TechnicalNoticeonUnifiedInterpretationsoftheIGCCode(asAmendedbyResolutionMSC.370(93))(MSC.1-Circ.1559)IssuedbyIMO

CCSTechnical Information(2017)Technical Information No.55 Total No.303Jul.31,2017(Total 2 pages)To:relevant departments of CCS Headquarters,CCS surveyors,plan approval centers,relevantship owners,shipyards and designersTechnical Notice on Unified Interpretations of the IGC Code (asAmended by Resolution MSC.370(93))(MSC.1-Circ.1559)Issued byIMOI Foreword1.1 The Maritime Safety Committee of International Maritime Organization,at itsninety-seventh session,adopted Unified Interpretations of the IGC Code (asamended by Resolution MSC.370(93))(MSC.1/Circ.1559)on 21 November 2016.Theunified interpretations in the circular applies to ships carrying liquefied gases in bulkand constructed according to revised IGC Code (Resolution MSC.370(93))from itsissuance date of 28 November 2016.II Technical points2.1 Main contents of MSC.1/Circ.1559The circular provides unified interpretations for relevant paragraphs of IGC Code withfollowing clarification:(1)Clarifying position and gas tightness of closing devices for air intakes required byparagraph 3.2.6;(2)Clarifying prevention of potential explosion in cargo machinery spaces and turretcompartments in paragraph 3.3.1 does not apply to SOLAS Regulation ll-2/4.5.10;