Table 10   Summary of Construction Noise Monitoring Results

Time Period

Noise Monitoring Stations

Leq (30min) dB(A) (Range)

Action Level

Limit Level dB(A)

0700-1900 hrs

on normal weekdays

CM1

57.5 – 60.2

When one documented complaint is received

75

CM2

54.5 – 57.4

75

CM3

55.6 – 60.4

75

 

Remark: CM1, CM2 and CM3: Free-field measurement (+3 dB(A) correction has been applied).