Night time Noise Monitoring Results

Station M8, Wah Lai House

Date

Start Time

End Time

Weather

Noise level (dB(A))

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

02/01/2014-a

23:00

23:05

Fine

56

59

52

Tunnel worls

Road Traffic noise from Shek Pai Wan Road and cars from residents of Wah Lai House

Major noise source -- road traffic noise.

16.8

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 3004068

02/01/2014-b

23:05

23:10

Fine

57

59

53

02/01/2014-c

23:10

23:15

Fine

58

61

53

02-Jan-14

23:00

23:15

Fine

60

63

55

Tunnel worls

16.8

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 3004068

28/01/2014-a

23:00

23:05

Fine

59

62

54

Tunnel worls

17

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 3004068

28/01/2014-b

23:05

23:10

Fine

57

60

53

28/01/2014-c

23:10

23:15

Fine

58

61

54

28-Jan-14

23:00

23:15

Fine

61

64

57

Tunnel worls

17

<5

B&K 2238   S/N : 2684503

B&K 4231  S/N: 3004068

Min

56

Max

61

Average

58