---
kind: "section"
citation: "46 C.F.R. § 154.427"
title: "46"
number: "154.427"
heading: "Membrane tank system design."
url: "https://uscodex.org/cfr/46/154.427"
---

# §154.427. Membrane tank system design.


A membrane tank system must be designed for:

- (a) Any static and dynamic loads with respect to plastic deformation and fatigue;
- (b) Combined strains from static, dynamic, and thermal loads;
- (c) **Preventing collapse of the membrane from—**
  - (1) Over-pressure in the interbarrier space;
  - (2) Vacuum in the cargo tank;
  - (3) Sloshing in a partially filled cargo tank; and
  - (4) Hull vibrations; and
- (d) **The deflections of the vessel's hull.**

## 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.