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
4-Jul-07 Sunny 13:00 61.7 67.2 64.5 72.1 *Note 75 N 1479108.388 5248074.602 2818382.931
10-Jul-07 Sunny 9:30 61.9 66.9 64.2 72.1 *Note 75 N 1548816.619 4897788.194 2630267.992
16-Jul-07 Sunny 10:30 61.2 67.2 64.0 72.1 *Note 75 N 1548816.619 4897788.194 2630267.992
27-Jul-07 Sunny 9:30 61.5 68.0 65.7 72.1 *Note 75 N 1318256.739 5248074.602 2511886.432
Min 61.2 66.9 64.0 61.7 67.1 64.2
Max 61.9 68.0 65.7
Average 61.7 67.1 64.2
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
4-Jul-07 Sunny 13:40 60.0 66.6 63.4 70.7 *Note 70 N 1000000 4570881.896 2187761.624
10-Jul-07 Sunny 10:10 59.9 65.4 62.5 70.7 *Note 70 N 977237.221 3467368.505 1778279.41
16-Jul-07 Sunny 11:10 59.5 65.5 62.9 70.7 *Note 70 N 977237.221 3467368.505 1778279.41
27-Jul-07 Sunny 10:15 60.8 66.2 62.7 70.7 *Note 70 N 891250.9381 3548133.892 1949844.6
Min 59.5 65.4 62.5 59.8 65.8 62.8
Max 60.8 66.6 63.4
Average 59.8 65.8 62.8
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
4-Jul-07 Sunny 14:20 60.5 66.4 63.2 67.5 *Note 70 N 1122018.454 4365158.322 2089296.131
10-Jul-07 Sunny 10:50 60.2 65.6 63.0 67.5 *Note 70 N 1047128.548 3630780.548 1995262.315
16-Jul-07 Sunny 11:50 59.8 66.0 62.8 67.5 *Note 70 N 1047128.548 3630780.548 1995262.315
27-Jul-07 Sunny 11:00 61.0 66.5 63.4 67.5 *Note 70 N 954992.586 3981071.706 1905460.718
Min 59.8 65.6 62.8 60.2 65.9 63.0
Max 61.0 66.5 63.4
Average 60.2 65.9 63.0
 + - Façade measurement
Bold & Italic value indicated an Limit level exceedance
Note: Measured noise level is less than the baseline noise level.