Restricted Hours Noise Monitoring Results -- Evening Time and  Daytime on Public Holiday    
Station M3, Kwan Yick building                  
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-Feb-13 08:52 09:07 Sunny 64.9 66.5 62.7 No outdoor construction noise Mainly traffic noise - 18 0.3 RION- NL31 (S/N 00603867) RION - NC73 (S/N 10997142)
17-Feb-13 17:18 17:33 Sunny 66.4 68.7 63.2 No outdoor construction noise Mainly traffic noise - 19 0.4 RION- NL31 (S/N 00603867) RION - NC73 (S/N 10997142)
24-Feb-13 15:22 15:37 Fine 67.0 68.7 64.9 No outdoor construction noise Mainly traffic noise - 18 <5 B&K 2238   S/N: 2381580 B&K 4231   S/N: 3003246
                           
Min. 64.9
Max. 67.0
Remark:  The data (3 and 17 February) was provided by Contract No. DC/2007/23. 
Calibration certificates for the noise meter(s) and calibrator(s) used were included in the corresponding Monthly EM&A Report for this Contract
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
03-Feb-13 13:10 13:25 Fine 58.4 59.5 52.1 No major construction works Local traffics of Aegean Terrace According to contractor, general construction works was in process accordance to CNP.
Free-field measurement, +3dB correction.
19 <5 B&K 2238        S/N : 2381580 B&K 4231     S/N: 3003246
Min. 58.4
Max. 58.4
Station M8, Wah 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
17-Feb-13 11:22 11:37 Sunny 60.0 62.2 57.3 No major constructin works Road Traffic noise from Shek Pai Wan Road N.A 17 <5 B&K 2238   S/N : 2381580 B&K 4231  S/N: 3003246
Min. 60.0
Max. 60.0