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-Jan-10

11:20

11:50

---

74

75

72

Mobile cranes

Traffic noise

-

20

0.8

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

15-Jan-10

10:55

11:25

Sunny

74

75

72

Mobile cranes, excavation works

Traffic noise

-

15

1.2

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

21-Jan-10

09:33

10:03

Sunny

73

74

72

Mobile crane were working

Traffic noise

-

17

1.0

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

27-Jan-10

09:50

10:20

Fine

73

74

72

Excavation work, crane operation

Traffic noise

-

17

0.8

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

Min.

73

Max.

74