21.2.1 Ventilation
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Statutory Documents - MCA Publications - MGN 280 - Small Vessels in Commercial Use for Sport or Pleasure, Workboats and Pilot Boats - Alternative Construction Standards - 21 Accommodation - 21.2 Vessels at Sea for More than 24 Hours - 21.2.1 Ventilation

21.2.1 Ventilation

 Where air conditioning systems are not fitted, mechanical ventilation should be provided to accommodation spaces which are situated completely below the level of the weather deck on vessels making long international voyages or operating in tropical waters, and which carry 9 or more berthed persons below deck. As far as practicable, such ventilation arrangements should be designed to provide at least 6 changes of air per hour when the access openings to the spaces are closed.

Parent topic: 21.2 Vessels at Sea for More than 24 Hours
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