Appendix B Action and Limit Levels
for Noise Monitoring
Table B.1 presents the Action and Limit (AL) levels for
construction noise other than percussive piling.
Table B.1
|
Parameters |
Action |
Limit |
|
Noise Levels at the NSR's at Long Tsai Tsuen/Hung
Shing Ye and school within the village of Tai Wan San Tsuen predicted by the
noise alarm monitoring system |
When one or more documented complaints are
received |
a. 75 dB(A) in LAeq,30 min
(07:00-19:00 hrs on normal weekdays) (Note 1) b. subject
to statutory control under the Noise Control Ordinance (07:00-23:00 hrs on holidays and 19:00-23:00 hrs on
all other days). Set to 60 dB(A) in LAeq,5 min c. subject to statutory control under the Noise Control Ordinance (23:00-07:00 hrs of next day). Set to 45 dB(A) in LAeq,5 min |
|
Manual noise monitoring at the nearest Pak Kok
Tsui residences to cable landing points N4 and N5 |
||
|
Note: 1.
For
educational institution, the limit level shall be 70 dB(A), reduced to 65
dB(A) during examination periods. |
||