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WSPC04744
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Last modified
1/26/2010 11:40:47 AM
Creation date
10/9/2006 4:47:51 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8064.100
Description
Ute Tribes
State
CO
Basin
San Juan/Dolores
Water Division
7
Date
1/8/1986
Author
Boyle Engineering
Title
Agricultural Engineering Study - McElmo Watershed - Task D-E Report - Step A
Water Supply Pro - Doc Type
Report/Study
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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />1682 <br /> <br />was assumed for this Task D analysis. Amortizing this cost at 8-3/8 <br /> <br /> <br />percent interest over 50 years gives a cost of $34.40, or in round <br /> <br /> <br />numbers, $35 per acre. This cost was then included in the on-farm <br /> <br /> <br />costs for gravity irrigation, <br /> <br />0.3 OFF-FARM IRRIGATION TRANSMISSION SYSTEM COST <br /> <br /> <br />0.3,1 General <br /> <br /> <br />The off-farm icrigation transmission facilities will generally <br /> <br /> <br />consists of transmission pipelines, pumping stations, and diversion <br /> <br /> <br />facilities. Roads for access to pump stations; rights-of-way; and <br /> <br /> <br />the extension of electrical power services to pumping stations were <br /> <br /> <br />not included in the cost analysis. Costs for those items included <br /> <br /> <br />are based on experience with similar facilities. 1\11 costs are then <br /> <br /> <br />amortized using a discount rate of 8-3/8 percent over a 50 year <br /> <br /> <br />project life, <br /> <br />D.3.2 Pumping Stations <br />Pump station costs were estimated using an equation which considers <br />flow and horsepower as variables. The equation is based on Boyle's <br />exper ience wi th var ious si ze agr icul tural pump stat ions wh ich <br />include pump motor, pump structure, valves, surge control, and power <br />panel. The equation is: <br />Cost ($) = 2441 x (GPM) 0.41 + 150 (HP) 1. 05 <br />where GPM is the system flow rate in gallons per minute and HP is the <br />grosS horsepower. <br /> <br />4 <br />
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