Table 2.4 Action and Limit Levels for Construction Noise
|
Time Period |
Action Level |
Limit Level |
|
0700 – 1900 hours on normal weekdays |
When one documented complaint is received from any one of the
sensitive receivers |
75 dB(A)* |
|
1900-2300 on all days and 0700-2300 on general holidays (including
Sundays) |
60/65/70 dB(A)** |
|
|
2300-0700 on all days |
45/50/55 dB(A)** |
* Reduced
to 70dB(A) for schools or institution and 65dB(A) during school examination
periods
** To be selected based on the
Area Sensitivity Rating of A/B/C, and the conditions of the applicable CNP(s) must be followed.