46 C.F.R. § 153.365 Liquid overpressurization protection.
Title 46 - Shipping
(a) Except as noted in paragraph (b) of this section, a containment system requiring closed or restricted gauging must: (1) Be designed to withstand the maximum pressure that develops during an overfill of the densest cargo endorsed for the containment system; or (2) Have an overflow control system that meets §153.408; or (3) Meet the requirements specified by the Commandant (G-MSO). (b) A containment system requiring restricted gauging, except for those cargoes that reference §§153.525 or 153.527, may be equipped with a spill valve that: (1) Meets ASTM F 1271 (incorporated by reference, see §153.4); and (2) Limits the maximum pressure during liquid overfill at a specified cargo loading rate to that which the containment system is able to withstand (see §§153.294(b) and 152.977(b)). [CGD 78–128, 47 FR 21208, May 17, 1982, as amended by CGD 82–063b, 48 FR 4782, Feb. 3, 1983; CGD 88–032, 56 FR 35827, July 29, 1991; USCG–2000–7790, 65 FR 58463, Sept. 29, 2000]
Title 46: Shipping
PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS
Subpart B—Design and Equipment
Cargo Venting Systems
§ 153.365 Liquid overpressurization protection.
