Evening time Noise Monitoring Results                  
                           
Station M5, Chuk Lam Ming Tong (near entrance)                  
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
07/08/2014-a 22:45 22:50 Cloudy 61 64 52 Loading works under the shaft Road traffic at San Wan Drive  According to contractor, general construction works was in process accordance to CNP. 29.0 <5 B&K 2238  S/N : 2684503 B&K 4231  S/N: 3004068
07/08/2014-b 22:50 22:55 Cloudy 62 63 52 29.0 <5 B&K 2238  S/N : 2684503 B&K 4231  S/N: 3004038
07/08/2014-c 22:55 23:00 Cloudy 63 64 52 29.0 <5 B&K 2238  S/N : 2684503 B&K 4231  S/N: 3004068
07-Aug-14 22:45 23:00 Cloudy 62 63 52 Loading works under the shaft Road traffic at San Wan Drive  According to contractor, general construction works was in process accordance to CNP. 29.0 <5 B&K 2238  S/N : 2684503 B&K 4231  S/N: 3004068
28/08/2014-a 22:45 22:50 Fine 62 63 52 Loading works under the shaft Road traffic at San Wan Drive  According to contractor, general construction works was in process accordance to CNP. 29.5 <5 B&K 2238  S/N : 2800932 B&K 4231  S/N: 3004068
28/08/2014-b 22:50 22:55 Fine 62 63 52 29.5 <5 B&K 2238  S/N : 2800932 B&K 4231  S/N: 3004038
28/08/2014-c 22:55 23:00 Fine 62 65 51 29.5 <5 B&K 2238  S/N : 2800932 B&K 4231  S/N: 3004068
28-Aug-14 22:45 23:00 Fine 62 63 51 Loading works under the shaft Road traffic at San Wan Drive  According to contractor, general construction works was in process accordance to CNP. 29.5 <5 B&K 2238  S/N : 2800932 B&K 4231  S/N: 3004068
      Max 63      
      Min 61      
      Average 62