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plenum
Standards
an air compartment or chamber, intended for the passage of air, to which one or more ducts may be connected and which forms part of an air-handling system
Source - AS 4254.2-2012: Ductwork for air-handling systems in buildings
Standards
an air compartment or chamber intended for the passage of air, to which one or more ducts may be connected and which forms part of an air-handling system
Source - AS 1668.2-2012: The use of ventilation and airconditioning in buildings
Standards
a chamber intended for the passage of air, which is remote from the air-handling plant, to which one or more ducts may be connected and which forms part of an air-handling system, excluding a ceiling void, used as a—
- (a) return air path; or
- (b) smoke exhaust path where the failure of the ceiling does not reduce the performance of the smoke exhaust system.
Source - AS 1668.1:2015: The use of ventilation and air conditioning in buildings
HB50
space, remote from the air-handling equipment, intended for the passage of air, to which one or more ducts may be connected and which forms part of an air-handling system, e.g. ceiling void