46 CFR 171.073
§ 171.073 Treatment of stepped and recessed bulkheads in Type II subdivision.
United States · 46 CFR — Shipping · Status: effective
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- Citation
- 46 CFR 171.073, § 171.073 Treatment of stepped and recessed bulkheads in Type II subdivision, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/230402
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Full text
(a) A main transverse watertight bulkhead may not be stepped unless additional watertight bulkheads are located as shown in Figure 171.067(a) so that the distances A, B, C, and D illustrated in Figure 171.067(a) comply with the following:
(1) A and B must not exceed the maximum bulkhead spacing that permits compliance with § 171.070; and
(2) C and D must not be less than the minimum spacing specified in § 171.070(e).
(b) A main transverse watertight bulkhead may not be recessed unless all parts of the recess are inboard from the shell of the vessel as illustrated in Figure 171.067(c).
(c) If a main transverse watertight bulkhead is recessed or stepped, an equivalent plane bulkhead must be used in the calculations required by § 171.070.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.