49 C.F.R. § 178.270-6 Tank supports, frameworks and lifting attachments.
Title 49 - Transportation
(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]
Title 49: Transportation
PART 178—SPECIFICATIONS FOR PACKAGINGS
Subpart H—Specifications for Portable Tanks
§ 178.270-6 Tank supports, frameworks and lifting attachments.
