49 CFR 179.100-3
§ 179.100-3 Type.
United States · 49 CFR — Transportation · Status: effective
Cite this
- Citation
- 49 CFR 179.100-3, § 179.100-3 Type, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/256702
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Full text
(a) Tanks built under this specification shall be fusion-welded with heads designed convex outward. Except as provided in § 179.103 they shall be circular in cross section, shall be provided with a manway nozzle on top of the tank of sufficient size to permit access to the interior, a manway cover to provide for the mounting of all valves, measuring and sampling devices, and a protective housing. Other openings in the tank are prohibited, except as provided in part 173 of this chapter, §§ 179.100-14, 179.101-1, 179.102 or § 179.103.
(b) Head shields and shells of tanks built under this specification must be normalized. Tank car heads must be normalized after forming unless specific approval is granted for a facility's equipment and controls.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.