Daytime Noise Monitoring Results                    
                           
Station M3, Kwa 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
07-Apr-10 14:30 15:00 Trace Rain 69 71 67 Mobile cranes, excavator work Traffic Noise - 19 1.2 RION- NL31 (S/N 00410224) RION - NC73 (S/N 10786708)
13-Apr-10 10:20 10:50 Fine 69 70 67 Mobile cranes Traffic Noise - 26 0.5 RION- NL31 (S/N 00410224) RION - NC73 (S/N 10786708)
19-Apr-10 14:22 14:52 Fine 69 70 66 Mobile cranes, excavator work Traffic Noise - 23 0.8 RION- NL31 (S/N 00410224) RION - NC73 (S/N 10786708)
30-Apr-10 08:20 08:50 Sunny 69 70 68 Mobile cranes, excavator work Traffic Noise - 22 0.8 RION- NL31 (S/N 00410224) RION - NC73 (S/N 10786708)
      Min. 69                  
      Max. 69