Appendix D - Summary of Action and Limit Levels

 

Table 1 – Action and Limit Levels for Construction Noise (0700-1900 hrs of normal weekdays)

Location

Action Level

Limit Level

NM1

When one documented complaint, related to 0700 – 1900 hours on normal weekdays, is received from any one of the sensitive receivers.

75 dB(A)

NM2

65/70 dB(A)*

NM3

65/70 dB(A)*

*Daytime noise Limit Level of 70 dB(A) applies to education institutions, while 65dB(A) applies during school examination period.