46 CFR Subchapter D 30-40

Overview of 46 CFR Parts 30 to 40

  • Applies to tank vessels and certain vessels carrying flammable and combustible liquids.

  • Contains specific sections detailing definitions, requirements, and safety measures.

  • Some exemptions noted within the subchapter.

46 CFR Subchapter D Part 30: General Provisions

  • General Provisions: Establishes baseline regulations for tank vessels.

  • Regulated Commodities: Lists all commodities controlled under this subchapter.

  • Glossary & Definitions: Key terms include:

    • Cargo Grades: Classifications of cargo types.

    • Flammability: Degree to which substances can ignite.

    • Flame Screen: Equipment or mechanisms to block flames.

    • Tankers: Types of vessels involved in cargo transport.

46 CFR Subchapter D Part 31: Inspection and Certification

  • Inspection Requirements: Regulates the inspection and certification of tank vessels.

  • Certificates of Inspection: Documentation required for vessel operations.

  • Barge Inspections: Procedures for inspecting barge vessels.

  • Tank Vessel Manning: Regulations regarding crew on board.

  • Operating Areas: Regions where vessels can operate legally.

  • Load Lines: Specifications for safe loading of cargo.

  • Engineering: Marine and electrical engineering requirements.

  • Life-Saving Appliances: Safety equipment mandates on vessels.

46 CFR Subchapter D Part 32: Machinery and Equipment

  • Machinery Regulations: Covers the specifications for machinery on tank vessels.

  • Ventilation Requirements: Standards for ventilation in tanks and pump rooms.

46 CFR Subchapter D Part 34: Firefighting Equipment

  • Fire Equipment Regulations: Details requirements for firefighting systems.

  • Portable Extinguishers: Specifications for fire extinguishers.

  • Fire Equipment Locations: Mandated locations for fire safety equipment on vessels.

46 CFR Subchapter D Part 35: Operations and Safety

  • Crew Safety Protocols: Includes work vest regulations and stability requirements.

  • Logbook Entries: Guidelines for officers’ crew logbook management.

  • Emergency Requirements: Fire and emergency protocols to be followed.

  • Casualty Reporting: Procedures for reporting casualties.

    • Navigation Safety Rules: General safety guidelines for navigation and engine department operations.

    • Cargo Handling Procedures: Ensuring safe handling of cargo and proper posting/marking tasks.

46 CFR Subchapter D Part 36: Elevated Temperature Cargoes

  • Special Regulations: Specific measures for cargoes that must be heated during transfers.

46 CFR Subchapter D Part 38: Liquefied Flammable Gases

  • Regulatory Focus: Information pertaining to the management of liquefied flammable gases.

46 CFR Subchapter D Part 39: Vapor Control Transfers

  • Vapor Control Equipment: Specifications for vapor control systems.

  • Vapor Collection Operations: Procedures during cargo transfer activities.

  • Vessel-to-Vessel Transfers: Guidelines on balancing vapors during transfers.

  • Multi-Breasted Loading: Safety measures for loading using a single facility vapor connection.

  • Tank Barge Cleaning: Regulations for cleaning procedures involving vapor collection.