Types of spaces | dB(A) | NC |
Hospitals |
|
|
Private rooms, Wards, Nurseries, Operating rooms | 35 - 45 | 30 - 40 |
Laboratories, Areas for public use | 40 - 50 | 35 - 45 |
Service areas | 45 - 55 | 40 - 50 |
Schools |
|
|
Libraries, Music rooms, Drawing rooms | 35 - 45 | 30 - 40 |
Classrooms, Laboratories | 40 - 50 | 35 - 45 |
Circulation spaces | 45 - 55 | 40 - 50 |
Hotels |
|
|
Rooms | 35 - 45 | 30 - 40 |
Restaurants, Sitting rooms | 40 - 50 | 35 - 45 |
Front door, Reception desk, Circulation spaces | 45 - 55 | 40 - 50 |
Private Homes |
|
|
Bedrooms | 35 - 45 | 30 - 40 |
Living rooms | 40 - 50 | 35 - 45 |
Auditoriums |
|
|
Concert rooms, Theaters | 30 - 40 | 25 - 30 |
Conference rooms, Cinemas, Multipurpose rooms | 35 - 45 | 30 - 35 |
Restaurants | 40 - 50 | 35 - 45 |
Offices |
|
|
Meeting rooms | 30 - 40 | 25 - 35 |
Management rooms, design and administration rooms | 35 - 45 | 30 - 40 |
Computer rooms | 45 - 65 | 40 - 60 |
Copy rooms | 50 - 60 | 45 - 55 |
Churches and Places of Worship (meditative worship) | 40 - 50 | 35 - 45 |
Sports Venues |
|
|
Enclosed pavilions for shows and sports activities | 45 - 60 | 40 - 55 |