46 U.S.C. 3703, 9101; Department of Homeland Security Delegation No. 0170.1.

### Source

Source: CGD 74-289, 44 FR 26009, May 3, 1979, unless otherwise noted.