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Project Name:TheAddington <br />Job Number:11177 <br />Analyst:B. Lawson <br />Source:Air Conditioning Unit (Roof-Top) <br />390.0 <br />NOISE MODEL INPUTS <br />Noise Distance to Barrier: <br />393.0Noise 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 />-37.9-37.9 -37.9 -37.9-37.9-37.9393.0Distance Attenuation <br />21.317.5 19.2 20.820.5-56.9 <br />390.0Shielding (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:R1 <br />19.415.6 17.3 18.918.6-58.839 <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 />582.0 <br />NOISE MODEL INPUTS <br />Noise Distance to Barrier: <br />582.0Noise 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: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 />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 />-41.3-41.3 -41.3 -41.3-41.3-41.3582.0Distance Attenuation <br />47.227.7 33.7 45.740.7-41.3 <br />582.0Shielding (Barrier Attenuation)0.00.0 0.0 0.00.00.0 <br />Raw (Distance + Barrier) <br />Observer Height:5.0 feet <br />Observer Location:R1 <br />47.227.7 33.7 45.740.7-41.360 <br />Condition:Operational <br />Barrier Elevation:0.0 feet <br />Minute Hourly Adjustment <br />STATIONARY SOURCE NOISE PREDICTION MODEL 10/7/2019 <br />2-197