Daytime Noise Monitoring Results

Station M5, Chuk Lam Ming Tong

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

23-Dec-09

14:04

14:34

Sunny

Operation of hydraulic excavator

Maintenance works at neighbour building

N.A

B&K 2238 S/N : 2684502

B&K 4231 S/N: 2385180

31-Dec-09

10:46

11:16

Fine

Operation of hydraulic excavator and mobile crane

Maintenance works at neighbour building;
Road noise from San Wan Drive.

N.A

B&K 2238 S/N : 2684502

B&K 4231 S/N: 2385180

Min.

Max.