Station M8, Wah Lai House                  
Date Start Time End Time  Weather Noise level (dB(A)), 30 min Major Construction Noise Source(s) Observed Other Noise Source(s) Observed Remarks Temp. (°C) Wind Speed (m/s) Noise Meter Model / ID Calibrator Model / ID
Leq L10 L90
07-Feb-13 13:25 13:55 Fine 66.8 68.0 64.6 operation of mobile crane Road Traffic noise from Shek Pai Wan Road  N.A 15 <5 B&K 2238   S/N : 2381580 B&K 4231  S/N: 3003246
14-Feb-13 10:56 11:26 Fine 63.8 65.2 61.0 operation of mobile crane Road Traffic noise from Shek Pai Wan Road  N.A 16 <5 B&K 2238   S/N : 2381580 B&K 4231  S/N: 3003246
19-Feb-13 14:00 14:30 Fine 66.1 67.4 63.7 operation of mobile crane and install the tower crane  Road Traffic noise from Shek Pai Wan Road  N.A 21 <5 B&K 2238   S/N : 2381580 B&K 4231  S/N: 3003246
26-Feb-13 09:33 10:03 Sunny 65.6 66.9 63.2 operation of tower crane and loading  Road Traffic noise from Shek Pai Wan Road  N.A 21 <5 B&K 2238   S/N : 2381580 B&K 4231  S/N: 3003246
Min. 63.8
Max. 66.8