|
This table
provides suggested air changes per hour (ACH)
under normal conditions.
| Assembly
rooms |
4
- 8 |
| Bakeries |
20
- 30 |
| Banks/Building
Societies |
4
- 8 |
| Billiard
Rooms * |
6
- 8 |
| Boiler
Rooms |
15
- 30 |
| Canteens |
8
- 12 |
| Changing
Rooms Main area |
6
- 10 |
| Changing
Rooms Shower area |
15
- 20 |
| Churches |
1
- 3 |
| Cinemas
and theatres * |
10
- 15 |
| Club
rooms |
12
minimum |
| Compressor
rooms |
10
- 20 |
| Conference
rooms |
8
- 12 |
| Dairies |
8
- 10 |
| Dance
halls |
12
minimum |
| Dental
surgeries |
12
- 15 |
| Dye
works |
20
- 30 |
| Electroplating
shops |
10
- 12 |
| Engine
rooms |
15
- 30 |
| Entrance
halls & corridors |
3
- 5 |
| Factories
and workshops |
8
- 10 |
|
| |
Foundries |
15
- 30 |
| x |
Glasshouses |
25
- 60 |
| |
Gymnasiums |
6
minimum |
| |
Hospitals
- sterilising |
15
- 25 |
| |
Kitchens
- domestic |
15
- 20 |
| |
Kitchens
- commercial # |
30
minimum |
| |
Laboratories |
6
- 15 |
| |
Lavatories |
6
- 15 |
| |
Lecture
theatres |
5
- 8 |
| |
Libraries |
3
- 5 |
| |
Mushroom
houses |
6
- 10 |
| |
Paint
shops (not cellulose) |
10
- 20 |
| |
Photo
& X-ray darkrooms |
10
- 15 |
| |
Public
house bars |
12
minimum |
| |
Recording
control rooms |
15
- 25 |
| |
Recording
studios |
10
- 12 |
| |
Shops
and supermarkets |
8
- 15 |
| |
Squash
courts |
4
minimum |
| |
Swimming
baths |
10
- 15 |
| |
Welding
shops |
15
- 30 |
|
*
Increase by 50% where heavy smoking occurs or if the room
is underground.
# Some commercial kitchens may require higher ventilation
rates, based on cooking equipment in use.
|
xx
