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

02-Feb-10

13:05

13:35

Fine

73

74

72

Mobile cranes, excavator

Traffic noise

-

20

1.2

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

08-Feb-10

13:10

13:40

Fine

74

76

73

Excavation, mobile cranes

Traffic noise

-

17

1.5

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

18-Feb-10

15:00

15:30

Cloudy

74

75

73

Excavation, mobile cranes

Traffic noise

-

9

1.5

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

24-Feb-10

14:02

14:32

Fine

74

76

73

Mobile cranes, excavator

Traffic noise

-

22

1.0

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

Min.

73

Max.

74