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
24-Apr-13 22:45 23:00 Fine 57.8 60.7 52.7 Tunnel works Road Traffic noise from Shek Pai Wan Road and cars from residents of Wah Lai House Major noise source -- road traffic noise. 25 <5 B&K 2238       S/N : 2800932 B&K 4231  S/N: 3004068
Min. 57.8
Max. 57.8