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

01-Mar-10

15:05

15:35

Fine

70

72

68

Cutting and Breaker from ASD Site, Mobile crane in HATS Site

Traffic Noise

-

22

0.3

RION- NA27 (S/N 00201194)

RION - NC73 (S/N 10786708)

12-Mar-10

09:50

10:20

Cloudy

73

75

70

Noise mainly come from ASD site (cutting and breaker inside)
Two cranes were working in HATS Site

Traffic Noise

-

12

0.5

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

18-Mar-10

11:15

11:45

Sunny

70

72

69

Noise from ASD site (cutting, breaker noise), monir noise from HATS DAD site (two cranes were working)

Traffic Noise, noise from nearby football court

-

21

0.2

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

24-Mar-10

10:30

11:00

Sunny

70

72

67

Noise from ASD site (cutting, drilling noise), two cranes were working from HATS DAD site

Traffic Noise, noise from nearby football court

-

25

0.3

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

30-Mar-10

09:15

09:45

Sunny

69

77

66

Drilling noise from ASD site, two cranes were working at the HATS site

Traffic Noise

-

19

0.5

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)