19-99 -6325 87 29h9h00 E06Th ISO INTERNATIONAL STANDARD 6325 Second edition 1987-07-15 INTERNATIONALORGANIZATIONFOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATION Shipbuilding -- Cable stoppers Construction navale - Stoppeurs de chaine Referencenumber ISO 6325 : 1987 (E) 4851903 0046463 8 6325-87 Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through Iso technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, govern- mental and non-governmental, in liaison with Iso, also take part in the work. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the Iso Council. They are approved in accordance with IsO procedures requiring at least 75 % approval by the member bodies voting. international Standard ISO 6325 was prepared by Technical Committee ISO/TC 8, Shipbuilding and marine structures. This second edition cancels and replaces the first edition (ISo 6325 : 1979), of which it constitutesaminorrevision. Users should note that all International Standards undergo revision from time to time and that anyreference made herein to any other International Standard impliesits latestedition,unlessotherwisestated. @ International Organization for Standardization, 1987 Printed in Switzerland Not for Resale 6325.87 EOLTSh hoo 8 INTERNATIONAL STANDARD ISO 6325 :1987 (E) Shipbuilding - Cable stoppers 1 Scope and field of application 3.1 cable stopper: Device which is secured to the ship's structure separate from the cable lifter, for the purpose of This International Standard specifies requirements for the func- securingachaincableagainstthetensionfromtheanchor. tion, operation, design, construction, safety and strength of cable stoppers for use with marine windlasses and anchor The stopper also serves as a guide for the chain cable during capstans(asdefinedinisO4568). operation. 3.2 Classes References 3.2.1 class A cable stopper: Cable stopper designed and constructed to withstand without permanent deformation 80 % of the nominal breaking load of the maximum diameter Iso 1704, Shipbuilding - Anchor chains. and highest grade of chain cable for which it is intended. Iso 3828, Shipbuilding and marine structures Deck machinery -- Vocabulary. 3.2.2 class B cable stopper: Cable stopper designed and constructed towithstandwithoutpermanentdeformation Iso 4568, Shipbuilding -- Sea-going vessels - Windlasses 40 % of the nominal breaking load of the maximum diameter and anchor capstans. and highest grade of chain cable for which it is intended. ISO7825, Shipbuilding- Deck machinery General 3.3 Cable stopper side requirements. 3.3.1 right-hand cable stopper: Cable stopper which is operated from the right-hand side when seen from the cable lifter. (See figure 1.) 3Definitions 3.3.2 left-hand cable stopper: Cable stopper which is For the purposes of this International Standard, the definitions operated from the left-hand side when seen from the cable given in Iso 3828 and the following definitions apply. lifter.(See figure 1.) Hawsepipe Left-hand'cable stopper -Right-handcablestopper Bar in openposition Bar in closed position Pivot point .Pivot point Centre-line of chain cable Windlass NOTE Figure 1 is includedfor information only.Itdoes not imply that the bar is the only possible means of blocking.Other means (for example those in screw-type stoppers) can be used. Figure 1 - Cable stopper side 1 Copyright International Organization for Standardization