{"data":{"id":"us/46-cfr-154.427","jurisdiction":"us","citation":"46 CFR 154.427","heading":"Membrane tank system design.","body":"A membrane tank system must be designed for:\n(a) Any static and dynamic loads with respect to plastic deformation and fatigue;\n(b) Combined strains from static, dynamic, and thermal loads;\n(c) Preventing collapse of the membrane from:\n(1) Over-pressure in the interbarrier space;\n(2) Vacuum in the cargo tank;\n(3) Sloshing in a partially filled cargo tank; and\n(4) Hull vibrations; and\n(d) The deflections of the vessel's hull.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER O—CERTAIN BULK DANGEROUS CARGOES","PART 154—SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES","Subpart C—Design, Construction 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":"c58014d98012e42c3f98b3548ffabee393947a6c0e574d80656fef8238c13d09","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-154.426","next":"us/46-cfr-154.428"},"notice":"GroundRules: Original legal text. Not legal advice."}