{"data":{"id":"us/46-cfr-153.351","jurisdiction":"us","citation":"46 CFR 153.351","heading":"Location of 4m vent discharges.","body":"Except as prescribed in § 153.353, a 4m venting system must discharge:\n(a) At least 4m (approx. 13.1 ft) above the higher of:\n(1) the weatherdeck; or\n(2) any walkway that is within a 4m (approx. 13.1 ft) horizontal radius from the vent discharge.\n(b) At least 10m (approx. 32.8 ft) from air intakes for, or openings into, accommodation or service spaces.","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":"5839c41ac425b1973f1af664838b39fe025363188383a7ddefe9b533202835f5","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-153.350","next":"us/46-cfr-153.352"},"notice":"GroundRules: Original legal text. Not legal advice."}