Constant
Areas
Minimum Design
Volume (CV) or
Supply Air
Variable Air
Changes/Hr
Volume (VAV)
12
CV
Nuclear Medicine
12
CV
Pathology
12
CV
Special Chemistry
Medical Media See Article 3.16
Minor Operating Rooms (0.R.s)
12
CV
(Trauma Rooms)
Operating Rooms (O.R.s)
15 (Occupied)
8 (Unoccupied)
Patient Rooms
4
VAV
Recovery Rooms
8
CV
SPD
See Article
CV
3.20
Special Procedure Rooms
12
CV
Bronchoscopy
15
CV
Cardiac Catheterization
6
CV
Colonoscopy/EGD
15
CV
Cystoscopy
6
CV
Endoscopy
6
CV
Fluoroscopy
10
CV
GI (Gastrointestinal)
6
CV
Proctoscopy
6
CV
Sigmoidoscopy
Smoking Area
12 (Occupied)
CV with two
6(Unoccupied)
settings
Storage Areas
4
CV
Treatment Room
6
VAV
Waiting Room
6
CV
Notes:
(a) If the intensive care units are equipped with individual toilets
for each bed, then each toilet shall be exhausted at the rate of 2.2 Cu
M/Min (80 CFM). See Article 3.10.
(b) The VA policy for the AIDS patient rooms is that, during the
initial stages of the disease, and with no other complications, the
patient can be treated in a normal patient room with no specific
requirements for air changes and room pressure relationship. If the
HVAC DESIGN MANUAL
1-9
GENERAL REQUIREMENTS
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