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
2-Nov-07 Sunny 13:00 60.6 67.8 65.0 72.1 *Note 75 N
8-Nov-07 Sunny 13:30 60.2 66.8 63.2 72.1 *Note 75 N
14-Nov-07 Sunny 13:30 59.8 66.0 62.8 72.1 *Note 75 N
20-Nov-07 Sunny 13:40 60.5 66.7 63.4 72.1 *Note 75 N
26-Nov-07 Sunny 13:30 60.7 67.9 64.6 72.1 *Note 75 N
Min 59.8 66.0 62.8
Max 60.7 67.9 65.0
Average 60.3 66.9 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
2-Nov-07 Sunny 13:50 59.8 66.4 63.5 70.7 *Note 70 N
8-Nov-07 Sunny 14:20 59.0 65.7 62.2 70.7 *Note 70 N
14-Nov-07 Sunny 14:15 58.6 64.7 61.4 70.7 *Note 70 N
20-Nov-07 Sunny 14:30 59.7 65.0 62.8 70.7 *Note 70 N
26-Nov-07 Sunny 14:20 59.7 65.8 62.5 70.7 *Note 70 N
Min 58.6 64.7 61.4
Max 59.8 66.4 63.5
Average 59.2 65.5 62.5
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
2-Nov-07 Sunny 14:40 59.6 66.1 63.0 67.5 *Note 70 N
8-Nov-07 Sunny 15:10 58.8 65.2 61.9 67.5 *Note 70 N
14-Nov-07 Sunny 15:00 58.8 65.2 62.0 67.5 *Note 70 N
20-Nov-07 Sunny 15:20 59.5 64.7 62.4 67.5 *Note 70 N
26-Nov-07 Sunny 15:10 59.9 65.9 62.7 67.5 *Note 70 N
Min 58.8 64.7 61.9
Max 59.9 66.1 63.0
Average 59.1 65.3 62.3
 + - Façade measurement
Bold & Italic value indicated an Limit level exceedance
Note: Measured noise level is less than the baseline noise level.