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Title 46: Shipping
CHAPTER I: COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
SUBCHAPTER O: CERTAIN BULK DANGEROUS CARGOES
PART 153: SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS
Subpart B: Design and Equipment
: Cargo Venting Systems
153.353 - High velocity vents.
The discharge point of a B/3 or 4m venting system must be located at least 3m (approx. 10 ft) above the weatherdeck or walkway if:
(a) The discharge is a vertical, unimpeded jet;
(b) The jet has a minimum exit velocity of 30 m/sec (approx. 98.4 ft/sec); and
(c) The high velocity vent has been approved by Commandant (CG-522).
[CGD 78-128, 47 FR 21208, May 17, 1982, as amended by CGD 82-063b, 48 FR 4782, Feb. 3, 1983]
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