3.12 Vapour detection
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Statutory Documents - IMO Publications and Documents - Resolutions - Assembly - IMO Resolution A.673(16) – Guidelines for the Transport and Handling of Limited Amounts of Hazardous and Noxious Liquid Substances in Bulk on Offshore Support Vessels – (Adopted on 19 October 1989) - Annex - Guidelines for the Transport and Handling of Limited Amounts of Hazardous and Noxious Liquid Substances in Bulk on Offshore Support Vessels - Chapter 3 - Ship Design - 3.12 Vapour detection

3.12 Vapour detection

  3.12.1 Vapour detection for the cargoes carried should be provided in accordance with the requirements contained in the International Bulk Chemical Code.

  3.12.2 Enclosed and semi-enclosed spaces containing installations for acid should be fitted with fixed vapour detection and alarm systems which provide visual and audible indication. The vapour detection systems should be capable of detecting hydrogen except that, in the case where only hydrochloric acid is carried, a hydrogen chloride vapour detection system should be provided.

  3.12.3 At least two portable instruments for detecting flammable vapour concentrations should be provided when cargoes subject to these Guidelines with a flashpoint not exceeding 60°C (closed cup test) are carried.

  3.12.4 At least two portable instruments suitable for measuring the concentration of oxygen in atmospheric air should be provided.

Parent topic: Chapter 3 - Ship Design
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