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Decatur Northwest 2, LLC <br /> Decatur Northwest 2 Commercial Solar Energy Facility, Decatur, IL <br /> of 100 feet or more and/or which exceeds 55 dBA when measured at any point within the receiving <br /> residential land."(Macon 2014). <br /> Table 1: Modeled and Predicted Noise Levels at Sensitive Receptor Locations <br /> _ _____,____ A-Weighted Sound Levels(dBA) <br /> Site BasrilineIncrease to Illinois Noise Illinois Noise <br /> Site Baseline Modeledz Predicted' Baseline Standard` Standard` <br /> Class C to Class C to <br /> Day Night Day Night Day Night Day Night Class A Class A <br /> III <br /> R1 50 40 45 30 51 40 1 0 61 51 <br /> R 2 50 40 27 12 50 40 0 0 61 51 <br /> R 3 50 40 31 16 50 40 0 0 61 51 <br /> R 4 50 40 31 15 50 40 0 0 61 51 <br /> R 5 50 40 28 13 50 40 0 0 61 51 <br /> R 6 50 40 37 22 50 40 0 0 61 51 <br /> R 7 50 40 34 18 50 40 0 0 61 51 <br /> 'Baseline from FTA method presented in Table 3 above <br /> 2 Modeled noise generated by proposed Project operations configuration calculated by the noise model CadnaA. <br /> 'Predicted impacts were calculated by logarithmically adding the modeled impacts to the baseline estimates. <br /> 'Calculated from IPCB octave hands <br /> Fi.ure 1 Da time Noise Modelin t Results <br /> ...�.�' 1 •. k , <br /> ' -.)- `1%...... ., . <br /> �� ` i 71 dBA !..� , - <br /> �1 <br /> % <br /> .ii /Ssisi) .. ,, ---s---. ,e) <br /> O ( ;,.. <br /> ?� . lS dBA 11,1,31"1,/sem ._. <br /> bla <br /> 1 © ` 1w .t N6 , 1. , <br /> 7-'44=igirRI7 <br /> .... ) / i I . . e... ir <br /> .._._ . <br /> # , ... _ ..._... 4 <br /> a>t <br /> t ' <br />