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

06-Aug-11

13:00

13:30

Sunny

66

67

62

excavation in process

other construction site nearby; road traffic noise

-

30.2

<5 m/s

B&K 2238

Rion NC-73

12-Aug-11

11:30

12:00

Sunny

66

69

63

excavation in process

other construction site nearby; road traffic noise

-

29.4

<5 m/s

B&K 2238

Rion NC-73

18-Aug-11

10:34

11:04

Sunny

68

70

65

excavation in process

other construction site nearby; road traffic noise

-

29.2

<5 m/s

B&K 2238

Rion NC-73

24-Aug-11

10:45

11:15

Sunny

74

76

70

excavation in process

other construction site nearby; road traffic noise

-

29.8

<5 m/s

B&K 2238

Rion NC-73

30-Aug-11

13:40

14:10

Sunny

67

69

64

excavation in process

other construction site nearby; road traffic noise

-

30.9

<5 m/s

B&K 2238

Rion NC-73

Min.

66

Max.

74

+ - Façade measurement