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

23-Dec-09

19:10

19:15

Fine

construction works in process

traffic noise from nearby piers

18.4

<5 m/s

B&K 2238

B&K 4231

19:15

19:20

Fine

19:20

19:25

Fine

29-Dec-09

19:01

19:06

Fine

construction works in process

traffic noise from nearby piers

15.4

<5 m/s

B&K 2250L

B&K 4231

19:06

19:11

Fine

19:11

19:16

Fine

Min.

Max.