There are no specified minimum total air changes/hour for spaces other
than those listed below.
Table 1-2 Air Changes/Hr; Constant Volume v/s VAV Volume System
Areas
Minimum Design
Constant
Supply Air
Volume (CV) or
Changes/Hr
Variable Air
Volume (VAV)
Animal Research Areas
15
CV
Ante Rooms
12
See Standard
Detail 15900-7
or 15900-7A
Autopsy Suite (All rooms)
12
CV
Corridors
4
VAV
Dark Rooms
10
CV
Dialysis Rooms
6
CV
Dining Room
10
VAV
Examination Rooms
6
VAV
Intensive Care Units (ICUs)
8
CV
(All Types)
18
CV
BMT Special Areas, Patient
Rooms, Donor Rooms, Recovery
Rooms, Medical Preparation Rooms
Isolation Rooms
15
CV
Aids Patient Room
15
CV
Burn Unit
15
CV
Leukemia
12
CV
Organ Transplant
12
CV
Tuberculosis
Kitchens
10
VAV (See
Article 3.12)
Laboratories
12
CV
12
CV
Biochemistry
12
CV
Biosafety
12
CV
Cytology
12
CV
General
12
CV
Histology
HVAC DESIGN MANUAL
1-8
GENERAL REQUIREMENTS
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