Restricted Hours Noise Monitoring Results -- Night time 
Station M3, Kwan Yick Building
Date Start Time End Time  Weather Noise level (dB(A)), 15 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
27-Jun-12 23:00 23:15 Fine 65 67 63 No outdoor construction noise Mainly traffic noise - 29.4 <5 B&K 2238   S/N: 2385180 B&K 4231   S/N: 2656516
Min. 65
Max. 65
Station M5a, Chuk Lam Ming Tong
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
06-Jun-12 23:00 23:15 Fine 63 60 52 No major construction workd on surface Traffic noise at San Wan Drive  N.A 28.3 <5 B&K 2238   S/N : 2684502 B&K 4231  S/N: 2656516
19-Jun-12 23:00 23:15 Cloudy 62 60 52 No major construction workd on surface Traffic noise at San Wan Drive  N.A 28.2 <5 B&K 2238   S/N : 2385180 B&K 4231  S/N: 2656516
Min. 62
Max. 63
Station M6a, Aegean Terrace
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
14-Jun-12 23:00 23:15 Fine 58 59 54 Works inside tunnel Local traffic of Aegean Terence  According to contractor, general construction works was in process accordance to CNP.
Free-field measurement, +3dB correction.		 27.4 <5 B&K 2238       S/N : 2385180 B&K 4231  S/N: 2656516
Min. 58
Max. 58