CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER O—CERTAIN BULK DANGEROUS CARGOES (parts 150 to 155) > PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS > SUBPART B—Design and Equipment (§153.190 to §153.812) > 153.350—Location of B/3 vent discharges.

153.350—Location of B/3 vent discharges.

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]