Appendix F   Noise Monitoring Results
Daytime Noise Monitoring Results at Station CN1
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
3-Jun-08 Cloudy 14:05 56.8 66.0 64.1 72.9 *Note 75 N 478630.0923 3981071.706 2570395.783
10-Jun-08 Fine 14:40 55.7 64.1 61.2 72.9 *Note 75 N 371535.2291 2570395.783 1318256.739
20-Jun-08 Sunny 14:05 56.2 66.7 64.0 72.9 *Note 75 N 416869.3835 4677351.413 2511886.432
26-Jun-08 Cloudy 14:35 55.4 63.5 59.8 72.9 *Note 75 N 346736.8505 2238721.139 954992.586
Min 55.4 63.5 59.8 56.1 65.3 62.6
Max 56.8 66.7 64.1
Average 56.1 65.3 62.6
Daytime Noise Monitoring Results at Station CN2
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
3-Jun-08 Cloudy 14:40 54.9 65.7 63.5 67.6 *Note 75 N 309029.5433 3715352.291 2238721.139
10-Jun-08 Fine 14:05 54.2 62.7 59.9 67.6 *Note 75 N 263026.7992 1862087.137 977237.221
20-Jun-08 Sunny 14:40 54.5 64.9 62.4 67.6 *Note 75 N 281838.2931 3090295.433 1737800.829
26-Jun-08 Cloudy 15:10 55.0 62.7 59.5 67.6 *Note 75 N 316227.766 1862087.137 891250.9381
Min 54.2 62.7 59.5 54.7 64.2 61.6
Max 55.0 65.7 63.5
Average 54.7 64.2 61.6
 + - Façade measurement
Bold & Italic value indicated an Limit level exceedance
Note: Measured noise level is less than the baseline noise level.