HVAC VALIDATION

[GIRISHKUMAR (Girish Kumar Patnayakuni)]

sir,

How do identification & calculation of

1. Avg. air velocity in grill of Room.
2. Air changes limits for rooms. (based on grades B,C and D)
3. Number of NVPC locations in room?.
4. NVPC recovery study time limit.?
5. NVPC recover study location selection?.
6. NVPC 95% USL Calculation?

Please explain?