173.056—Collision and other watertight bulkheads.
(a)
Collision bulkheads required by this section must comply with the requirements in § 171.085 of this subchapter.
(b)
Each sailing school vessel required to meet paragraph (a) of § 173.054 must comply with the machinery space bulkhead requirements in § 171.095 of this subchapter.
[CGD 83-005, 51 FR 924, Jan. 9, 1986]