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-Mar-18 14:00 66.0 68.0 64.0 75 N 3981071.706 6309573.445 2511886.432
16-Mar-18 11:30 67.6 69.2 65.3 75 N 5754399.373 8317637.711 3388441.561
22-Mar-18 14:00 67.7 69.0 65.0 75 N 5888436.554 7943282.347 3162277.66
28-Mar-18 15:35 67.8 69.5 65.2 75 N 6025595.861 8912509.381 3311311.215
31-Aug-16 9:54 69.6 71.2 66.4 75 N 9120108.394 13182567.39 4365158.322
Min 66.0 68.0 64.0 67.3 69.0 64.9
Max 67.8 69.5 65.3
Average 67.3 69.0 64.9
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-Mar-18 13:00 60.5 61.5 58.0 70 N 1122018.454 1412537.545 630957.3445
16-Mar-18 10:27 65.2 67.0 63.1 70 N 3311311.215 5011872.336 2041737.945
22-Mar-18 13:00 66.1 61.5 57.5 70 N 4073802.778 1412537.545 562341.3252
28-Mar-18 14:40 65.8 67.7 63.2 70 N 3801893.963 5888436.554 2089296.131
31-Aug-16 10:46 64.9 66.0 62.1 70 N 3090295.433 3981071.706 1621810.097
Min 60.5 61.5 57.5 64.9 65.4 61.2
Max 66.1 67.7 63.2
Average 64.9 65.4 61.2
*  +3dB(A) Façade effect correction included
^ Limit Level of 70dB(A) applies to education institutes while 65dB(A) applies during school examination period.