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
05-Sep-10 13:29 13:34 Sunny 67 69 65 Maintenance Traffic noise - 27.8 <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
12-Sep-10 * * Rainy * * * * * The noise monitoring of Public Holiday of M3 was cancelled due to poor weather on 12th Sept, 2010 * <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
19-Sep-10 11:40 11:45 Foggy 67 69 64 Operating bentonite filitering plant ,hydraulic extractor Traffic noise - 30.6 <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
26-Sep-10 11:12 11:17 Sunny 66 68 64 Maintenance Traffic noise - 31.1 <5 B&K 2238   S/N : 2684502 B&K 4231  S/N: 2385180
00-Jan-00 - - - - - - - - - - - - -
00-Jan-00 - - - - - - - - - - - - -
      Min. 66                
      Max. 67                
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
02-Sep-10 22:45 23:00 Fine 67 68 65 Operating bentonite filitering plant and hydraulic excavator Road traffic noise from Western Harbour Crossing, engine of turbojet,  planes and helicopter overhead. N.A 29.5 <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
16-Sep-10 22:45 23:00 Fine 68 68 67 Operating bentonite filitering plant and hydraulic excavator Road traffic noise from Western Harbour Crossing, engine of turbojet,  planes and helicopter overhead. N.A 28.9 <5 3B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
24-Sep-10 22:45 23:00 Fine 66 68 64 Operating bentonite filitering plant and hydraulic excavator Road traffic noise from Western Harbour Crossing, engine of turbojet,  planes and helicopter overhead. N.A 27.7 <5 3B&K 2238   S/N : 2684503 B&K 4231  S/N: 2656516
29-Sep-10 22:45 23:00 Fine 66 67 63 Operating bentonite filitering plant and hydraulic excavator Road traffic noise from Western Harbour Crossing, engine of turbojet,  planes and helicopter overhead. N.A 27.7 <5 3B&K 2238   S/N : 2684503 B&K 4231  S/N: 2656516
00-Jan-00 - - - - - - - - - - - - -
00-Jan-00 - - - - - - - - - - - - -
      Min. 66                
      Max. 68