Daytime Noise Monitoring Results

Station M3, Kwa 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

04-Jan-10

08:40

09:10

Sunny

67

69

69

Mobile were working. Cutting stell bouding

Traffic noise

N.A

<5

RION-NA27     S/N: 00201194

RION-NC73     S/N: 10786708

15-Jan-10

16:00

16:30

Sunny

68

71

70

Mobile were working.

Traffic noise

N.A

<5

RION-NA27     S/N: 00201194

RION-NC73     S/N: 10786708

27-Jan-10

15:00

15:30

Fine

67

70

69

Piling, cranes operation, excavation work

Traffic noise

N.A

<5

RION-NA27     S/N: 00201194

RION-NC73     S/N: 10786708

Min.

67

Max.

68