System installation
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC.1/Circular.1291 – Guidelines for Flooding Detection Systems on Passenger Ships – (9 December 2008) - Annex – Guidelines for Flooding Detection Systems on Passenger Ships - System installation

System installation

  6 A flooding detection system should be fitted in all watertight spaces below the bulkhead deck that:

  • .1 have a volume, in cubic metres (m3), that is more than the ship’s moulded displacement per centimetre (cm) immersion at deepest subdivision draught; or

  • .2 have a volume more than 30m3,

 whichever is the greater.

  7 Any watertight spaces that are separately equipped with a liquid level monitoring system (such as fresh water, ballast water, fuel, etc.), with an indicator panel or other means of monitoring at the navigation bridge (and the safety centre if located in a separate space from the navigation bridge), are excluded from these requirements.


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