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Project Name:TheAddington <br />Job Number:11177 <br />Analyst:B. Lawson <br />Source:Air Conditioning Unit (Roof-Top) <br />207.0 <br />NOISE MODEL INPUTS <br />Noise Distance to Barrier: <br />210.0Noise Distance to Observer <br />feet <br />feet <br />Noise Source Elevation:50.0 <br />Observer Elevation:0.0 feet <br />feet <br />Barrier Height:4.0 <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 />3.0Barrier Distance to Observer:feet <br />Barrier Type (0-Wall, 1-Berm):0 <br />Leq LmaxL50 <br />78.274.4 <br />L25 <br />76.1 <br />L2 <br />77.7 <br />L8 <br />77.40.0 <br />Noise Level <br />NOISE MODEL PROJECTIONS <br />Distance (feet) <br />5.0Reference (Sample) <br />-32.5-32.5 -32.5 -32.5-32.5-32.5210.0Distance Attenuation <br />26.722.9 24.6 26.225.9-51.5 <br />207.0Shielding (Barrier Attenuation)-19.0-19.0 -19.0 -19.0-19.0-19.0 <br />Raw (Distance + Barrier) <br />Observer Height:5.0 feet <br />Observer Location:R5 <br />24.821.0 22.7 24.324.0-53.439 <br />Condition:Operational <br />Barrier Elevation:50.0 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:Trash Enclosure Activity <br />220.0 <br />NOISE MODEL INPUTS <br />Noise Distance to Barrier: <br />534.0Noise 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 />314.0Barrier 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 />-40.6-40.6 -40.6 -40.6-40.6-40.6534.0Distance Attenuation <br />31.411.9 17.9 29.924.9-57.1 <br />220.0Shielding (Barrier Attenuation)-16.5-16.5 -16.5 -16.5-16.5-16.5 <br />Raw (Distance + Barrier) <br />Observer Height:5.0 feet <br />Observer Location:R5 <br />31.411.9 17.9 29.924.9-57.160 <br />Condition:Operational <br />Barrier Elevation:0.0 feet <br />Minute Hourly Adjustment <br />STATIONARY SOURCE NOISE PREDICTION MODEL 10/7/2019 <br />2-211