Daytime Noise Monitoring Results -- Normal weekday
Station M8, Wah Lai House                    
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
05-Mar-12 15:00 15:30 Fine 64 66 62 Preparing blasting material Road Traffic noise from Shek Pai Wan Road  N.A 21.4 <5 B&K 2238   S/N : 2684502 B&K 4231  S/N: 2656516
15-Mar-12 10:05 10:35 Fine 66 68 63 Operation of cran and excavator, loading of skip Road Traffic noise from Shek Pai Wan Road  N.A 17.4 <5 B&K 2238   S/N : 2684502 B&K 4231  S/N: 2656516
19-Mar-12 09:34 10:04 Fine 66 67 64 Works in tunnel Road Traffic noise from Shek Pai Wan Road  N.A 20.9 <5 B&K 2238   S/N : 2684502 B&K 4231  S/N: 2656516
27-Mar-12 09:55 10:25 Sunny 66 68 64 Works in tunnel Road Traffic noise from Shek Pai Wan Road  N.A 20.5 <5 B&K 2238   S/N : 2684502 B&K 4231  S/N: 2656516
      Min. 64                
      Max. 66