Except as prescribed in § 153.353, a
B/3 venting system must discharge:
(a) At the highest of the following points:
(1) 6m (approx. 19.7 ft) above the weatherdeck.
(2) B/3 above the weatherdeck.
(3) 6m (approx. 19.7 ft) above a walkway, if the walkway is within a 6m (approx. 19.7 ft) horizontal radius from the vent discharge.
(b) At least 15m (approx. 49.2 ft) from air intakes for, or openings into, accommodation and service spaces.
[CGD 78-128, 47 FR 21208, May 17, 1982; 47 FR 27293, June 24, 1982]
authority: 46 U.S.C. 3703; Department of Homeland Security Delegation No. 0170.1. Section 153.40 issued under
49 U.S.C. 5103. Sections 153.470 through 153.491, 153.1100 through 153.1132, and 153.1600 through 153.1608 also issued under
33 U.S.C. 1903 (b)
source: CGD 73-96, 42 FR 49027, Sept. 26, 1977, unless otherwise noted.
cite as: 46 CFR 153.350