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Project Name:TheAddington <br />Job Number:11177 <br />Analyst:B. Lawson <br />Source:Pad-Mounted Transformer <br />107.0 <br />NOISE MODEL INPUTS <br />Noise Distance to Barrier: <br />370.0Noise 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 />263.0Barrier 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 />-35.8-35.8 -35.8 -35.8-35.8-35.8370.0Distance Attenuation <br />-53.22.8 -53.2 -53.2-53.2-53.2 <br />107.0Shielding (Barrier Attenuation)-17.4-17.4 -17.4 -17.4-17.4-17.4 <br />Raw (Distance + Barrier) <br />Observer Height:5.0 feet <br />Observer Location:R7 <br />-53.22.8 -53.2 -53.2-53.2-53.260 <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:Parking Lot Veh. Movements <br />88.0 <br />NOISE MODEL INPUTS <br />Noise Distance to Barrier: <br />88.0Noise 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:15.0 <br />20 = 6 dBA per doubling of distance <br />15 = 4.5 dBA per doubling of distance <br />0.0Barrier Distance to Observer:feet <br />Barrier Type (0-Wall, 1-Berm):0 <br />Leq LmaxL50 <br />68.644.0 <br />L25 <br />47.0 <br />L2 <br />61.0 <br />L8 <br />55.00.0 <br />Noise Level <br />NOISE MODEL PROJECTIONS <br />Distance (feet) <br />10.0Reference (Sample) <br />-14.2-14.2 -14.2 -14.2-14.2-14.288.0Distance Attenuation <br />44.219.6 22.6 36.630.6-24.4 <br />88.0Shielding (Barrier Attenuation)-10.2-10.2 -10.2 -10.2-10.2-10.2 <br />Raw (Distance + Barrier) <br />Observer Height:5.0 feet <br />Observer Location:R7 <br />44.219.6 22.6 36.630.6-24.460 <br />Condition:Operational <br />Barrier Elevation:0.0 feet <br />Minute Hourly Adjustment <br />STATIONARY SOURCE NOISE PREDICTION MODEL 10/7/2019 <br />2-219