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<br />TABLE 8.G.41
<br />COST SUMMARY
<br />GROUNDWATER RECHARGE/RETURN FLOW PROJECTS IN REGION 3
<br />Note: It was assumed that wells and pumping hardware would need to be replaced after 15 years.
<br />Future costs are based on an rate of 4 percent and a present day cost of $30,000.
<br />8 -G -53
<br />REGION 3
<br />Gothenburg
<br />Dawson
<br />Groundwater
<br />Groundwater
<br />Groundwater
<br />Canal
<br />Canal
<br />Pumping Projects
<br />Pumping Projects
<br />Canal Diversion Projects
<br />Recharge Project
<br />Recharge Project
<br />Middle of Reach 10
<br />Middle of Reach 13
<br />Middle of Reach 13
<br />CONSTRUCTION COSTS PER
<br />DIVERSION STRUCTURE OR WELL
<br />Subsurface Investigations
<br />3,500
<br />3,500
<br />3,500
<br />3,500
<br />3,500
<br />Diversion Structures
<br />3,000
<br />3,000
<br />3,000
<br />Recharge Basins
<br />6,000
<br />6,000
<br />6,000
<br />6,000
<br />6,000
<br />Measuring Devices
<br />4,000
<br />4,000
<br />4,000
<br />Well Construction & Pumps
<br />30,000
<br />30,000
<br />Conveyance Conduit
<br />7,000
<br />7,000
<br />Power Hook -up
<br />4,000
<br />4,000
<br />4000' 12" dia pipe @ $5 1ft
<br />20,000
<br />20,000
<br />Replacement Costs (Well & Pump Hardware)
<br />54,000
<br />54,000
<br />Total Cost per Structure or Well
<br />16,500
<br />16,500
<br />124,500
<br />124,500
<br />16,500
<br />No. of structures or wells
<br />1
<br />1
<br />50
<br />50
<br />50
<br />Total Construction Cost
<br />16,500
<br />16,500
<br />6,225,000
<br />6,225,000
<br />825,000
<br />Engineering Fees (10 %)
<br />2,000
<br />2,000
<br />623,000
<br />623,000
<br />83,000
<br />Total Construction Costs + Engineering Fees
<br />18,500
<br />18,500
<br />6,848,000
<br />6,848,000
<br />908,000
<br />ANNUAL COSTS
<br />Amt. Diverted
<br />5,484
<br />7,475
<br />34,845
<br />29,130
<br />10,399
<br />Delivery Cost ($10 /af)
<br />54,840
<br />74,750
<br />103,990
<br />Pump operation cost ($8 /af)
<br />278,760
<br />233,040
<br />Annual Maintenance Costs ($300 /well)
<br />15,000
<br />15,000
<br />Total Annual Cost
<br />54,840
<br />74,750
<br />293,760
<br />248,040
<br />103,990
<br />No. of years
<br />20
<br />20
<br />20
<br />20
<br />20
<br />Discount Rate
<br />6%
<br />6%
<br />6%
<br />6%
<br />6%
<br />Present Value of Annual Costs
<br />629,010
<br />857,377
<br />3,369,404
<br />2,844,999
<br />1,192,757
<br />Total Capitalized Cost of Project
<br />650,000
<br />880,000
<br />10,220,000
<br />9,700,000
<br />2,110,000
<br />Note: It was assumed that wells and pumping hardware would need to be replaced after 15 years.
<br />Future costs are based on an rate of 4 percent and a present day cost of $30,000.
<br />8 -G -53
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