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Project Name:TheAddington <br />Job Number:11177 <br />Analyst:B. Lawson <br />Source:Parking Lot Veh. Movements <br />80.0 <br />NOISE MODEL INPUTS <br />Noise Distance to Barrier: <br />80.0Noise Distance to Observer <br />feet <br />feet <br />Noise Source Elevation:0.0 <br />Observer Elevation:0.0 feet <br />feet <br />Barrier Height:0.0 <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 />-13.5-13.5 -13.5 -13.5-13.5-13.580.0Distance Attenuation <br />55.130.5 33.5 47.541.5-13.5 <br />80.0Shielding (Barrier Attenuation)0.00.0 0.0 0.00.00.0 <br />Raw (Distance + Barrier) <br />Observer Height:5.0 feet <br />Observer Location:R6 <br />55.130.5 33.5 47.541.5-13.560 <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:Courtyard Activity <br />12.0 <br />NOISE MODEL INPUTS <br />Noise Distance to Barrier: <br />295.0Noise 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 />283.0Barrier Distance to Observer:feet <br />Barrier Type (0-Wall, 1-Berm):0 <br />Leq LmaxL50 <br />83.673.8 <br />L25 <br />76.0 <br />L2 <br />80.9 <br />L8 <br />78.575.2 <br />Noise Level <br />NOISE MODEL PROJECTIONS <br />Distance (feet) <br />10.0Reference (Sample) <br />-29.4-29.4 -29.4 -29.4-29.4-29.4295.0Distance Attenuation <br />35.325.5 27.7 32.630.226.9 <br />12.0Shielding (Barrier Attenuation)-18.9-18.9 -18.9 -18.9-18.9-18.9 <br />Raw (Distance + Barrier) <br />Observer Height:5.0 feet <br />Observer Location:R6 <br />35.325.5 27.7 32.630.226.960 <br />Condition:Operational <br />Barrier Elevation:0.0 feet <br />Minute Hourly Adjustment <br />STATIONARY SOURCE NOISE PREDICTION MODEL 10/7/2019 <br />2-216