{"data":{"id":"us/46-cfr-119.470","jurisdiction":"us","citation":"46 CFR 119.470","heading":"Ventilation of spaces containing diesel fuel tanks.","body":"(a) Unless provided with ventilation that complies with § 119.465 of this part, a space containing a diesel fuel tank and no machinery must meet one of the following requirements:\n(1) A space of 14 cubic meters (500 cubic feet) or more in volume must have a gooseneck vent of not less than 65 millimeters (2.5 inches) in diameter; or\n(2) A space of less than 14 cubic meters (500 cubic feet) in volume must have a gooseneck vent of not less than 40 millimeters (1.5 inches) in diameter.\n(b) Vent openings may not be located adjacent to possible sources of vapor ignition.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER K—SMALL PASSENGER VESSELS CARRYING MORE THAN 150 PASSENGERS OR WITH OVERNIGHT ACCOMMODATIONS FOR MORE THAN 49 PASSENGERS","PART 119—MACHINERY INSTALLATION","Subpart D—Specific Machinery Requirements"],"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":"bfb25684a0b98e9fb069fee19c872ae0252f779fb02e794daa90128e9523e80f","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-119.465","next":"us/46-cfr-119.500"},"notice":"GroundRules: Original legal text. Not legal advice."}