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

05-Jun-12

10:00

10:30

Sunny

66

67.2

65.6

excavation in process; crane in operation

other construction site nearby; road traffic noise

-

28.2

<5 m/s

Rion NL-31

Rion NC-73

11-Jun-12

11:15

11:45

Fine

70

72.2

67.6

excavation in process; crane in operation

other construction site nearby; road traffic noise

-

29.4

<5 m/s

Rion NL-31

Rion NC-73

18-Jun-12

16:02

16:32

Fine

66

67.0

64.0

excavation in process; crane in operation

other construction site nearby; road traffic noise

-

27.3

<5 m/s

Rion NL-31

Rion NC-73

29-Jun-12

10:45

11:15

Fine

71

72.0

66.7

excavation in process; crane in operation

other construction site nearby; road traffic noise

-

29.4

<5 m/s

Rion NL-31

Rion NC-73

Min.

66

Max.

71

+ - Façade measurement