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Observer Location: R5 Project Name: TheAddington <br />Source: Roof -Top Parking Job Number: 11177 <br />Condition: Operational Analyst. B. Lawson <br />NOISE MODEL INPUTS <br />Noise Distance to Observer <br />302.0 feet <br />Noise Distance to Barrier. <br />289.0 feet <br />Barrier Distance to Observer: <br />13.0 feet <br />Observer Elevation: <br />0.0 feet <br />Noise Source Elevation: <br />40.0 feet <br />Barrier Elevation: <br />0.0 feet <br />Barrier Height: <br />6.0 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 />15.0 <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 />10.0 0.0 <br />44.0 <br />47.0 <br />55.0 <br />61.0 <br />68.6 <br />Distance Attenuation <br />302.0 -22.2 <br />-22.2 <br />-22.2 <br />-22.2 <br />-22.2 <br />-22.2 <br />Shielding (Barrier Attenuation) <br />289.0 -5.2 <br />-5.2 <br />-5.2 <br />-5.2 <br />-5.2 <br />-5.2 <br />Raw (Distance + Barrier) <br />-27.4 <br />16.6 <br />19.6 <br />27.6 <br />33.6 <br />41.2 <br />60 Minute Hourly Adjustment <br />-27.4 <br />16.6 <br />19.6 <br />27.6 <br />33.6 <br />41.2 <br />Observer Location: R6 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 />295.0 feet <br />Noise Distance to Barrier. <br />292.0 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 />295.0 -35.4 <br />-35.4 <br />-35.4 <br />-35.4 <br />-35.4 <br />-35.4 <br />Shielding (Barrier Attenuation) <br />292.0 -19.0 <br />-19.0 <br />-19.0 <br />-19.0 <br />-19.0 <br />-19.0 <br />Raw (Distance + Barrier) <br />-54.4 <br />20.0 <br />21.7 <br />23.0 <br />23.3 <br />23.8 <br />39 Minute Hourly Adjustment <br />-56.3 <br />18.1 <br />19.8 <br />21.1 <br />21.4 <br />21.9 <br />