# Tank supports, frameworks and lifting attachments.

**Citation:** 49 CFR 178.270-6  
**Type / status:** regulation / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2005-10-01  
**Published:** Not stated

(a) Each portable tank must be constructed with a permanent support structure that provides a secure base in transport. Skids, frameworks, cradles, or similar devices are acceptable. The calculated stress in tank supports, frameworks, and lifting attachments must not exceed 80 percent of the specifi

## Document text

(a) Each portable tank must be constructed with a permanent support structure that provides a secure base in transport. Skids, frameworks, cradles, or similar devices are acceptable. The calculated stress in tank supports, frameworks, and lifting attachments must not exceed 80 percent of the specified minimum yield strength of the material of construction under the applicable loading conditions specified in § 178.270-4(b).

(b) An IM portable tank that meets the definition of “container” in § 450.3(a)(3) must meet the requirements of parts 450 through 453 of this title, in addition to the requirements of this subchapter.

[Amdt. 178-65, 46 FR 9896, Jan. 29, 1981]

## Provenance

- Official: Yes
- Source: <https://www.govinfo.gov/app/details/CFR-2005-title49-vol2/CFR-2005-title49-vol2-sec178-270-6>
- Source ID: `govinfo-cfr`
- SHA-256: `3b93e2e101de65436fa567ffc6bd9bbfdea4275463ab881f767785b90503a752`
- Retrieved: 2026-08-13T06:37:34.028Z
- Exported: 2026-08-24T04:08:23.984Z
- Document slug: `49-cfr-178-270-6`

### Source metadata

```json
{
  "part": "178",
  "section": "178.270-6",
  "subpart": "Subpart H—Specifications for Portable Tanks",
  "annualEdition": 2005,
  "revisedAsOf": "2005-10-01",
  "govInfoPackage": "CFR-2005-title49-vol2",
  "legalStatus": "official-annual-cfr-edition",
  "effectiveDateNote": null,
  "historicalAnchor": true,
  "historicalAnchorNote": "The section appears in an official annual CFR edition but is absent from the connected current eCFR corpus.",
  "jurisdiction": "US"
}
```