Annex B    Raw Noise Monitoring Data

DAYTIME

Monitoring Location

Date of Monitoring

From

To

Weather

Wind Speed (m/s)

Noise Level, dB(A)

Noise Source

Limit Level

Maximum Acceptable Noise Level

Leq (30-min)

L10

L90

Leq (30-min)

Leq (30-min)

D1

5-Feb-03

9:08

9:38

Fine

1.0

69.9

72.1

66.5

Road Traffic Noise

N/A

81

11-Feb-03

8:30

9:00

Fine

1.3

67.0

68.2

65.6

Road Traffic Noise

N/A

81

18-Feb-03

11:30

12:00

Fine

1.4

68.5

70.0

65.8

Road Traffic Noise & School renovation

N/A

81

25-Feb-03

13:45

14:15

Fine

1.0

66.9

68.6

64.9

Road Traffic Noise & School renovation

N/A

81

D2

5-Feb-03

9:55

10:25

Fine

1.0

66.7

68.6

64.0

Road Traffic Noise

75

N/A

11-Feb-03

9:55

10:25

Fine

1.3

67.3

68.6

65.8

Road Traffic Noise & Kwai Yee Playground renovation

75

N/A

18-Feb-03

10:45

11:15

Fine

1.4

68.6

70.4

66.8

Road Traffic Noise & Noise from dismantling transformer room

75

N/A

25-Feb-03

14:25

14:55

Fine

1.0

68.1

69.8

66.0

Road Traffic Noise

75

N/A

D4

5-Feb-03

8:23

8:53

Fine

1.0

66.1

68.0

64.3

Noise from MTR

N/A

86

11-Feb-03

9:15

9:45

Fine

1.3

67.2

68.8

65.6

Noise from MTR

N/A

86

18-Feb-03

10:10

10:40

Fine

1.3

67.1

68.6

65.0

Noise from MTR

N/A

86

25-Feb-03

15:05

15:35

Fine

1.0

67.4

68.9

65.4

Noise from road traffic and MTR

N/A

86

Notes:

a. Type of Measurement:

Façade - D1, D2, D4

b. The value in the Daytime [Leq (30-min)] column denotes the averaging noise level over any 30-minute period during the non-restricted hours.

c. Bold and underlined figures denote over the limit or the maximum acceptable noise levels.