---
kind: "section"
citation: "33 C.F.R. § 155.420"
title: "33"
number: "155.420"
heading: "Pumping, piping and discharge requirements for oceangoing ships of 100 gross tons and above but less than 400 gross tons."
url: "https://uscodex.org/cfr/33/155.420"
---

# §155.420. Pumping, piping and discharge requirements for oceangoing ships of 100 gross tons and above but less than 400 gross tons.

- (a) No person may operate an oceangoing ship of 100 gross tons and above but less than 400 gross tons that is fitted with main or auxiliary machinery spaces unless:
  - (1) The ship has at least one pump installed to discharge oily mixtures through a fixed piping system to a reception facility;
  - (2) The piping system required by this section has at least one outlet accessible from the weather deck;
  - (3) For a ship on an international voyage, the outlet required by this section has a shore connection that meets the specifications in [§ 155.430](/cfr/33/155.430.md), or the ship has at least one adapter that meets the specifications in [§ 155.430](/cfr/33/155.430.md) and fits the required outlets;
  - (4) For a ship not on an international voyage, the outlet required by this section has a shore connection that is compatible with reception facilities in the ship's area of operation;
  - (5) The ship has a means on the weather deck near the discharge outlet to stop each pump that is used to discharge oily mixtures; and
  - (6) **The ship has a stop valve installed for each outlet required by this section.**
- (b) [Paragraph (a)](#a) of this section does not apply to a ship that has approved oily-water separating equipment for the processing of oily mixtures from bilges or fuel oil tank ballast.
- (c) **This section does not apply to a fixed or floating drilling rig or other platform.**

## Notes

### Amendments

[CGD 75-124a, 48 FR 45715, Oct. 6, 1983, as amended by USCG-2000-7641, 66 FR 55572, Nov. 2, 2001]

### 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 USCG-2000-7641, 66 FR 55572, Nov. 2, 2001]