Restricted Hours Noise Monitoring Results -- Daytime on Public Holiday
Station M5a, Chuk Lam Ming Tong                  
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
18-Mar-12 11:15 11:30 Fine 65 68 55 No major construction works Road traffic noise at San Wan Drive and ball games competition in near playground N.A 23.9 <5 B&K 2238       S/N : 2684502 B&K 4231  S/N: 2656516
      Min. 65                
      Max. 65                
Restricted Hours Noise Monitoring Results -- Evening time 
Station M5a, Chuk Lam Ming Tong                  
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
06-Mar-12 22:45 23:00 Cloudy 61 59 49 Works in shaft Road traffic at San Wan Drive  According to contractor, general construction works was in process accordance to CNP. 23.8 <5 B&K 2238   S/N : 2684502 B&K 4231  S/N: 2656516
22-Mar-12 22:45 23:00 Fine 60 59 49 Works in shaft Road traffic at San Wan Drive  According to contractor, general construction works was in process accordance to CNP. 20.7 <5 B&K 2238   S/N : 2684502 B&K 4231  S/N: 2656516
      Min. 60                
      Max. 61