HVAC REQUIREMENTS IN SPD
(REFER TO VA DESIGN GUIDE, SUPPLY, PROCESSING, AND DISTRIBUTION)
(Refer to Equipment Reference Manual PG-18-6 for equipment details)
1. Indoor Design Conditions:
Area
Summer
Winter
HVAC Design
Degree C
Degree C
Manual Ref.
(Degree F)
(Degree F)
SPD
24 (76) 50% RH
22 (72) 30% RH
Table 1-1
ETO & Steam sterilizer
Ventilation only
Ventilation only
Table 1-1
mechanical space
2. Maintain Air Changes as per table.
Table 3-4
Area
Minimum Supply Air
Room Pressure
Changes Per Hour
Administrative Office
4
0
Corridors
4
0
Lounge
6
0
Soiled Contamination Area
10
Negative
Clean Preparation Area
10
Negative
Lockers, toilets, and shower
10
Negative
ETO Sterilizer/ Aerator Room
10
Negative
Equipment Wash Area
10
Negative
Equipment Room
10
0
Equipment Storage and
4
0
Testing Room
ETO Sterilizer
10
Negative
General Storage Room
4
0
3. Maintain negative pressure in SPD area, positive pressure in
3.20.8.2
clean and preparation area, and negative pressure in soiled and
dirty area
4. Maintain NC-45 in SPD area.
Table 1-5
5. Filtration: Prefilters 30%, and After-filters 85%
Table 2-1
Contact Satish Sehgal @ 202-565-5032, Kurt Knight @ 202-565-4663, Don Walden 202-565-5014 or Sat Gupta @
202-565-5268 for additional information.
September 2001
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