ISO DIS 20519

Description / Abstract: This International Standard sets requirements for LNG bunkering transfer systems and equipment used to bunker LNG fuelled ships, which are not covered by the IGC Code. The scope of this standard includes the following five elements.

1) Hardware: Liquid and vapour transfer systems including; connections, rigid articulated piping, hoses, dry disconnect, ERS, and dry break-away emergency release systems and emergency shut down systems (ESD stages 1 and 2 ),

2) Operational Procedures: Including; communications, minimum personnel protective equipment required, valve closure times, maintenance/inspection of equipment, and the requirement for the LNG provider and operator of the vessel being bunkered to comply with their detailed fuel handling manual and the emergency procedures specified in 18.2.3 of the IMO IGF Code,

3) Requirement for the LNG provider to document the; fuel quality- temperature- density, and methodology used to meter net energy quantity of LNG transferred,

4) Training and qualifications of personnel involved and

5) Requirements for LNG facilities to meet applicable ISO standards and local codes.