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

Corrected Leq (Baseline = 69.4 dB(A))

Leq

L10

L90

09-Dec-15

16:06

16:36

Cloudy

< Baseline noise level

69

68

65

Excavation work

Traffic Noise

-

20

0.5

Casella CEL-633A (S/N 3521757)

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

15-Dec-15

13:25

13:55

Fine

< Baseline noise level

67

68

66

N.A

Traffic Noise

-

20

1.0

Casella CEL-633A (S/N 3521757)

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

21-Dec-15

14:50

15:20

Sunny

< Baseline noise level

67

68

65

Excavation work

Traffic Noise

-

21

0.8

Casella CEL-633A (S/N 3521757)

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

30-Dec-15

16:00

16:30

Fine

< Baseline noise level

66

67

65

Excavation work

Traffic Noise

-

19

0.5

Casella CEL-633A (S/N 3521757)

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