BUILDING · building
Building
Main plant building — footprint, volume, and ventilation basis for ACH.
Envelope
- Footprint
- 300 ft × 240 ft (72,000 ft²)
- Height (gross)
- 16 ft
- Drop ceilings
- Some rooms 10–12 ft
- Gross volume @ 16 ft
- 1,152,000 ft³
- Use
- Fume-hood exhaust dominant
Air changes (basis)
- Main AHU total CFM
- 110,000 (2 × 55,000) full fan
- Typical fan run
- ~98% VFD
- Total ACH @ full fan
- ~5.7 (near-constant)
- OA ACH @ 30% damper
- ~1.7
- OA ACH @ 50% damper
- ~2.9
- Make-up path
- All make-up via AHU OA dampers