Technical Memorandum on Noise from Construction Work Other Than Percussive Piling
| Table 2 - Basic Noise Levels (BNLs) |
| Time Period |
ASR |
| |
A |
B |
C |
|
All days during the evening (1900 to 2300 hours), and general holidays (including Sundays) during the day-time and evening (0700 to 2300 hours)
|
60
|
65
|
70
|
|
All days during the night-time (2300 to 0700 hours)
|
45
|
50
|
55
|
|
|
     |