46 CFR 153.254

§ 153.254 Cargo tank access.

United States · 46 CFR — Shipping · Status: effective

Cite this

Citation: 46 CFR 153.254, § 153.254 Cargo tank access, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/228650
Permanent ID: ys:prov:228650@1
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Full text

(a) A cargo tank must have at least one covered manhole opening into the vapor space described in § 153.354. (b) An access through a vertical cargo tank surface must be at least 60 cm by 80 cm (approx. 23.6 × 31.5 in.) and no more than 60 cm above a foothold grating, or surface on both sides of the access way. (c) An access through a horizontal cargo tank surface must be at least 60 cm by 60 cm (approx. 23.6 × 23.6 in.). (d) An access trunk must be no less than 76 cm (approx. 29.9 in.) in diameter.

Legislative history

This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.