Federal regulations · Through 2026-08-25 · Newer source version available

46 CFR 153.406: Standards for containment systems having required restricted gauges.

Where this section sits in the code

Title 46—Shipping
CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
SUBCHAPTER O—CERTAIN BULK DANGEROUS CARGOES
PART 153—SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS
Subpart B—Design and Equipment

When Table 1 requires a cargo's containment system to have a restricted gauge, the containment system must have:

(a) A closed gauging system; or

(b) A system that has:

(1) A restricted gauge (e.g., a sounding tube) with an orifice diameter not exceeding 20 cm (approx. 7.8 in.);

(2) A permanently attached gauge cover that is vapor tight when in place; and

(3) A venting system that has either:

(i) Lock open PV valves; or

(ii) Valved bypasses around the PV valves.

Collected 2026-08-27T02:26:22Z. Source file · JSON