46 CFR § 171.114
Penetrations and openings in watertight bulkheads in a vessel less than a 100 gross tons
April 15, 2021
(a) Penetrations and openings in watertight bulkheads must—
(1) Be kept as high and as far inboard as practicable; and
(2) Have means to make them watertight.
(b) Watertight bulkheads must not have sluice valves.
(c) Each main traverse watertight bulkhead must extend to the bulkhead deck.
[CGD 85-080, 62 FR 51353, Sept. 30, 1997]