46 C.F.R. § 153.280 Piping system design.
Title 46 - Shipping
(a) Each cargo piping system must meet the standards of Part 56 and §§38.10–1(b), 38.10–1(e), and 38.10–10(a) of this chapter. (b) Piping carrying cargo or cargo residue may not enter any machinery space except a cargo pumproom.
Title 46: Shipping
PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS
Subpart B—Design and Equipment
Piping Systems and Cargo Handling Equipment
§ 153.280 Piping system design.
