Daytime Noise Monitoring Results -- Normal weekday            
                     
Station M6a, Aegean Terrace                  
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
08-Feb-12 10:25 10:55 Fine 60 58 51 Loading and grouting Loading from the construction site near Cyberport PTW
Free-field measurement, +3dB correction. 12.3 <5 B&K 2238   S/N : 2684502 B&K 4231  S/N: 2656516
16-Feb-12 10:05 10:35 Drizzle 69 73 74 Rock out Loading from the construction site near Cyberport PTW
Free-field measurement, +3dB correction. 16.1 <5 B&K 2238   S/N : 2684502 B&K 4231  S/N: 2656516
23-Feb-12 11:00 11:30 Cloudy 59 62 54 Rock Bolt and installing blasting door in tunnel  Loading from the construction site near Cyberport PTW
Free-field measurement, +3dB correction. 19.9 <5 B&K 2238   S/N : 2684502 B&K 4231  S/N: 2656516
29-Feb-12 14:36 15:06 Cloudy 55 57 51 Rock Bolt and rock out Loading from the construction site near Cyberport PTW
Free-field measurement, +3dB correction. 14.7 <5 B&K 2238   S/N : 2684502 B&K 4231  S/N: 2656516
      Min. 55                
      Max. 69                
                         
Remark: Free-field measurement, +3dB correction.