A high pressure (1000 psi) stainless steel pump with a variable frequency drive is installed in a seawater reverse osmosis pilot plant that is recoveringwater from membrane concentrate at a rate of 4 gallons per minute (gpm). The cost of the pump was $13,000. Because of favorable results from thepilot study, the water utility wants to go with a fullscale system that will produce 500 gpm. Estimate the cost of the larger pump, if the exponent in the cost-capacity equation has a value of 0.37.

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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A high pressure (1000 psi) stainless steel pump with a variable frequency drive is installed in a seawater reverse osmosis pilot plant that is recovering
water from membrane concentrate at a rate of 4 gallons per minute (gpm). The cost of the pump was $13,000. Because of favorable results from the
pilot study, the water utility wants to go with a fullscale system that will produce 500 gpm. Estimate the cost of the larger pump, if the exponent in the cost-capacity equation has a value of 0.37.

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