Regulation II-2/20.3.1.4.1 – Closing appliances and ducts
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Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC.1/Circular.1434 – Unified Interpretations of SOLAS Chapter II-2 – (31 May 2012) - Annex – Unified Interpretations of SOLAS Chapter II-2 - Regulation II-2/20.3.1.4.1 – Closing appliances and ducts

Regulation II-2/20.3.1.4.1 – Closing appliances and ducts

  1 Access routes to the controls for closure of the ventilation system "permit a rapid shutdown" and adequately "take into account the weather and sea conditions" if the routes:

  • .1 are clearly marked and at least 600 mm clear width;

  • .2 are provided with a single handrail or wire rope lifeline not less than 10 mm in diameter, supported by stanchions not more than 10 m apart in way of any route which involves traversing a deck exposed to weather; and

  • .3 are fitted with appropriate means of access (such as ladders or steps) to the closing devices of ventilators located in high positions (i.e. 1.8 m and above).

  2 Alternatively, remote closing and position indicator arrangements from the bridge or a fire control station for those ventilator closures is acceptable.


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