Daytime Noise Monitoring Results

Station M3, Kwan Yick Building

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

10-May-14

13:55

14:25

Cloudy

68

69

66

-

Traffic noise

-

-

0.5

RION-NL31 (S/N 00410224)

RION-NL73  (S/N 10997142)

15-May-14

10:23

10:53

Cloudy

67

69

66

-

Traffic noise

-

-

0.5

RION-NL31 (S/N 00410224)

RION-NL73  (S/N 10997142)

21-May-14

14:05

14:35

Cloudy

68

69

66

-

Traffic noise

-

-

0.2

RION-NL31 (S/N 00410224)

RION-NL73  (S/N 10997142)

27-May-14

13:00

13:30

Sunny

67

68

65

Concreting

Traffic noise

-

-

0.2

RION-NL31 (S/N 00410224)

RION-NL73  (S/N 10997142)

Maximum

68

Minimum

67

Average

67