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

12-May-12

19:22

19:27

Fine

63

64

63

excavation in process

traffic noise from nearby pier; other construction site nearby

-

26.4

<5 m/s

B&K 2238

B&K 4231

19:27

19:32

63

64

63

19:32

19:37

63

64

63

19-May-12

19:18

19:23

Fine

64

65

63

excavation in process

traffic noise from nearby pier; other construction site nearby

-

26.5

<5 m/s

B&K 2238

B&K 4231

19:23

19:28

64

65

63

19:28

19:33

64

65

63

24-May-12

19:22

19:27

Fine

63

64

63

excavation in process

traffic noise from nearby pier; other construction site nearby

-

26.1

<5 m/s

B&K 2238

B&K 4231

19:27

19:32

63

64

63

19:32

19:37

63

64

63

30-May-12

19:20

19:25

Fine

63

63

62

excavation in process

traffic noise from nearby pier; other construction site nearby

-

26.7

<5 m/s

B&K 2238

B&K 4231

19:25

19:30

63

63

62

19:30

19:35

63

64

62

Min.

63

Max.

64

+ - Façade measurement