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Cost Evaluation Assumptions§ All capital costs include 15% for contractor overhead and profit.§ All capital costs include 25% of equipment costs for labor to installthe equipment.§ Use 3% for rate of inflation.§ Use 5% for the interest rate in calculating net present worth.§ Use $0.06/kW hour for power costs.NC Water AWWA JAM WEA 2010 2011
Results: Equipment & Capital Cost$8,000,000 Equipment Cost$7,000,000 Non-Equipment Capital Cost$6,000,000 $5,000,000 $4,000,000 $3,000,000 $2,000,000 $1,000,000 NC Water AWWA JAM WEA 2010 2011$0 Lightnin Invent Pulsair EnviroMix Jet Mix
Page 1 and 2: Mixing Alternatives Evaluation and
Page 3: AgendaI. Why mix in BNR basins?II.
Page 8 and 9: Jet MixkLa SystemsTZO WRF Mixing Pu
Page 10 and 11: Hyperboloid Mixing—Pilots and Ins
Page 12 and 13: Big Bubble Mixing§ Components:§ C
Page 14 and 15: Big Bubble MixingNozzlesAirHeaderAc
Page 18 and 19: Results: Net Present Worth$14,000,0
Page 20 and 21: Results: Energy Consumption1.57 72H
Page 22 and 23: ReferencesNC Water AWWA JAM WEA 201
Page 24 and 25: Water JAM 2010 2011Questions

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