Restricted Hours Noise Monitoring Results                  
                           
Station M3, Kwa 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-Apr-10 18:45 18:50 Cloudy 67 69 66 Mobile cranes Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
02-Apr-10 18:50 18:55 Cloudy 68 69 66 Mobile cranes Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
02-Apr-10 18:55 19:00 Cloudy 68 70 65 Mobile cranes Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
02-Apr-10 19:00 19:05 Cloudy 68 69 66 Mobile cranes Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
02-Apr-10 19:05 19:10 Cloudy 67 69 65 Mobile cranes Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
02-Apr-10 19:10 19:15 Cloudy 68 70 65 Mobile cranes Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
06-Apr-10 18:45 18:50 Cloudy 66 67 64 Mobile cranes Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
06-Apr-10 18:50 18:55 Cloudy 68 69 66 Mobile cranes Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
06-Apr-10 18:55 19:00 Cloudy 65 67 64 Mobile cranes Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
06-Apr-10 19:00 19:05 Cloudy 68 69 66 Mobile cranes Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
06-Apr-10 19:05 19:10 Cloudy 68 70 67 Mobile cranes Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
06-Apr-10 19:10 19:15 Cloudy 67 69 66 Mobile cranes Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
14-Apr-10 19:00 19:05 Cloudy 69 70 67 Loading activities Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
14-Apr-10 19:05 19:10 Cloudy 69 71 68 Loading activities Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
14-Apr-10 19:10 19:15 Cloudy 70 71 68 Loading activities Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
21-Apr-10 19:00 19:05 Cloudy 68 69 67 Loading activities Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
21-Apr-10 19:05 19:10 Cloudy 69 69 69 Loading activities Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
21-Apr-10 19:10 19:15 Cloudy 68 69 66 Loading activities Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
28-Apr-10 19:00 19:05 Cloudy 69 71 68 Loading activities Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
28-Apr-10 19:05 19:10 Cloudy 69 70 68 Loading activities Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
28-Apr-10 19:10 19:15 Cloudy 69 70 68 Loading activities Nil     <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 2385180
      Min. 65                  
      Max. 70