Appendix G   Noise Monitoring Results
Daytime Noise Monitoring Results at Station NMC1
Date Weather Condition Noise Level for 30-min, dB(A)+ Baseline Noise Level, dB(A) Calculated Construction Noise Level, dB(A) Limit Level, dB(A) Exceedance (Y/N)
Time  L90 L10 Leq
06-Sep-07 Sunny 09:00 60.0 66.9 63.4 72.1 *Note 75 N
12-Sep-07 Sunny 09:35 60.0 67.0 63.7 72.1 *Note 75 N
17-Sep-07 Sunny 13:30 59.6 66.5 63.1 72.1 *Note 75 N
28-Sep-07 Sunny 13:05 59.4 66.3 63.0 72.1 *Note 75 N
Min 59.4 66.3 63.0
Max 60.0 67.0 63.7
Average 60.0 67.0 63.6
Daytime Noise Monitoring Results at Station NMC2
Date Weather Condition Noise Level for 30-min, dB(A)+ Baseline Noise Level, dB(A) Calculated Construction Noise Level, dB(A) Limit Level, dB(A) Exceedance (Y/N)
Time  L90 L10 Leq
06-Sep-07 Sunny 09:45 58.4 64.9 61.5 70.7 *Note 70 N
12-Sep-07 Sunny 10:25 58.6 64.8 61.5 70.7 *Note 70 N
17-Sep-07 Sunny 14:20 58.5 64.0 60.8 70.7 *Note 70 N
28-Sep-07 Sunny 14:00 59.0 65.7 62.3 70.7 *Note 70 N
Min 58.4 64.0 60.8
Max 59.0 65.7 62.3
Average 58.6 64.8 61.5
Daytime Noise Monitoring Results at Station NMC3
Date Weather Condition Noise Level for 30-min, dB(A)+ Baseline Noise Level, dB(A) Calculated Construction Noise Level, dB(A) Limit Level, dB(A) Exceedance (Y/N)
Time  L90 L10 Leq
06-Sep-07 Sunny 10:30 58.5 65.1 61.9 67.5 *Note 70 N
12-Sep-07 Sunny 11:10 58.5 64.4 61.2 67.5 *Note 70 N
17-Sep-07 Sunny 15:05 58.3 64.2 60.9 67.5 *Note 70 N
28-Sep-07 Sunny 14:40 58.7 65.5 62.1 67.5 *Note 70 N
Min 58.3 64.2 60.9
Max 58.7 65.5 62.1
Average 58.5 64.6 61.4
 + - Façade measurement
Bold & Italic value indicated an Limit level exceedance
Note: Measured noise level is less than the baseline noise level.