46 C.F.R. PART 154--SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES
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 A--GENERAL
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| Incorporation by reference.
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| Definitions, acronyms, and terms.
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| Existing gas vessel: Endorsements and requirements.
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| U.S. flag vessel: Endorsement application.
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| U.S. flag vessel: Certificate of Inspection endorsement.
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| U.S. flag vessel: IMO certificate issuance.
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| Foreign flag vessel: Certificate of Compliance endorsement application.
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| Foreign flag vessel: IMO Certificate.
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| Liquefied gases not included in table 4.
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| Special approval: Requests.
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| Correspondence and vessel information: Submission.
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Subpart B--INSPECTIONS AND TESTS
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| Examination required for a Certificate of Compliance.
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| Procedures for having the Coast Guard examine a vessel for a Certificate of Compliance.
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Subpart C--DESIGN, CONSTRUCTION AND EQUIPMENT
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| Outer hull steel plating.
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| Contiguous steel hull structure.
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| Transverse contiguous hull structure.
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| Longitudinal contiguous hull structure.
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| Contiguous hull structure: Heating system.
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| Contiguous hull structure: Welding procedure.
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| Contiguous hull structure: Production weld test.
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| Membrane tank: Inner hull steel.
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| Aluminum cargo tank: Steel enclosure.
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| Stability requirements: General.
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| Segregation of hold spaces from other spaces.
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| Segregation of hold spaces from the sea.
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| Cargo pump and cargo compressor rooms.
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| Accommodation, service, and control spaces.
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| Openings to accommodation, service, or control spaces.
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| Access to tanks and spaces in the cargo area.
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| Bilge and ballast systems in the cargo area.
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| Bow and stern loading piping.
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| Cargo emergency jettisoning piping.
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| Design vapor pressure (P) of a cargo tank.
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| Design loads for cargo tanks and fixtures: General.
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| Cargo tank internal pressure head.
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| Cargo tank external pressure load.
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| Dynamic loads from vessel motion.
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| Cargo tank sloshing loads.
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| Cargo tank thermal loads.
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| Cargo tank corrosion allowance.
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| Membrane tank system design.
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| Expansion and contraction.
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| Failure to meet independent tank type C standards.
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| Submission of insulation information.
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| Cargo transfer devices and means.
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| Cargo and process piping standards.
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| Piping and piping system components: Protection from movement.
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| Mechanical expansion joint: Limits in a piping system.
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| Piping: Thermal isolation.
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| Piping: Electrical bonding.
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| Piping: Liquid pressure relief.
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| Piping joints: Welded and screwed couplings.
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| Piping joints: Flange connection.
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| Piping joints: Flange type.
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| Valves: Cargo tank MARVS 69 kPa gauge (10 psig) or lower.
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| Valves: Cargo tank MARVS greater than 69 kPa gauge (10 psig).
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| Cargo pumps and cargo compressors.
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| Cargo tank gauging and measuring connections.
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| Cargo transfer connection.
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| Quick-closing shut-off valves: Emergency shut-down system.
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| Quick-closing shut-off valves.
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| Excess flow valve: Closing flow.
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| Cargo piping: Flow capacity.
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| Excess flow valve: Bypass.
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| Cargo hose: Compatibility.
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| Cargo hose: Bursting pressure.
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| Cargo hose: Maximum working pressure.
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| Cargo hose: Prototype test.
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| Cargo hose: Hydrostatic test.
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| Design temperature not colder than 0 °C (32 °F).
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| Design temperature below 0 °C (32 °F) and down to −55 °C (−67 °F).
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| Design temperature below −55 °C (−67 °F) and down to −165 °C (−265 °F).
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| Design temperature below 0 °C (32 °F) and down to −165 °C (−265 °F).
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| Cargo tank and process pressure vessel welding.
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| Stress relief for independent tanks type C.
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| Cargo pressure and temperature control: General.
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| Cargo boil-off as fuel: General.
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| Cargo boil-off as fuel: Fuel lines.
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| Cargo boil-off as fuel: Ventilation.
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| Cargo boil-off as fuel: Valves.
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| Cargo boil-off as fuel: Gas detection equipment.
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| Alternate pressure relief settings.
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| Capacity of pressure relief valves.
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| Atmospheric control within cargo tanks and cargo piping systems.
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| Atmospheric control within hold and interbarrier spaces.
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| Inert gas systems: General.
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| Inert gas system: Controls.
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| Inert gas generator: Location.
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| Inert gas piping: Location.
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| Inerted spaces: Relief devices.
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| Electrical equipment in gas-dangerous space or zone.
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| Lighting in gas-dangerous space.
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| Exterior water spray system: General.
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| Areas protected by system.
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| Pipes, fittings, and valves.
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| Dry chemical system: General.
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| Distribution of dry chemical.
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| Hand hose line: Coverage.
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| Monitor coverage of system.
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| Mechanical ventilation system: General.
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| Mechanical ventilation system: Standards.
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| Hold space, void space, cofferdam, and spaces containing cargo piping.
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| Liquid level gauging system: General.
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| Liquid level gauging system: Standards.
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| Closed gauge shut-off valve.
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| Restricted gauge excess flow valve.
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| Sighting ports, tubular gauge glasses, and flat plate type gauge glasses.
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| Liquid level alarm system: All cargo tanks.
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| Liquid level alarm system: Independent tank type C.
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| Pressure and vacuum protection.
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| Temperature measuring devices.
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| Flammable gas detection system.
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| Audible and visual alarms.
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| Pressure gauge and vacuum gauge marking.
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| Readout for temperature measuring device: Marking.
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| Safety equipment: All vessels.
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| Stretchers and equipment.
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Subpart D--SPECIAL DESIGN AND OPERATING REQUIREMENTS
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| Materials of construction.
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| Exclusion of air from cargo tank vapor spaces.
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| Ethylene oxide: Loading and off loading.
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| Methyl acetylene-propadiene mixture.
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| Vinyl chloride: Inhibiting and inerting.
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| Vinyl chloride: Transferring operations.
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| Butadiene or vinyl chloride: Refrigeration system.
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Subpart E--OPERATIONS
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| Special operating requirements under Part 35 of this chapter.
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| Certificates, letters, and endorsements: U.S. flag vessels.
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| Certificates, letters and endorsements: Foreign flag vessels.
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| Expiration of Certificates of Compliance.
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| Document posted in wheelhouse.
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| Limitations in the endorsement.
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| Loading and stability manual.
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| Operational information for terminal personnel.
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| Certification of inhibition.
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| Shipping document: Copy for transfer terminal.
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| Obstruction of pumproom ladderways.
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| Opening of cargo tanks and cargo sampling.
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| Spaces containing cargo vapor: Entry.
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| Persons in charge of transferring liquid cargo in bulk or preparing cargo tanks.
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| Vapor venting as a means of cargo tank pressure and temperature control.
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| Discharge by gas pressurization.
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| Cargo system: Controls and alarms.
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| Cargo tanks: Filling limits.
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| Relief valves: Changing set pressure.
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| Entering cargo handling spaces.
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| Integral tanks: Cargo colder than −10 °C (14 °F).
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| Posting of speed reduction.
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| Vessel speed within speed reduction.
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| Cargo hose connection: Transferring cargo.
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| Portable blowers in personnel access openings.
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| Cargo emergency jettisoning.
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