TechnicalNoticeonResolutionMSC.411(97)andMSC.1-Circ.1549IssuedbyIMO

CCSTechnical Information(2017)Technical Information No.59 Total No.307Jul.31,2017(Total 2 pages)To:relevant departments of the Headquarters of CCS,CCS'surveyors,plan approval centers,relevant shipowners,shipyards,product manufacturers and designersTechnical Notice on Resolution MSC.411 (97)and MSC.1-Circ.1549Issued by IMOI.Foreword1.1 The Maritime Safety Committee of International Maritime Organization,at itsninety-seventh session,adopted the following resolution and circular relating to therequirement for fire integrity of the wheelhouse windows in ships carrying liquefiedgases in bulk on November 21,2016.(1)Amendments to the International Code for the Construction and Equipment ofShips Carrying Liquefied Gases in Bulk(IGC Code)(resolution MSC.411 (97))(2)Notification of Amendments to Paragraph 3.2.5 of the IGC Code(MSC.1/Circ.1549)II.Technical points2.1 The main contents of the resolution MSC.411(97):In paragraph 3.2.5 of IGC Code (MSC.370(93)),the words"Wheelhouse windowsshall be constructed to not less than "A-0"class (for external fire load)."are deleted.Requirements of implementation:Ships carrying liquefied gases in bulkconstructed on or after January 1,2020 shall meet the above requirements.2.2 The main contents of the circular(MSC.1/Circ.1549)are as follows: