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<br />Final Draft - Preferred Storage Options Plan <br />Southeastern Colorado Water Conservancy District <br />June 8, 2000 <br /> <br />Implementation Cost Cost estimates for raising Pueblo Dam were developed by the <br />USBR. B&V evaluated the costs associated with modifying facilities (railroad, paved <br />roads, waterline, sewer line), recreational amenities (marinas, campgrounds, picnic <br />areas), and environmental mitigation measures associated with Pueblo Dam and <br />Reservoir. Total project cost for enlarging Pueblo Dam and Reservoir is expected to <br />range from $43 to $110 million: <br /> <br /> Cost in $ Million <br /> Major Cost Item 25,000 at 60,000 at 75,000 at <br />. General Condition 1.4 2.9 4.3 <br />. Dam Construction 17.4 31.0 37.9 <br />. Facilities modification, recreational 9.2 19.2 28.6 <br /> amenities, mitigation <br /> Construction Cost 28.0 53.1 70.8 <br />. Permitting and NEPA 2.2 4.2 5.7 <br />. USSR Legal, Administrative and 13.2 25.0 33.2 <br /> Engineering Costs <br />. Total Project Cost $43.4M $82.3M $109.7M <br /> Unit Cost ($Iaf) $1,730 $1,370 $1,460 <br /> <br />Turquoise Reservoir Enlarvement <br /> <br />Technical Issues. Two enlargements of Turquoise Reservoir, which would be achieved <br />by raising SugarloafDam, have been identified by B&V (2000), as indicated below: <br /> <br /> Capacity Increase (at) <br /> Existing 11,950 19,600 <br /> Reservoir <br />Top of Active Storage (ft) 9869.4 9876.0 9880.1 <br />Spillway Crest Elevation (ft) 9869.4 9876.0 9880.1 <br />Top of Dam (ft) 9879.0 9883.5 9887.5 <br /> <br />B&V appears to have concluded, based on their review of original dam construction, <br />performance history, and site and geological conditions, that raising the dam significantly <br />more than associated with the larger capacity above could pose more challenging <br /> <br />J\PROJECTS\9906I\RqlOTtS\Prefem:d SOP Final wpd <br /> <br />3-11 <br /> <br />m GEl Consultants, Inc. <br />