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Project Name:TheAddington <br />Job Number:11177 <br />Analyst:B. Lawson <br />Source:Pad-Mounted Transformer <br />214.0 <br />NOISE MODEL INPUTS <br />Noise Distance to Barrier: <br />214.0Noise 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 />0.0Barrier 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 />-31.0-31.0 -31.0 -31.0-31.0-31.0214.0Distance Attenuation <br />-41.214.8 -41.2 -41.2-41.2-41.2 <br />214.0Shielding (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:R1 <br />-41.214.8 -41.2 -41.2-41.2-41.260 <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 />19.0 <br />NOISE MODEL INPUTS <br />Noise Distance to Barrier: <br />166.0Noise 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 />147.0Barrier 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 />-18.3-18.3 -18.3 -18.3-18.3-18.3166.0Distance Attenuation <br />45.020.4 23.4 37.431.4-23.6 <br />19.0Shielding (Barrier Attenuation)-5.3-5.3 -5.3 -5.3-5.3-5.3 <br />Raw (Distance + Barrier) <br />Observer Height:5.0 feet <br />Observer Location:R1 <br />45.020.4 23.4 37.431.4-23.660 <br />Condition:Operational <br />Barrier Elevation:0.0 feet <br />Minute Hourly Adjustment <br />STATIONARY SOURCE NOISE PREDICTION MODEL 10/7/2019 <br />2-198