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-Feb-07 Sunny 10:00 61.5 70.0 68.5 72.1 *Note 75 N
8-Feb-07 Sunny 8:55 63.5 70.0 68.5 72.1 *Note 75 N
14-Feb-07 Sunny 9:50 63.2 69.8 67.5 72.1 *Note 75 N
22-Feb-07 Sunny 9:04 63.5 70.0 68.5 72.1 *Note 75 N
26-Feb-07 Sunny 13:00 63.0 71.5 68.5 72.1 *Note 75 N
Min 61.5 69.8 67.5
Max 63.5 71.5 68.5
Average 63.0 70.3 68.3
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-Feb-07 Sunny 9:50 63.7 72.4 69.0 70.7 *Note 70 N
8-Feb-07 Sunny 8:49 64.0 72.4 69.3 70.7 *Note 70 N
14-Feb-07 Sunny 10:00 63.0 70.0 68.7 70.7 *Note 70 N
22-Feb-07 Sunny 8:55 64.2 71.7 69.0 70.7 *Note 70 N
26-Feb-07 Sunny 13:10 62.5 72.0 68.9 70.7 *Note 70 N
Min 62.5 70.0 68.7
Max 64.2 72.4 69.3
Average 63.5 71.8 69.0
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-Feb-07 Sunny 9:00 61.0 65.0 63.5 67.5 *Note 70 N
8-Feb-07 Sunny 8:00 60.5 64.8 62.9 67.5 *Note 70 N
14-Feb-07 Sunny 9:30 60.0 65.0 63.4 67.5 *Note 70 N
22-Feb-07 Sunny 8:00 60.6 64.0 62.7 67.5 *Note 70 N
26-Feb-07 Sunny 13:50 60.0 64.0 62.5 67.5 *Note 70 N
Min 60.0 64.0 62.5
Max 61.0 65.0 63.5
Average 60.4 64.6 63.0
 + - Façade measurement
Bold & Italic value indicated an Limit level exceedance
Note: Measured noise level is less than the baseline noise level.