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I I I I I I I I I I I I I I I I I I I I""")': I~ L,) l.' i The Rocky Ford Delivery System is a closed conduit system that commences below the Lake Meredith Outlet Measuring Device and runs for approximately 23,000 ft, south to southwest to the Arkansas River just upstream of the Rocky Ford Canal Diversion Dam. The route selection and design of the delivery system is technically fairly straight forward with easement issues and environmental permits the primary concerns at this time. The estimated capital cost for this facility is approximately $9,498,000, C. LAKE MEREDITH ENLARGEMENT As discussed earlier, all reservoir expansion alternatives evaluated for this study are considered to be technically feasible, However, the east of Highway 71 embankment alignment provides significant advantages over other embankment alignments. The preliminary cost estimates for the eastern alignment for additional storage are in the range of $261 to $1,212, depending on the amount of additional storage capacity created, the embankment type and the criteria used. for sizing the outlet works and spillway, At this level, the overall cost appears to be well below the average cost for new raw water storage reservoir and should be given further consideration as an attractive option for adding raw water storage in the Arkansas River basin, The 75,000 AF additional storage capacity appears to provide the most economical storage capacity considering critical factors such as evaporation, A summary of the estimated costs for each of the Embankment Raised Alternatives is provided below in Table I-A and Table I-B. Table I-A costs are based on the SEO criteria for design of the outlet works and emergency spillway, Table I-B costs are based on the US Bureau of Reclamation criteria for design of the outlet works and emergency spillway, URS Greiner Page 5