GroundRules
46 CFR 98.30-6: -6 Vessels carrying IBCs.
Where this section sits in the code
- Title 46—Shipping
- CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
- SUBCHAPTER I—CARGO AND MISCELLANEOUS VESSELS
- PART 98—SPECIAL CONSTRUCTION, ARRANGEMENT, AND OTHER PROVISIONS FOR CERTAIN DANGEROUS CARGOES IN BULK
- Subpart 98.30—Portable Tanks and Intermediate Bulk Containers
Intermediate Bulk Containers (IBCs) with a classification of 31A may be used on a vessel to which this part applies and must meet at a minimum the following constructional requirements:
(a) The shell thickness must be a minimum 6.36 mm (0.25 inches) in reference steel.
(b) There must be a self-closing relief valve set to open at no less than 5 psig.
(c) Closures used on fill openings, in excess of 20 square inches, must be equipped with a device to prevent them from fully opening without first relieving internal pressure.
(d) All venting requirements must be followed in accordance with 49 CFR 178.345-10, Table 1.
Collected 2026-08-27T02:26:22Z. Source file · JSON