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<br />, <br /> <br />r <br /> <br />Estimated costs <br /> <br />Construction costs of the Lower Gunnison Basin Unit are based on <br />feasibility designs and have been updated to reflect January 1981 <br />prices. The costs reflect the assumption that winter stock water would <br />not be conveyed in project-lined canals. A summary of estimated costs is <br />presented below: <br /> <br />Construction costs <br />(January 1981) <br /> <br />Features <br />South Canal <br />Loutzenhizer Canal <br />Selig Canal <br />East Canal <br />Garnet Canal <br />Laterals under South Canal <br />Laterals under Loutzenhizer <br />Canal <br />Laterals under Selig Canal <br />Laterals under East Canal <br />Laterals under Garnet Canal <br />Service facilities deprecia- <br />tion and salvage <br />wildlife measures <br />Winter water replacement <br />Total <br /> <br />Total cost <br />$17,900,000 <br />11,100,000 <br />16,500,000 <br />10,100,000 <br />7,750,000 <br />25,100,000 <br /> <br />8,400,000 <br />16,500,000 <br />15,700,000 <br />2,900,000 <br /> <br />o <br />4,750,000 <br />1,100,000 <br />137,800,000 <br /> <br />OM&R costs would consist of personnel (salary and wages), electric <br />power consumption, replacement parts, supplies and materials, equipment <br />operation, and administrative and general expenses. <br /> <br />The estimated 1981 cost for OM&R for the portion of the irrigation <br />delivery system which would be lined is $570,000, which is the same as <br />would have been incurred without lining. However, with lining, future <br />costs are expected to increase at a slower rate than in the past. <br /> <br />An initial one-time investment of $140,000 for new maintenance equip- <br />ment for lined canals is included as a part of project capital costs. OM&R <br />costs will continue to be paid by the water users. <br /> <br />Cost effectiveness and repayment <br /> <br />Cost effectiveness as it is used in this report is the cost per <br />mg/L reduction in salt concentration at Imperial Dam. The Bureau is <br />attempting through its salinity studies to determine which of the units of <br />the CRWQIP have the greatest potential for salt concentration reduction for <br />the least amount of money expended. <br /> <br />Those units which have a cost effectiveness which meets the current <br />guidelines as'determined by the Department of the Interior through inter- <br />action with various Federal, State, and local agencies will be sent to <br />Congress and authorization for construction will be requested. <br /> <br />20 <br /> <br />000919 <br /> <br />1 <br />I <br />I <br />I <br />