3.2 Vapour line connections
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC/Circular.585 – Standards for Vapour Emission Control Systems – (Adopted on 16 April 1992) - Annex - Standards for Vapour Emission Control Systems - 3 Shoreside Terminals - 3.2 Vapour line connections

3.2 Vapour line connections

  3.2.1 A remotely operated cargo vapour shutoff valve should be provided in close proximity to each terminal vapour connection. This valve should meet the following:

  • .1 be located between any point where inerting, enriching, or diluting gas is introduced into the vapour collection line and the terminal vapour connection;

  • .2 be capable of manual operation or manual activation;

  • .3 have valve operating position readily determined visually; and

  • .4 be resistant to fire.

  3.2.2 The end of each vapour collection pipe, vapour collection hose, or vapour collection arm should be readily identifiable to prevent misconnection.

  3.2.3 Each terminal vapour connection flange should conform to the provisions referred to in section 2.3.3 of these standards.

  3.2.4 Each vapour collection hose or arm should meet the following:

  • .1 be suitable for the intended service;

  • .2 be electrically continuous; and

  • .3 have an extra hole in each flange in accordance with the applicable industry standardfootnote.

  3.2.5 The terminal vapour connection should be electrically insulated from the tanker vapour connection by the use of an insulating flange or a single section of insulating hose.

Parent topic: 3 Shoreside Terminals
Copyright 2022 Clasifications Register Group Limited, International Maritime Organization, International Labour Organization or Maritime and Coastguard Agency. All rights reserved. Clasifications Register Group Limited, its affiliates and subsidiaries and their respective officers, employees or agents are, individually and collectively, referred to in this clause as 'Clasifications Register'. Clasifications Register assumes no responsibility and shall not be liable to any person for any loss, damage or expense caused by reliance on the information or advice in this document or howsoever provided, unless that person has signed a contract with the relevant Clasifications Register entity for the provision of this information or advice and in that case any responsibility or liability is exclusively on the terms and conditions set out in that contract.