(a) The hatch of a cargo tank must:
(1) Be at the highest point of the tank; and
(2) Open on or above the weatherdeck.
(b) To be endorsed to carry a cargo requiring an independent cargo tank, a tank must have:
(1) A trunk or dome at the uppermost part of the tank, extending above the weatherdeck;
(2) Its hatch at the top of the trunk or dome; and
(3) No openings below the weatherdeck.
authority: 46 U.S.C. 3703; Department of Homeland Security Delegation No. 0170.1. Section 153.40 issued under
49 U.S.C. 5103. Sections 153.470 through 153.491, 153.1100 through 153.1132, and 153.1600 through 153.1608 also issued under
33 U.S.C. 1903 (b)
source: CGD 73-96, 42 FR 49027, Sept. 26, 1977, unless otherwise noted.
cite as: 46 CFR 153.256