170.248—Applicability.
(a)
Except as provided in paragraph (b) or paragraph (c) of this section, this subpart applies to vessels with watertight doors in bulkheads that have been made watertight to comply with the flooding or damage stability regulations in this subchapter
(c)
A watertight door on a self-propelled hopper dredge with a working freeboard must comply with § 174.335 of this subchapter.
[CGD 79-023, 48 FR 51010, Nov. 4, 1983, as amended by CGD 76-080, 54 FR 36977, Sept. 6, 1989]