Restricted Hours Noise Monitoring Results (Night-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

28-Jan-10

23:01

23:06

Fine

excavation in process

community noise and traffic noise from nearby piers

19.4

<5 m/s

B&K 2250L

B&K 4231

23:06

23:11

Fine

23:11

23:16

Fine

Min.

Max.