{"data":{"id":"us/46-cfr-174.195","jurisdiction":"us","citation":"46 CFR 174.195","heading":"Bulkheads in machinery spaces.","body":"(a) The bulkhead in each machinery space of each OSV must be watertight to the bulkhead deck.\n(b) Each penetration of, and each opening in, a bulkhead in a machinery space must—\n(1) Be kept as high and as far inboard as practicable; and\n(2) Except as provided by § 174.210 of this subpart and by paragraph (c) of this section, have means to make it watertight.\n(c) No penetration of a bulkhead in a machinery space by a ventilation duct need have means to make the bulkhead watertight if—\n(1) Every part of the duct is at least 760 millimeter (30 inches) from the side of the OSV; and\n(2) The duct is continuously watertight from the penetration to the main deck.\n(d) Each penetration of a bulkhead in a machinery space by piping must meet the design requirements for material and pressure in subchapter F of this chapter.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER S—SUBDIVISION AND STABILITY","PART 174—SPECIAL RULES PERTAINING TO SPECIFIC VESSEL TYPES","Subpart G—Special Rules Pertaining to Offshore Supply Vessels"],"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":"4101500e5721fb08376268512ff0a25f8d690cecc96778915928f87679b3fbb3","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-174.190","next":"us/46-cfr-174.200"},"notice":"GroundRules: Original legal text. Not legal advice."}