Coast Guard Office of Design and Engineering Standards (CG-ENG) developed policy letter CG-521 Policy Letter 01-12 "Equivalency Determination - Design Criteria for Natural Gas Fuel Systems". This policy letter establishes design criteria for natural gas fuel systems that provide a level of safety that is at least equivalent to that provided for traditional fuel systems by existing regulations.
Additionally provided below is the International Maritime Organization (IMO) Interim Guidelines on Safety for Natural Gas-Fuelled Engine Installations in Ships.
CG-ENG website: http://www.uscg.mil/hq/cg5/cg521/ and contact number is: (202) 372-1353
Policy and Guidance
|CG-ENG Policy Letter 01-12||Equivalency Determination - Design Criteria for Natural Gas Fuel Systems|
|CG-ENG Policy Letter 02-15||DESIGN STANDARDS FOR U.S. BARGES INTENDING TO CARRY LIQUEFIED NATURAL GAS IN BULK|
|IMO Resolution MSC.285(86)||Interim Guidelines on Safety for Natural Gas-Fuelled Engine Installations in Ships|