Daytime Noise Monitoring Results -- Normal weekday            
                         
Station M3, Kwan Yick building(*)                  
Date Start Time End Time  Weather Noise level (dB(A)), 30 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-Mar-11 13:22 13:52 Sunny 69 70 66 Lifting, excavation work Mainly traffic noise - 18.1 0.0 RION- NL31 (S/N 00983400) RION - NC73 (S/N 10997142)
09-Mar-11 13:22 13:52 Cloudy 69 71 67 Lifting, excavation work Mainly traffic noise - 15.7 0.0 RION- NL31 (S/N 00983400) RION - NC73 (S/N 10997142)
15-Mar-11 10:23 10:53 Cloudy 69 70 66 Lifting, excavation work Mainly traffic noise - 19.0 0.0 RION- NL31 (S/N 00983400) RION - NC73 (S/N 10997142)
21-Mar-11 10:23 10:53 Sunny 68 69 67 Lifting, excavation work Mainly traffic noise - 22.9 0.0 RION- NL31 (S/N 00410224) RION - NC73 (S/N 10997142)
      Min. 68                
  Max. 69   Remark: (*): The data were 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