§154.709. Cargo boil-off as fuel: Gas detection equipment.
46 C.F.R. § 154.709
The continuous gas detection system required under § 154.706(a)(2) and (b) must:
Have a device that—
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
Closes the master gas fuel valve required under § 154.708(c) before the methane concentration reaches 3 percent by volume.
The number and arrangement of gas sampling points must be specially approved by the Commandant (CG-OES).
Notes, amendments, and revision history
Amendments
[CGD 74-289, 44 FR 26009, May 3, 1979, as amended by CGD 82-063b, 48 FR 4782, Feb. 3, 1983]
Authority
Authority: 46 U.S.C. 3703, 9101; Department of Homeland Security Delegation No. 0170.1.
Source
Source: CGD 74-289, 44 FR 26009, May 3, 1979, unless otherwise noted.
Amendments
[CGD 74-289, 44 FR 26009, May 3, 1979, as amended by CGD 82-063b, 48 FR 4782, Feb. 3, 1983]