Restricted Hours Noise Monitoring Results (Evening Time)

Station NM6 Customs' Marine Base (Block H of Government Dockyard) Rooftop

Date

Start Time

End Time

Weather

Noise level (dB(A)), 5 min+

Major Construction Noise Source(s) Observed

Other Noise Source(s) Observed

Remarks

Mean Temp. (°C)

Mean Wind Speed (m/s)

Noise Meter Model / ID

Calibrator Model / ID

Leq

L10

L90

05-Jun-12

19:01

19:06

Fine

62

64

62

excavation in process

traffic noise from nearby pier; other construction site nearby

-

28.2

<5 m/s

B&K 2238

B&K 4231

19:06

19:11

63

64

62

19:11

19:16

63

64

62

11-Jun-12

19:32

19:37

Fine

64

65

63

excavation in process

traffic noise from nearby pier; other construction site nearby

-

29.4

<5 m/s

B&K 2238

B&K 4231

19:37

19:42

64

65

63

19:42

19:47

64

65

63

18-Jun-12

19:02

19:07

Fine

63

64

63

excavation in process

traffic noise from nearby pier; other construction site nearby

-

27.3

<5 m/s

B&K 2238

B&K 4231

19:07

19:12

64

65

63

19:12

19:17

64

65

63

30-Jun-12

22:16

22:21

Fine

64

65

63

excavation in process

traffic noise from nearby pier; other construction site nearby

-

26.6

<5 m/s

B&K 2238

B&K 4231

22:21

22:26

64

65

63

22:26

22:31

64

65

63

Min.

62

Max.

64

+ - Façade measurement