Daytime Noise Monitoring Results

Station NM1

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 = 69.0 dB(A))

Leq

L10

L90

03-Dec-15

13:15

13:45

Cloudy

67

71

74

67

Operation of Mobile Crane

Traffic noise

-

18

0.5

SVAN957 (N.08.09)

B&K4231 (N.02.03)

09-Dec-15

09:05

09:35

Cloudy

67

71

72

67

Operation of Mobile Crane

Traffic noise

-

16

0.2

SVAN957 (N.08.08)

B&K4231 (N.02.03)

15-Dec-15

15:30

16:00

Cloudy

59

69

74

66

N.A.

Traffic noise

-

18

0.3

SVAN957 (N.08.08)

B&K4231 (N.02.03)

21-Dec-15

13:30

14:00

Sunny

< Baseline noise level

62

64

58

N.A.

Traffic noise

-

18

0.5

SVAN957 (N.08.08)

B&K4231 (N.02.03)

30-Dec-15

09:35

10:05

Cloudy

< Baseline noise level

67

70

65

N.A.

Traffic noise

-

20

0.5

SVAN957 (N.08.08)

B&K4231 (N.02.03)

Min.

59

.

Max.

67

Average

64