46 C.F.R. § 171.108 Manholes in double bottoms.
Title 46 - Shipping
(a) The number of manholes in the inner bottom of a double bottom required by §171.105 must be reduced to the minimum required for adequate access. (b) Each manhole must have a cover that can be— (1) Made watertight; and (2) Protected from damage by cargo or coal.
Title 46: Shipping
PART 171—SPECIAL RULES PERTAINING TO VESSELS CARRYING PASSENGERS
Subpart D—Additional Subdivision Requirements
§ 171.108 Manholes in double bottoms.
