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

07-Apr-10

09:28

09:58

Cloudy

70

71

68

Drilling noise from ASD site, mobile cranes working at HATS site

Traffic Noise

-

20

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10997142)

12-Apr-10

09:45

10:15

Fine

70

71

70

Hammering noise from ASD site and two mobile cranes working at HATS site

Traffic Noise

-

26

0.5

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

23-Apr-10

09:55

10:25

Sunny

69

71

67

Noise from ASD site.

Traffic Noise

-

21

0.3

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

29-Apr-10

10:15

10:45

Cloudy

70

71

68

Cutting noise from ASD site. No apparent noise from HATS site.

Traffic Noise

-

21

0.5

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)