Restricted Hours Noise Monitoring Results -- Night time

Station M8a, Wah Lai House

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

24-Apr-13

23:00

23:15

Fine

59.2

61.6

52.7

Tunnel worls

Road Traffic noise from Shek Pai Wan Road and cars from residents of Wah Lai House

Major noise source -- road traffic noise.

25

<5

B&K 2238       S/N : 2800932

B&K 4231  S/N: 3004068