{"data":{"id":"us/46-cfr-153.314","jurisdiction":"us","citation":"46 CFR 153.314","heading":"Ventilation of spaces not usually occupied.","body":"(a) Each tankship must have portable ventilation equipment that fits the mount required in paragraph (b)(1) of this section.\n(b) Each enclosed space within the cargo area that does not have a permanent ventilation system meeting § 153.312 must have:\n(1) A mount for the portable mechanical ventilation equipment required by this section; and\n(2) Either permanent ventilation ductwork connected to the mount and arranged to supply air to the extremities of the space; or\n(3) An attachment for temporary ductwork at the mount with enough ductway in the ventilated space and temporary ductwork stowed aboard the vessel to supply air to the extremities of the space.","path":["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"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"69c672ac64539c018c814836f4bbb1bba0dea15601cc38da5fcfc7dcee3c6fbc","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-153.312","next":"us/46-cfr-153.316"},"notice":"GroundRules: Original legal text. Not legal advice."}
