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
07-Aug-11 08:29 08:44 Fine 64 66 62 No outdoor construction noise Mainly traffic noise N.A 31.0 0.2 RION- NL31 (S/N 00983400) RION - NC73 (S/N 10997142)
21-Aug-11 09:46 10:01 Sunny 64 66 61 No outdoor construction noise Mainly traffic noise N.A 31.0 0.2 RION- NL31 (S/N 00983400) RION - NC73 (S/N 10997142)
28-Aug-11 14:43 14:58 Sunny 66 68 64 Operation of mobile crane and mud out Mainly traffic noise N.A 29.0 0.2 B&K 2238   S/N:  2684502 B&K 4231  S/N: 2385180
      Min. 64                
      Max. 66                
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
11-Aug-11 20:30 20:45 Fine 67 68 65 Loading activities Road traffic noise from Western Harbour Crossing, engine of turbojet,  planes and helicopter overhead. N.A 28.7 <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
31-Aug-11 19:00 19:15 Fine 67 68 65 Mud out Road traffic noise from Western Harbour Crossing, engine of turbojet,  planes and helicopter overhead. N.A 30.6 <5 B&K 2238   S/N : 2684502 B&K 4231  S/N: 2385180
      Min. 67                
      Max. 67