46 C.F.R. § 153.294 Marking of piping systems.
Title 46 - Shipping
(a) Each cargo piping system must be marked with the designation number of the cargo tank it serves at each hose connection, valve, and blind in the piping system. The markings must be in characters at least 5 cm (approx. 2 in.) high. (b) Every hose connection of a cargo piping system must be marked with the cargo piping system's working pressure required by §38.10–10(a) of this chapter.4 4 See §153.280 of the part.
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
§ 153.294 Marking of piping systems.
