---
kind: "section"
citation: "46 C.F.R. § 171.112"
title: "46"
number: "171.112"
heading: "Watertight door openings."
url: "https://uscodex.org/cfr/46/171.112"
---

# §171.112. Watertight door openings.

- (a) The opening for a watertight door must be located as high in the bulkhead and as far inboard as practicable.
- (b) No more than one door, other than a door to a bunker or shaft alley, may be fitted in a main transverse watertight bulkhead within spaces containing the following:
  - (1) **Main and auxiliary propulsion machinery.**
  - (2) **Propulsion boilers.**
  - (3) **Permanent bunkers.**

## Notes

### Authority

Authority: 46 U.S.C. 2103, 3306; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; Department of Homeland Security Delegation No. 0170.1.

### Source

Source: CGD 79-023, 48 FR 51017, Nov. 4, 1983, unless otherwise noted.