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-Feb-14 13:30 69.8 71.5 65.0 75 N
14-Feb-14 14:30 67.9 69.0 64.3 75 N
20-Feb-14 15:50 67.9 69.6 65.5 75 N
26-Feb-14 13:21 67.9 70.1 64.5 75 N
Min 67.9 69.0 64.3
Max 69.8 71.5 65.5
Average 68.4 70.1 64.8
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-Feb-14 14:30 62.3 64.0 59.5 70 N
14-Feb-14 13:45 62.1 63.6 60.2 65 N
20-Feb-14 15:10 63.7 65.3 60.9 65 N
26-Feb-14 13:02 63.8 65.1 61.1 65 N
Min 62.1 63.6 59.5
Max 63.8 65.3 61.1
Average 63.0 64.5 60.4
 
*  +3dB(A) Façade effect correction included  
^ Limit Level of 70dB(A) applies to education institutes while 65dB(A) applies during school examination period.