Penetrations and openings in watertight bulkheads in a vessel of less than 100 gross tons must ().
A.Only be placed in transverse watertight bulkheads that extend to the bulwark deck
B.Be provided with non-packed slip joints for expansion to permit passage of piping or electric cable
C.Incorporate approved sluice valves
D.Be kept as high and as far inboard as practicable
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