---
kind: "section"
citation: "46 C.F.R. § 154.471"
title: "46"
number: "154.471"
heading: "Design criteria."
url: "https://uscodex.org/cfr/46/154.471"
---

# §154.471. Design criteria.

- (a) The cargo tank support system must be designed:
  - (1) For the loads in [§ 154.406(a)](/cfr/46/154.406.md?p=a);
  - (2) To not exceed the allowable stress under this part at a static angle of heel of 30°;
  - (3) To withstand a collision force equal to at least one-half the weight of the cargo tank and cargo from forward and one-quarter the weight of the cargo tank and cargo from aft; and
  - (4) **For the largest resulting acceleration in Figure 1, including rotational and translation effects.**
- (b) The cargo tank support design loads in [paragraph (a)](#a) of this section may be analyzed separately.

## 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.