9 Compressed air in dry pipe and combination systems and hydropneumatic tanks
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Resolutions - Maritime Safety Committee - Resolution MSC.44(65) - Standards for Fixed Sprinkler Systems for High Speed Craft - (adopted on 11 May 1995) - Annex - Standards for Fixed Sprinkler Systems for High Speed Craft - 9 Compressed air in dry pipe and combination systems and hydropneumatic tanks

9 Compressed air in dry pipe and combination systems and hydropneumatic tanks

  9.1 Dry pipe systems should be arranged such that water will discharge from the farthest sprinkler within 60 s of actuation of the sprinkler.

  9.2 Compressed air may be taken from a dedicated compressor or other reliable source.

  9.2.1 A means should be provided to prevent water from entering the air supply system.

  9.3 Air pressure should be automatically maintained to account for normal pressure fluctuations and air supply should be arranged to prevent significant qualities entering the system when the sprinklers activate.

  9.4 An alarm should be provided on the bridge to indicate low pressure in a dry pipe system.

Parent topic: Annex - Standards for Fixed Sprinkler Systems for High Speed Craft
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