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Project Name:TheAddington <br />Job Number:11177 <br />Analyst:B. Lawson <br />Source:Trash Enclosure Activity <br />124.0 <br />NOISE MODEL INPUTS <br />Noise Distance to Barrier: <br />412.0Noise Distance to Observer <br />feet <br />feet <br />Noise Source Elevation:0.0 <br />Observer Elevation:0.0 feet <br />feet <br />Barrier Height:50.0 <br />Noise Source Height:5.0 feet <br />feet <br />Drop Off Coefficient:20.0 <br />20 = 6 dBA per doubling of distance <br />15 = 4.5 dBA per doubling of distance <br />288.0Barrier Distance to Observer:feet <br />Barrier Type (0-Wall, 1-Berm):0 <br />Leq LmaxL50 <br />88.569.0 <br />L25 <br />75.0 <br />L2 <br />87.0 <br />L8 <br />82.00.0 <br />Noise Level <br />NOISE MODEL PROJECTIONS <br />Distance (feet) <br />5.0Reference (Sample) <br />-38.3-38.3 -38.3 -38.3-38.3-38.3412.0Distance Attenuation <br />33.013.5 19.5 31.526.5-55.5 <br />124.0Shielding (Barrier Attenuation)-17.2-17.2 -17.2 -17.2-17.2-17.2 <br />Raw (Distance + Barrier) <br />Observer Height:5.0 feet <br />Observer Location:R4 <br />33.013.5 19.5 31.526.5-55.560 <br />Condition:Operational <br />Barrier Elevation:0.0 feet <br />Minute Hourly Adjustment <br />STATIONARY SOURCE NOISE PREDICTION MODEL 10/7/2019 <br />Project Name:TheAddington <br />Job Number:11177 <br />Analyst:B. Lawson <br />Source:Pad-Mounted Transformer <br />93.0 <br />NOISE MODEL INPUTS <br />Noise Distance to Barrier: <br />106.0Noise Distance to Observer <br />feet <br />feet <br />Noise Source Elevation:0.0 <br />Observer Elevation:0.0 feet <br />feet <br />Barrier Height:6.0 <br />Noise Source Height:5.0 feet <br />feet <br />Drop Off Coefficient:20.0 <br />20 = 6 dBA per doubling of distance <br />15 = 4.5 dBA per doubling of distance <br />13.0Barrier Distance to Observer:feet <br />Barrier Type (0-Wall, 1-Berm):0 <br />Leq LmaxL50 <br />0.056.0 <br />L25 <br />0.0 <br />L2 <br />0.0 <br />L8 <br />0.00.0 <br />Noise Level <br />NOISE MODEL PROJECTIONS <br />Distance (feet) <br />6.0Reference (Sample) <br />-24.9-24.9 -24.9 -24.9-24.9-24.9106.0Distance Attenuation <br />-30.325.7 -30.3 -30.3-30.3-30.3 <br />93.0Shielding (Barrier Attenuation)-5.4-5.4 -5.4 -5.4-5.4-5.4 <br />Raw (Distance + Barrier) <br />Observer Height:5.0 feet <br />Observer Location:R4 <br />-30.325.7 -30.3 -30.3-30.3-30.360 <br />Condition:Operational <br />Barrier Elevation:0.0 feet <br />Minute Hourly Adjustment <br />STATIONARY SOURCE NOISE PREDICTION MODEL 10/7/2019 <br />2-208