---
kind: "section"
citation: "46 C.F.R. § 154.305"
title: "46"
number: "154.305"
heading: "Segregation of hold spaces from the sea."
url: "https://uscodex.org/cfr/46/154.305"
---

# §154.305. Segregation of hold spaces from the sea.


In vessels having cargo containment systems required by this part to have a secondary barrier, hold spaces must be segregated from the sea by:

- (a) A double bottom if the cargo tanks meet this part for design temperatures colder than −10 °C (14 °F); and
- (b) **Wing tanks if the cargo tanks meet this part for design temperatures colder than −55 °C (−67 °F).**

## 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.