46 C.F.R. § 45.111 Strength of bulkheads at ends of superstructures.
Title 46 - Shipping
Bulkheads at ends of enclosed superstructures must have sufficient strength to withstand impact of boarding seas.
Title 46: Shipping
PART 45—GREAT LAKES LOAD LINES
Subpart D—Conditions of Assignment
§ 45.111 Strength of bulkheads at ends of superstructures.