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Project Name:TheAddington <br />Job Number:11177 <br />Analyst:B. Lawson <br />Source:Trash Enclosure Activity <br />238.0 <br />NOISE MODEL INPUTS <br />Noise Distance to Barrier: <br />561.0Noise 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 />323.0Barrier 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 />-41.0-41.0 -41.0 -41.0-41.0-41.0561.0Distance Attenuation <br />31.111.6 17.6 29.624.6-57.4 <br />238.0Shielding (Barrier Attenuation)-16.4-16.4 -16.4 -16.4-16.4-16.4 <br />Raw (Distance + Barrier) <br />Observer Height:5.0 feet <br />Observer Location:R6 <br />31.111.6 17.6 29.624.6-57.460 <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 />229.0 <br />NOISE MODEL INPUTS <br />Noise Distance to Barrier: <br />298.0Noise 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 />69.0Barrier 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 />-33.9-33.9 -33.9 -33.9-33.9-33.9298.0Distance Attenuation <br />-39.017.0 -39.0 -39.0-39.0-39.0 <br />229.0Shielding (Barrier Attenuation)-5.1-5.1 -5.1 -5.1-5.1-5.1 <br />Raw (Distance + Barrier) <br />Observer Height:5.0 feet <br />Observer Location:R6 <br />-39.017.0 -39.0 -39.0-39.0-39.060 <br />Condition:Operational <br />Barrier Elevation:0.0 feet <br />Minute Hourly Adjustment <br />STATIONARY SOURCE NOISE PREDICTION MODEL 10/7/2019 <br />2-215