46 CFR 154.709
§ 154.709 Cargo boil-off as fuel: Gas detection equipment.
United States · 46 CFR — Shipping · Status: effective
Cite this
- Citation
- 46 CFR 154.709, § 154.709 Cargo boil-off as fuel: Gas detection equipment, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/228960
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Full text
(a) The continuous gas detection system required under § 154.706(a)(2) and (b) must:
(1) Meet § 154.1350(c), (d), and (j) through (s); and
(2) Have a device that:
(i) Activates an audible and visual alarm at the machinery control station and in the wheelhouse if the methane concentration reaches 1.5 percent by volume; and
(ii) Closes the master gas fuel valve required under § 154.708(c) before the methane concentration reaches 3 percent by volume.
(b) The number and arrangement of gas sampling points must be specially approved by the Commandant (CG-OES).
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.