TechnicalNoticeonImplementingIMOMSC.1-Circ.1556

CCSTechnical Information(2017)Technical Information No.53 Total No.301Jul.31,2017(Total 2 pages)To:relevant departments of CCS Headquarters,CCS surveyors,plan approval centers,relevantship owners,shipyards and designersTechnical Notice on Implementing IMO MSC.1-Circ.1556I Foreword1.1 The Maritime Safety Committee of International Maritime Organization,at itsninety-seventh session,adopted Unified Interpretations of Chapter 8 of the FSS Codeand the Revised Guidelines for Approval of Sprinkler Systems Equivalent to ThatReferred to in SOLAS Regulation ll-2/12 (Resolution A.800(19))as amended byResolution MSC.265(84)(MSC.1/Circ.1556)on 21 November 2016.1.2 The circular applies to all passenger ships and cargo ships of 500 gross tonnageand over from its issuance date of 25 November 2016.II Technical points2.1 Main contents of MSC.1/Circ.1556With regard to Chapter 8 of the FSS Code and the Revised Guidelines for Approval ofSprinkler Systems Equivalent to That Referred to in SOLAS Regulation ll-2/12(Resolution A.800(19))as amended by Resolution MSC.265(84),the calculationmethod of parameters of sprinkler pumps and pressure tanks is clarified.AnnexUnified Interpretations of Chapter 8 of the FSS Code and the RevisedGuidelines for Approval of Sprinkler Systems Equivalent to That Referred