Daytime Noise Monitoring Results -- Noraml 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

04-Jun-10

09:31

10:01

Cloudy

65

66

63

Demolition work for underground structure

Road Traffic noise from Shek Pai Wan Road.

N.A

24.7

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

10-Jun-10

13:21

13:51

Cloudy

64

66

62

Demolition work for underground structure

Road Traffic noise from Shek Pai Wan Road.

N.A

25.4

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

14-Jun-10

16:16

16:46

Cloudy

64

66

62

N/A

Road Traffic noise from Shek Pai Wan Road.

N.A

29.3

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

22-Jun-10

11:30

12:00

Cloudy

65

66

62

Operation of hydraulic excavator

Road Traffic noise from Shek Pai Wan Road.

N.A

29.3

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

28-Jun-10

11:05

11:35

Cloudy

78

80

74

N/A

Road Traffic noise from Shek Pai Wan Road and pipe ramming operation

1 Exceedance (Notif-009)

25.5

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 2385180

Min.

64

Max.

78