(a) Each OSV must have a collision bulkhead in compliance with §§171.085(c)(1), (d), (e)(2), and (f) of this chapter.

(b) Penetration of the collision bulkhead by piping must be minimal, and, where fitted, piping must meet the requirements of §§56.50-1(b)(1) and (c) and 128.230 of this chapter.