Restricted Hours Noise Monitoring Results -- Evening time           
Station M8a, Wai Lai House
                   
Date Start Time End Time  Weather Noise level (dB(A)), 5 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
03-Jul-13 22:45 23:00 Fine 62.4 61.4 55.8 Tunnel works Road Traffic noise from Shek Pai Wan Road and cars from residents of Wah Lai House Major noise source -- road traffic noise. 29.7 <5 B&K 2238   S/N : 2381580 B&K 4231  S/N: 3003246
31-Jul-13 22:45 23:00 Fine 63.9 63.9 55.0 Tunnel works Road Traffic noise from Shek Pai Wan Road and cars from residents of Wah Lai House Major noise source -- road traffic noise. 29.4 <5 B&K 2238   S/N : 2381580 B&K 4231  S/N: 3004068
Min. 62.4
Max. 63.9