{"data":{"id":"us/46-cfr-153.254","jurisdiction":"us","citation":"46 CFR 153.254","heading":"Cargo tank access.","body":"(a) A cargo tank must have at least one covered manhole opening into the vapor space described in § 153.354.\n(b) An access through a vertical cargo tank surface must be at least 60 cm by 80 cm (approx. 23.6 × 31.5 in.) and no more than 60 cm above a foothold grating, or surface on both sides of the access way.\n(c) An access through a horizontal cargo tank surface must be at least 60 cm by 60 cm (approx. 23.6 × 23.6 in.).\n(d) An access trunk must be no less than 76 cm (approx. 29.9 in.) in diameter.","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":"905420c591246ad89fc35b92d30eee1562fece73b0104623990d852159bf9b40","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-153.252","next":"us/46-cfr-153.256"},"notice":"GroundRules: Original legal text. Not legal advice."}