Daytime Noise Monitoring Results

Station NM2

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

07-Apr-10

10:45

11:15

Trace Rain

74

76

73

No construction noise heard

Breaker noise (near site), Traffic noise

-

19

1.2

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

13-Apr-10

14:23

14:53

Fine

74

75

73

Breaker, mobile crane were working.

Traffic noise

-

26

0.5

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

19-Apr-10

09:22

09:52

Fine

73

74

72

Excavator work, mobile cranes were working

Traffic noise

-

23

0.5

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

30-Apr-10

11:08

11:38

Sunny

74

74

73

Excavator work, mobile cranes were working and breaker noise

Traffic noise

-

22

0.8

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

Min.

73

Max.

74