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

04-Nov-11

10:17

10:47

Sunny

excavation in process; crane in operation

other construction site nearby; road traffic noise

26.4

<5 m/s

B&K 2238

B&K 4231

10-Nov-11

10:55

11:25

Fine

excavation in process; crane in operation

other construction site nearby; road traffic noise

19.4

<5 m/s

B&K 2238

Rion NC-73

16-Nov-11

10:47

11:17

Fine

excavation in process; crane in operation

other construction site nearby; road traffic noise

23.4

<5 m/s

B&K 2238

Rion NC-73

22-Nov-11

13:30

14:00

Fine

excavation in process; crane in operation

other construction site nearby; road traffic noise

22.0

<5 m/s

Rion NL-31

Rion NC-73

28-Nov-11

11:30

12:00

Sunny

excavation in process; crane in operation

other construction site nearby; road traffic noise

21.9

<5 m/s

Rion NL-31

Rion NC-73

Min.

Max.

⁺ - Façade measurement