MSC.1-Circ.1648-AmendmentstoMSC.1-Circ.1622

'@INTERNATIONALEMARITIMEORGANIZATION4 ALBERT EMBANKMENTLONDON SE1 7SRTelephone:+44(0)2077357611Fax:+44(0)2075873210MSC.1/Circ.164815June2022AMENDMENTS TO THE GUIDELINES FOR THE ACCEPTANCE OFALTERNATIVE METALLIC MATERIALS FOR CRYOGENIC SERVICE IN SHIPSCARRYING LIQUEFIED GASES IN BULK AND SHIPS USING GASES OR OTHERLOW-FLASHPOINT FUELS(MSC.1/CIRC.1622)1The Maritime Safety Committee,at its 102nd session (4 to 11 November 2020),acknowledging a potential need for alternative metallic materials to be used for the constructionand safe operation of low-temperature fuel and cargo-carrying ships and the need for guidancein this respect,approved the Guidelines for the acceptance of alternative metallic materials forcryogenic service in ships carrying liquefed gases in bulk and ships using gases or otherlow-flashpoint fuels (MSC.1/Circ.1622).2The Maritime Safety Committee,at its 105th session(20 to 29 April 2022),approvedamendments to the Guidelines,as set out in the annex,prepared by the Sub-Committee onCarriage of Cargoes and Containers(CCC),at its seventh session(6 to 10 September 2021).3Member States are invited to use the Guidelines in conjunction with the annexedamendments and to bring them to the attention of all parties concerned.I:CIRCMSC1SC.1-Circ.1648.docxMEW TECHMOLDGIESGREENERSHIPPING