Restricted Hours Noise Monitoring Results- Evening time
Station M8, Wah Lai House
Date Start Time End Time  Weather Noise level (dB(A)) 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
04/12/2013-a 22:45 22:50 Fine 59.4 61.0 51.5 Tunnel works Road Traffic noise from Shek Pai Wan Road and cars from residents of Wah Lai House Major noise source -- road traffic noise. 19.2 <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 3004068
04/12/2013-b 22:50 22:55 Fine 59.8 61.5 51.5 19.2 <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 3004068
04/12/2013-c 22:55 23:00 Fine 63.2 62.0 52.5 19.2 <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 3004068
04-Dec-13 22:45 23:00 Fine 64.2 64.5 54.9 Tunnel works Road Traffic noise from Shek Pai Wan Road and cars from residents of Wah Lai House Major noise source -- road traffic noise. 19.2 <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 3004068