The total design and construction cost for a sand filter machine to handle a flow rate of 0.7 million gallons per day (MGD) was $1.9 million in 2010. Estimate the cost today for a flow rate of 2.4 MGD. The cost index in 2010 of 161 has been updated to 285 for this year. Component/System/Plant Size Range Exponent Activated sludge plant Aerobic digester Clarifier 1 to 100 MGD 0.2 to 40 MGD 0.1 to 100 MGD 40 to 60 in 0.84 0.14 0.98 Centrifuge Sand filter 0.71 0.14 Heat exchanger Cyclone separator 500 to 3000 ft 20 to 8000 ft'/min 0.55 0.64

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The total design and construction cost for a sand filter machine to handle a flow rate of 0.7 million
gallons per day (MGD) was $1.9 million in 2010. Estimate the cost today for a flow rate of 2.4 MGD.
The cost index in 2010 of 161 has been updated to 285 for this year.
Component/System/Plant Size Range
Exponent
Activated sludge plant
Aerobic digester
Clarifier
Centrifuge
Sand filter
Heat exchanger
Cyclone separator
1 to 100 MGD
0.2 to 40 MGD
0.1 to 100 MGD
40 to 60 in
0.84
0.14
0.98
0.71
0.14
500 to 3000 ft?
20 to 8000 ft/min
0.55
0.64
Transcribed Image Text:The total design and construction cost for a sand filter machine to handle a flow rate of 0.7 million gallons per day (MGD) was $1.9 million in 2010. Estimate the cost today for a flow rate of 2.4 MGD. The cost index in 2010 of 161 has been updated to 285 for this year. Component/System/Plant Size Range Exponent Activated sludge plant Aerobic digester Clarifier Centrifuge Sand filter Heat exchanger Cyclone separator 1 to 100 MGD 0.2 to 40 MGD 0.1 to 100 MGD 40 to 60 in 0.84 0.14 0.98 0.71 0.14 500 to 3000 ft? 20 to 8000 ft/min 0.55 0.64
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