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

03-Nov-15

11:00

11:30

Fine

< baseline noise level

67

68

66

Excavation work

Traffic Noise

-

30

0.5

Casella CEL-633A (S/N 3521757)

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

09-Nov-15

09:00

09:30

Fine

< baseline noise level

66

67

65

Excavation work

Traffic Noise

-

27

0.3

Casella CEL-633A (S/N 3521757)

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

16-Nov-15

14:32

15:02

Sunny

< baseline noise level

66

67

65

Excavation work

Traffic Noise

-

28

0.3

Casella CEL-633A (S/N 3521757)

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

27-Nov-15

16:00

16:30

Sunny

< baseline noise level

66

67

65

Excavation work

Traffic Noise

-

28

0.9

Casella CEL-633A (S/N 3521757)

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