Daytime Noise Monitoring Results

Station NM4

Date

Start Time

End Time

Weather

Noise level (dB(A)), 30 min

Major Construction Noise Source(s) Observed

Other Noise Source(s) Observed

Remarks

Temp. (°C)

Wind Speed (m/s)

Noise Meter Model / ID

Calibrator Model / ID

Leq

L10

L90

11-Sep-15

10:05

10:35

Fine

66

67

65

Crawler Crane, Traffic noise

Traffic Noise

-

30

0.5

Casella CEL-633A (S/N 3521757)

Casella CEL-120/1 (S/N 3421612)

17-Sep-15

10:25

10:55

Sunny

65

68

66

Lifting

Traffic Noise

-

31

0.5

Casella CEL-633A (S/N 3521757)

Casella CEL-120/1 (S/N 3421612)

23-Sep-15

14:14

14:44

Sunny

67

68

65

Excavation

Traffic Noise

-

29

0.3

Casella CEL-633A (S/N 3521757)

Casella CEL-120/1 (S/N 3421612)

29-Sep-15

08:20

08:50

Sunny

67

68

66

Excavation work

Traffic Noise

-

29

0.5

Casella CEL-633A (S/N 3521757)

Casella CEL-120/1 (S/N 3421612)

Min.

65

Max.

67

Average

66