§154.310. Cargo piping systems.
46 C.F.R. § 154.310
Cargo liquid or vapor piping must:
Be separated from other piping systems, except where an interconnection to inert gas or purge piping is required by § 154.901(a);
Not enter or pass through any accommodation, service, or control space;
Except as allowed under § 154.703, not enter or pass through a machinery space other than a cargo pump or compressor room;
Be in the cargo area except—
As allowed under § 154.703;
Bow and stern loading piping; and
Emergency jettisoning piping.
Be above the weather deck except—
As allowed under § 154.703;
Pipes in a trunk traversing void spaces above a cargo containment system; and
Pipes for draining, venting, or purging interbarrier and hold spaces;
Connect into the cargo containment system above the weather deck except—
Pipes in a trunk traversing void spaces above a cargo containment system; and
Pipes for draining, venting, or purging interbarrier and hold spaces.
Be inboard of the transverse cargo tank location required by § 154.235, except for athwartship shore connection manifolds not subject to internal pressure at sea.
Notes, amendments, and revision history
Authority
Authority: 46 U.S.C. 3703, 9101; Department of Homeland Security Delegation No. 0170.1.
Source
Source: CGD 74-289, 44 FR 26009, May 3, 1979, unless otherwise noted.