| Type Application |
Problem |
Ceiling Height (feet) |
Air Change Rate Per hour |
Recommended Amount Outside Air |
Remarks |
Minimum Air
Filler Efficiency
ASHRAE Std. 52 |
| Recommended |
Minimum |
Airline Reservaion
Centers and
Telecommunications
Centers
|
Tobacco Smoke
|
8-10
12-14
16-18
|
15
12
10
|
12
10
8
|
10％
10％
10％
|
|
55％
55％
55％
|
Airport Terminals
|
Jet, Truck, Bus
and Auto Fumes
Tobacco Smoke
Food Odors
|
8-10
12-14
16-18
|
10
8
7
|
9
7
7
|
10％
10％
10％
|
|
80％
80％
80％
|
Animal Laboratories
|
Animal and
Medical Odors
|
8-10
12-14
|
25
20
|
23
18
|
25％
25％
|
Air Distribution
Important Consideration
|
95％DOP
|
Bingo Halls and
Casinos
|
Tobacco Smoke
and Odor
|
8-10
12-14
16-18
|
17
15
13
|
16
14
12
|
10％
10％
10％
|
1 Person/20 Sq. Ft.
1 Person/25 Sq. Ft.
1 Person/30 Sq. Ft.
|
55％
55％
55％
|
Bowling Centers
|
Tobacco Smoke
Beer and Perspiration
Odors
|
10-12
|
10
|
8.5
|
10％
|
|
55％
|
Computer Rooms
|
Outside air contami-
nants; computer qener-
ated dust and qases
|
8-10
|
20
|
18
|
Minimun
|
Under Floor, Through
Cabinet Air Distribution
|
40-55％
|
Conference and
Meeting Rooms
|
Tobacco Smoke
and Odor
|
8-10
12-14
16-18
|
15
12
10
|
13
10
10
|
10％
10％
10％
|
|
55％
55％
55％
|
Convention Centers
and Sports Arenas
|
Heavy Tobacco
Smoke and Animal
Odors
|
30-40
40-50
50-60
60-80
80-100
|
8
7
6
5
4
|
7
6
5
4
4
|
5 CFM/Person
5 CFM/Person
5 CFM/Person
5 CFM/Person
5 CFM/Person
|
|
55％
55％
55％
55％
55％
|
Data Processing
Centers
|
Dust and Dirt
Deposition
|
8-12
|
30
|
25
|
10％
|
Under Floor Air Distribution
High Speed Printers
|
80％
|
Department Stores
|
Dust, Dirt and
Food Odors
|
10-15
|
10
|
8
|
10％
|
|
80％
|
Graphic Aris
Industry
|
Soivent Odors
Dust and Dirt
Deposition
|
8-10
10-12
12-15
|
20
18
16
|
18
16
14
|
10％
10％
10％
|
Or Amount to Balance
Exhaust Air
|
80％
80％
80％
|
Hospital Operating
Suites
|
Medical Odors
|
10-12
|
25
|
25
|
25％
|
In Accordance with
USPHS Recommendations
|
95％DOP
|
Laboratories
|
Chemical Odors, Dust
and Dirt Deposition
|
8-10
12-14
|
20
18
|
18
16
|
15％
15％
|
Outside Air to Balance
Exhaust Air Hoods
|
80％
|
Libraries and
Museums
|
Dust and Dirt
Deposition
|
10-12
14-16
|
12
10
|
10
8
|
10％
10％
|
|
90％
|
Magnetic Tape or
Film Manufacturing
and Processing
|
Chemical Odors
|
10-12
14-16
|
18
16
|
16
15
|
15％
15％
|
|
90％
90％
|
Nursing and Special
Care Institutions
|
Medical and Human
Waste Odors
|
8-10
|
15
|
13
|
10％
|
|
90％
|
Office Buildings
|
Tobacco Smoke
and Odor
|
8-10
|
10
7.5
5
4.5
|
8.5
6
4.5
4
|
10％
10％
10％
10％
|
1 Person/30 Sq.Ft.
1 Person/50 Sq.Ft.
1 Person/75 Sq.Ft.
1 Person/100 Sq.Ft.
|
55％
55％
55％
55％
|
Pistol Ranges
|
Lead Dust
and Fumes
|
|
20 min.
|
|
|
Air Distrlbution is Critical-
50 FPM Face Velocity Down
Range of Shooting Booth
(Minimum Allowed)
|
45-55％
(Pre-Filter)
85-95％
(Final Filter)
|
Precision
Manufacturing
|
Oil and Process
Exhaust Fumes
|
10-12
14-16
|
20
18
|
18
17
|
15％
15％
|
|
80％
80％
|
Restaurant Dining
Areas and Lounges
|
Tobacco Smoke
Food Odors
|
8-10
12-14
16-18
|
15
13
11
|
13
11
10
|
10％
10％
10％
|
1 Person/35 Sq. Ft.
1 Person/50 Sq. Ft.
1 Person/75 Sq. Ft.
|
55％
55％
55％
|
|
Grills or Fryers in Open Restaurant Areas Will Increase Air change Rate by 30％
|
|
Telephone Central
Switching Stations
|
Dust and Dirt
Deposition on
Electuical Equopment
|
Step Switch
12-15
Elect.Switch
12-15
|
9
18
|
7
15
|
10％
10％
|
Air Distribution Pattern
Important to all Equipment
|
80％
80％
|
Vocational or
Technical Schools
|
Welding and
Machine Fumes
|
10-12
14-16
|
18
16
|
16
14
|
15％
15％
|
|
