Appendix B - Action and Limit Levels
Table B-1
Action and Limit Levels for Construction Noise
Time Period
700-1900 hrs on normal weekdays
Action Level
Limit Level
5 dB(A)
When one
documented
complaint is received
7
0
7
0dB(A)/65dB(A)*
Remarks: If works are to be carried out during restricted hours, the conditions stipulated in the Construction
Noise Permit (CNP) issued by the Noise Control Authority have to be followed. *70dB(A) and
6
5dB(A) for schools during normal teaching periods and school examination periods,
respectively.
Appendix B