BS ISO BRITISH STANDARD 18770:2005 Ships and marine technology - Machinery-space flammable oil systems Prevention of leakage of flammable oil ICS 47.020.20 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BSISO18770:2005 National foreword ThisBritish Standard reproduces verbatimISO18770:2005 andimplements it as the UK national standard. TheUKparticipation in its preparation was entrusted by Technical Committee SME/32, Shipsand marinetechnology,toSubcommitteeSME/32/3, Piping and machinery, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI Catalogue under the section entitled "International Standards Correspondence Index", or by using the“Search" facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not ofitselfconfer immunity fromlegal obligations. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to v, a blank page, pages 1 to 17 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued sincepublication This British Standard was Amd. No. Date Comments published under the authority of the Standards Policy and Strategy Committee on 30 January 2006 @ BSI 30 January 2006 ISBN 0580472965 BS ISO 18770:2005 ISO INTERNATIONAL STANDARD 18770 First edition 2005-09-01 Ships and marine technology - Machinery-space flammable oil systems - Prevention of leakage of flammable oil Navires ettechnologie maritime-Systemes d'huiles inflammables dans les salles demachinesLignes directrices pourla prevention de fuitesd'huilesinflammables Reference number ISO 18770:2005(E) = BSISO18770:2005 Contents Page Foreword.. iv Introduction. 1 Scope 2 Terms and definitions... 3 Generalpipingsystemconsiderations.. 3.1 General..... 3.2 3.3 Inspection,maintenanceandrepairs. 3.4 Operational considerations..... 4 Flexible hose and flexible-hose assemblies ... 4.1 Application ........... 4.2 Designand construction........ 4.3 Installation.. 4.4 Inspection and maintenance .... 5 Spray shields.. 5.1 Application... 5.2 Design........ 5.3 Inspectionandmaintenance 6 Jacketed high-pressure fuel lines... 6.1 Application.... 6.2 Design...... 6.3 Inspection and maintenance ..... 7 Bellows expansion joints.... 7.1 Application .... 7.2 Design... 7.3 Installation,inspectionandmaintenance 8 Filters and strainers. 8.1 8.2 Installation,inspectionandmaintenance 9 Insulation. 6 9.1 Design... 9.2 Installation,inspectionandmaintenance.. 10 Othermechanical components..... 10.1 10.2 Pipeconnectors,joints,hangarsandsupports 11 Operational and maintenance hazards.... 11.1 General..... 11.2 High-pressurepulses infuel oil supplyand spill systems. 11.3 Design considerations...... 11.4 Installation... 11.5 Maintenance and inspection procedures... AnnexA(informative)Installationguidelinesforhoseassemblies 11 AnnexB(informative)Installationguidelinesfor spray shields 16 Bibliography ili BSIS018770:2005 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 non-governmental, in liaison with isO, also take part in the work. iso collaborates closely with the International