Appendix I    Impact Daytime Construction Noise Monitoring Results 
Location : M2 (West Tai Wo - Free Field)
Day time 07:00-19:00 hrs Normal Weekdays Impact Noise Monitoring Results
  Measured Noise Level for 30-min, dB(A) Limit Level, dB(A) Exceedance (Y/N)
Date Start Time Leq* L10* L90*
5-May-21 14:05 67.1 68.5 64.5 75 N 1778279.41 4466835.922 3715352.291
11-May-21 13:05 68.1 69.5 65.0 75 N 3981071.706 5623413.252 2511886.432
17-May-21 10:50 64.7 66.5 61.0 75 N 4365158.322 6606934.48 2238721.139
28-May-21 11:00 66.3 67.0 63.0 75 N 2187761.624 2511886.432 1258925.412
  Min 64.7 66.5 61.0 64.2 66.5 63.7
Max 68.1 69.5 65.0
Average 66.7 68.0 63.6
Location : M3 (Fanling Government Secondary School- Façade)
Day time 07:00-19:00 hrs Normal Weekdays Impact Noise Monitoring Results
  Measured Noise Level for 30-min, dB(A) Limit Level, dB(A)^ Exceedance (Y/N)
Date Start Time Leq L10 L90
5-May-21 15:00 63.2 64.5 61.0 70 N 316227.766 1258925.412 1000000
11-May-21 10:55 63.6 65.0 61.5 70 N 1288249.552 1584893.192 398107.1706
17-May-21 10:00 60.2 61.0 57.0 70 N 3801893.963 4265795.188 1949844.6
28-May-21 10:00 60.1 61.0 56.0 70 N 891250.9381 1122018.454 446683.5922
  Min 60.1 61.0 56.0 62.1 63.8 60.7
Max 63.6 65.0 61.5
Average 62.1 63.3 59.5
*  +3dB(A) Façade effect correction included
^ Limit Level of 70dB(A) applies to education institutes while 65dB(A) applies during school examination period.