---
kind: "section"
citation: "33 C.F.R. § 155.470"
title: "33"
number: "155.470"
heading: "Prohibited spaces."
url: "https://uscodex.org/cfr/33/155.470"
---

# §155.470. Prohibited spaces.

- (a) In a ship of 400 gross tons and above, for which the building contract is placed after January 1, 1982 or, in the absence of a building contract, the keel of which is laid or which is at a similar stage of construction after July 1, 1982, oil or hazardous material must not be carried in a forepeak tank or a tank forward of the collision bulkhead.
- (b) A self-propelled ship of 300 gross tons and above, to which [paragraph (a)](#a) of this section does not apply, may not carry bulk oil or hazardous material in any space forward of a collision bulkhead except:
  - (1) For a ship constructed after June 30, 1974, fuel oil for use on the ship may be carried in tanks forward of a collision bulkhead, if such tanks are at least 24 inches inboard of the hull structure; or
  - (2) For a ship constructed before July 1, 1974, fuel oil for use on the ship may be carried in tanks forward of a collision bulkhead, if such tanks were designated, installed, or constructed for fuel oil carriage before July 1, 1974.

## Notes

### Amendments

[CGD 75-124a, 48 FR 45715, Oct. 6, 1983, as amended by CGD 86-034, 55 FR 36254, Sept. 4, 1990]

### Source

Source: CGD 75-124a, 48 FR 45715, Oct. 6, 1983, unless otherwise noted.

### Authority

Authority: 3 U.S.C. 301 through 303; 33 U.S.C. 1321(j), 1903(b), 2735; 46 U.S.C. 70011; 70034; E.O. 12777, 56 FR 54757, 3 CFR, 1991 Comp., p. 351; DHS Delegation No. 00170.1, Revision No. 01.4. Section 155.1020 also issued under section 316 of Pub. L. 114-120. Section 155.480 also issued under section 4110(b) of Pub. L. 101-380.

### Amendments

[CGD 75-124a, 48 FR 45715, Oct. 6, 1983, as amended by CGD 86-034, 55 FR 36254, Sept. 4, 1990]