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Project Name:TheAddington <br />Job Number:11177 <br />Analyst:B. Lawson <br />Source:Pad-Mounted Transformer <br />105.0 <br />NOISE MODEL INPUTS <br />Noise Distance to Barrier: <br />119.0Noise 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 />14.0Barrier 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 />-25.9-25.9 -25.9 -25.9-25.9-25.9119.0Distance Attenuation <br />-31.324.7 -31.3 -31.3-31.3-31.3 <br />105.0Shielding (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:R3 <br />-31.324.7 -31.3 -31.3-31.3-31.360 <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 />8.0 <br />NOISE MODEL INPUTS <br />Noise Distance to Barrier: <br />23.0Noise 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 />15.0Barrier 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 />-5.4-5.4 -5.4 -5.4-5.4-5.423.0Distance Attenuation <br />57.332.7 35.7 49.743.7-11.3 <br />8.0Shielding (Barrier Attenuation)-5.9-5.9 -5.9 -5.9-5.9-5.9 <br />Raw (Distance + Barrier) <br />Observer Height:5.0 feet <br />Observer Location:R3 <br />57.332.7 35.7 49.743.7-11.360 <br />Condition:Operational <br />Barrier Elevation:0.0 feet <br />Minute Hourly Adjustment <br />STATIONARY SOURCE NOISE PREDICTION MODEL 10/7/2019 <br />2-205