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

05-Jan-10

09:45

10:15

Cloudy

70

72

67

Major noise from ASD site (cutting,breaker and drilling noise). Noise from nearby recyling company. No apparent noise came from the Site (mobile cranes were working)

Traffic noise

-

16

0.5

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

15-Jan-10

10:20

10:50

Sunny

70

72

67

Major noise from ASD site (cutting,breaker and drilling noise). Noise from another DSD site at Marble Road. Mobile cranes were working.

Traffic noise

Make up monitoring for 11 Jan 2010 due to bad weather on that day.

15

0.5

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

22-Jan-10

13:30

14:00

Fine

70

72

67

Major noise from ASD site (cutting,breaker and drilling noise). Mobile cranes were working.

Traffic noise

-

18

0.3

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

28-Jan-10

13:50

14:20

Sunny

70

71

68

Major noise from ASD site (cutting, breaker and drilling noise). Mobile cranes were working.

Traffic noise

-

20

0.5

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)