Daytime Noise Monitoring Results

Station M7a, Wah Ming 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

09-Jan-14

09:21

09:51

Fine

64

65

59

N.A

N.A

N.A

16

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

14-Jan-14

09:24

09:54

Fine

70

74

65

N.A

Drilling in the adjacent work site

N.A

16

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

20-Jan-14

15:18

15:48

Fine

70

74

62

N.A

Drilling in the adjacent work site

N.A

16

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

29-Jan-14

14:55

15:25

Fine

62

63

60

N.A

N.A

N.A

18

<5

B&K 2238  S/N : 2684503

B&K 4231  S/N: 3004068

Min

62

Max

70

Average

67