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Ventilation - Coggle Diagram
Ventilation
Citadel (Ship wide CBRN shelter, increasing atmospheric pressure by AFU's and creating a gas tight state)
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Air Bleed Valve - fitted to maintain habitability between compartments, will operate if pressure exceeds 1/2 on a WG
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Following a crash stop all vent intakes should be checked for smoke, welding fumes and debris
Filters
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Supply Filters
Polyurethane, fitted in ATU systems between the Plenum and Cooler
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Types
Fan Supply & Exhaust
Used to remove large quantities of wild heat, moisture and noxious fumes, coupled with the need for fresh air for personnel - MS's, galley's, laundries, WC'S & Bathrooms
Fan Supply
Supply of fresh air is the primary objective, e.g store rooms & workshops
Fan Exhaust
Removal of noxious gases / flammable vapours is priority, paint stores, inflam lockers, spirit rooms
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Special Requirements
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Sewage Treatment Space - 15 air changes an hour, separate exhaust system, excess exhaust capacity
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