Daytime Noise Monitoring Results

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

Date

Start Time

End Time

Weather

Noise level (dB(A)), 30 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

08-Apr-11

09:04

09:34

Sunny

excavation in process

other construction site nearby

23.1

<5 m/s

B&K 2270

B&K 4231

14-Apr-11

10:59

11:29

Sunny

excavation and concreting in process; crane in operation

other construction site nearby

24.1

<5 m/s

B&K 2250L

B&K 4231

20-Apr-11

11:08

11:38

Sunny

excavation in process

other construction site nearby

21.8

<5 m/s

B&K 2270

B&K 4231

26-Apr-11

14:30

15:00

Fine

excavation in process

other construction site nearby

24.2

<5 m/s

B&K 2238

B&K 4231

Min.

Max.

⁺ - Façade measurement