©ISO2012Shipsandmarinetechnology—Ship’smooringandtowingfittings—MooringchocksNaviresettechnologiemaritime—Corps-mortsetferruresderemorquagedenavires—ChaumardsINTERNATIONALSTANDARDISO13713Firstedition2012-07-01ReferencenumberISO13713:2012(E)ISO13713:2012(E)ii©ISO2012–AllrightsreservedCOPYRIGHTPROTECTEDDOCUMENT©ISO2012Allrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherISOattheaddressbeloworISO’smemberbodyinthecountryoftherequester.ISOcopyrightofficeCasepostale56•CH-1211Geneva20Tel.+41227490111Fax+41227490947E-mailcopyright@iso.orgWeb(E)©ISO2012–AllrightsreservediiiContentsPageForeword............................................................................................................................................................................ivIntroduction........................................................................................................................................................................v1Scope......................................................................................................................................................................12Normativereferences.........................................................................................................................................13Termsanddefinitions.........................................................................................................................................14Classification........................................................................................................................................................14.1Type.........................................................................................................................................................................14.2Nominalsizes.......................................................................................................................................................15Dimensions...........................................................................................................................................................16Materials.................................................................................................................................................................27Construction.........................................................................................................................................................28Manufacturingandinspection.........................................................................................................................29Marking...................................................................................................................................................................2AnnexA(informative)Basisforstrengthassessmentofmooringchocks........................................................7Bibliography.....................................................................................................................................................................10ISO13713:2012(E)ForewordISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,inliaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnicalCommission(IEC)onallmattersofelectrotechnicalstandardization.InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part2.ThemaintaskoftechnicalcommitteesistoprepareInternationalStandards.DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting.PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote.Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.ISO13713waspreparedbyTechnicalCommitteeISO/TC8,Shipsandmarinetechnology,SubcommitteeSC4,Outfittinganddeckmachinery.iv©ISO2012–AllrightsreservedISO13713:2012(E)IntroductionThemooringchockisatypeofship’smooringandtowingfittinginstalledontheshipsidetoleadthemooringandtowingropefromtheship’sinboardtooutboard.Themooringchocksarenormallyadoptedforshipswhichusenylonorothersyntheticropesotherthanwireropesconsideringthesmallbendingratio(forwireropesseeISO13729.)Thetensilestrengthofropeisreduceddependingonbendradiusthroughthechockinaccordancewiththeropemanufacturer’sguidelines.©ISO2012–AllrightsreservedvShipsandmarinetechnology—Ship’smooringandtowingfit