Restricted Hours Noise Monitoring Results -- 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
20-Nov-11 13:37 13:52 Sunny 68 69 66 Operation of excavator and loading  Mainly traffic noise N.A 22.9 <5 B&K 2238   S/N:  2381580 B&K 4231  S/N: 2385180
20-Nov-11 13:37 13:52 Sunny 68 69 66 Operation of excavator and loading  Mainly traffic noise N.A 22.9 <5 B&K 2238   S/N:  2381580 B&K 4231  S/N: 2385180
      Min. 68                
      Max. 68                
Restricted Hours Noise Monitoring Results -- Evening time           
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
01-Nov-11 19:35 19:50 Fine 67 69 65 Operation of mobile crane Road traffic noise from Western Harbour Crossing, engine of turbojet,  planes and helicopter overhead. N.A 24.6 <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
29-Nov-11 19:00 19:15 Fine 69 70 67 Rock out and loading Road traffic noise from Western Harbour Crossing, engine of turbojet,  planes and helicopter overhead. N.A 22.7 <5 B&K 2238   S/N : 2684502 B&K 4231  S/N: 2385180
      Min. 67                
      Max. 69