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*
3-Mar-20 14:45 66.2 68.0 64.9 75 N 5128613.84 7943282.347 3548133.892
9-Mar-20 14:00 66.8 68.0 63.0 75 N
20-Mar-20 10:30 69.3 69.9 68.1 75 N
26-Mar-20 14:30 69.7 72.4 67.2 75 N 9332543.008 13182567.39 9332543.008
31-Mar-20 15:05 66.8 68.7 65.0 75 N 4570881.896 5623413.252 2238721.139
  Min 66.2 68.0 63.0 67.6 69.0 66.3
Max 69.7 72.4 68.1
Average 68.0 69.7 66.0
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
3-Mar-20 14:00 63.7 64.9 62.0 70 N 1096478.196 1778279.41 630957.3445
9-Mar-20 13:00 60.1 61.5 57.5 70 N
20-Mar-20 11:30 59.8 61.7 58.4 70 N
26-Mar-20 11:15 67.5 69.1 65.3 70 N 4168693.835 6456542.29 2691534.804
31-Mar-20 14:13 63.9 65.5 62.5 70 N 1548816.619 1778279.41 794328.2347
  Min 59.8 61.5 57.5 62.9 64.5 60.6
Max 67.5 69.1 65.3
Average 63.9 65.5 62.0
*  +3dB(A) Façade effect correction included
^ Limit Level of 70dB(A) applies to education institutes while 65dB(A) applies during school examination period.