Table 4.4            Summary of Unmitigated Construction Noise Levels During Normal Daytime Working Hours

 

Predicted Noise Levels, dB(A)

EIAO-TM Normal Daytime Construction Noise Criteria, dB(A)

Pak Ngau Heung River

PNH1

69

-

92

75

PNH2

74

-

93

75

PNH3

71

-

93

75

PNH4

71

-

100

75

PNH5

69

-

97

75

PNH6

68

-

90

75

LT1

71

-

88

75

LT2

68

-

100

75

Tai Tei Tong River

TTT1

62

-

79

75

TTT2

62

-

77

75

TTT3

62

-

88

75

TTT4

67

-

85

75

SCH

66

-

79

70 (School during normal hours)

65 (School during examination hours)

Luk Tei Tong River and Luk Tei Tong By-pass Channel

LTT1

62

-

90

75

LTT2

62

-

86

75

LTT3

63

-

83

75

LTT4

65

-

96

75