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

04-Oct-10

14:20

14:50

Sunny

73

74

72

Crawler crane and Pre-bored piling from other sites

Traffic noise

-

25

0.3

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

15-Oct-10

13:20

13:50

Fine

74

75

73

Crawler crane and Pre-bored piling

Traffic noise

-

25

0.5

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

21-Oct-10

13:15

13:45

Fine

74

75

73

Crawler crane and Pre-bored piling

Traffic noise

-

26

1.5

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

27-Oct-10

14:35

15:05

Sunny

74

75

73

Crawler crane and Pre-bored piling

Traffic noise

-

20

1.8

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

Min.

73

Max.

74