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Observer Location: R1 Project Name: TheAddington <br />Source: Air Conditioning Unit (Roof -Top) Job Number: 11177 <br />Condition: Operational Analyst. B. Lawson <br />NOISE MODEL INPUTS <br />Noise Distance to Observer <br />393.0 feet <br />Noise Distance to Barrier. <br />390.0 feet <br />Barrier Distance to Observer: <br />3.0 feet <br />Observer Elevation: <br />0.0 feet <br />Noise Source Elevation: <br />50.0 feet <br />Barrier Elevation: <br />50.0 feet <br />Barrier Height: <br />4.0 feet <br />Noise Source Height. <br />5.0 feet <br />Observer Height: <br />5.0 feet <br />Barrier Type (0-Wall, f-Berm): <br />0 <br />Drop Off Coefficient. <br />20.0 <br />20 = 6 dBA per doubling of distance <br />15 = 4.5 dBA per doubling of distance <br />NOISE MODEL PROJECTIONS <br />Noise Level Distance (feet) Leq L50 L25 L8 L2 Lmax <br />Reference (Sample) <br />5.0 0.0 <br />74.4 <br />76.1 <br />77.4 <br />77.7 <br />78.2 <br />Distance Attenuation <br />393.0 -37.9 <br />-37.9 <br />-37.9 <br />-37.9 <br />-37.9 <br />-37.9 <br />Shielding (Barrier Attenuation) <br />390.0 -19.0 <br />-19.0 <br />-19.0 <br />-19.0 <br />-19.0 <br />-19.0 <br />Raw (Distance + Barrier) <br />-56.9 <br />17.5 <br />19.2 <br />20.5 <br />20.8 <br />21.3 <br />39 Minute Hourly Adjustment <br />-58.8 <br />15.6 <br />17.3 <br />18.6 <br />18.9 <br />19.4 <br />Observer Location: R1 Project Name: TheAddington <br />Source: Trash Enclosure Activity Job Number: 11177 <br />Condition: Operational Analyst: B. Lawson <br />NOISE MODEL INPUTS <br />Noise Distance to Observer <br />582.0 feet <br />Noise Distance to Barrier. <br />582.0 feet <br />Barrier Distance to Observer: <br />0.0 feet <br />Observer Elevation: <br />0.0 feet <br />Noise Source Elevation: <br />0.0 feet <br />Barrier Elevation: <br />0.0 feet <br />Barrier Height: <br />0.0 feet <br />Noise Source Height. <br />5.0 feet <br />Observer Height. <br />5.0 feet <br />Barrier Type (0-Wall, f-Berm): <br />0 <br />Drop Off Coefficient: <br />20.0 <br />20 = 6 dBA per doubling of distance <br />15 = 4.5 dBA per doubling of distance <br />NOISE MODEL PROJECTIONS <br />Noise Level Distance (feet) Leq L50 L25 L8 L2 Lmax <br />Reference (Sample) <br />5.0 0.0 <br />69.0 <br />75.0 <br />82.0 <br />87.0 <br />88.5 <br />Distance Attenuation <br />582.0 -41.3 <br />-41.3 <br />-41.3 <br />-41.3 <br />-41.3 <br />-41.3 <br />Shielding (Barrier Attenuation) <br />582.0 0.0 <br />0.0 <br />0.0 <br />0.0 <br />0.0 <br />0.0 <br />Raw (Distance + Barrier) <br />-41.3 <br />27.7 <br />33.7 <br />40.7 <br />45.7 <br />47.2 <br />60 Minute Hourly Adjustment <br />-41.3 <br />27.7 <br />33.7 <br />40.7 <br />45.7 <br />47.2 <br />