An underfloor plenum is the open service distribution space between a structural concrete slab and the underside of a raised, or access, floor system (Figure 4.1a). As shown in the photo in Figure ...

Incorporating a plenum can have its design advantages, but corridors serving adjoining areas of health care occupancies are prohibited from being used for a portion of an air supply, air return, or ...

The installation of a raised floor system and the many advantages that it produces in terms of improved cable management, flexibility, and life-cycle cost savings will, in many cases, be the main ...

While exposed ceilings in office interiors lend a spacious, open feel, this trendy architectural feature has created a new challenge: finding a viable return air path. Plenum ceilings use the area ...