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October 15, 2009 <br />Table 2- Riverside Ditch � Allen Extension Co. <br />Summarized and Prioritized Capital Improvements (including Engineering Costs) <br />n <br />Opinion of Probable Costs <br />Contingency, <br />No. Description C onstruction Legal, Permitting Engineering Fees Total Cost <br />Year 1 (High Priority) Improvements <br />1 river diversion dike repair <br />2 river diversion main gate (add gate and move existing gate to river outflow position) <br />3 repair of ditch above Highway 24 <br />4 phreatophyte removal <br />5 headgate and flume installations (standardized installation, 12 locations) <br />6 canal reshaping and eaRhwork considering capacity <br />7 canal reach lining with EDPM membrane lining <br />8 PAM installation and monitoring <br />SubtoWl <br />High Priority Total Construction Costs <br />Year 2 (Moderate Priority) Improvements <br />9 headgate and flume installations 8� replacement (any remaining locations) <br />10 phreatophyte removal <br />11 SCADA monitoring at river diversion & Community Flume (central & 2 sites) <br />12 PAM installation and monitoring <br />13 Crazy Horse siphon trash rack and upstream channel overflow weir <br />$25,000 <br />10,000 <br />4,000 <br />5,000 <br />60,000 <br />10,000 <br />10,000 <br />5,000 <br />$129,000 <br />$9,000 <br />5,000 <br />9,000 <br />5,000 <br />5,000 <br />Subtotal $33,000 <br />Moderate Priority Total Construction Costs <br />Year 3 (Lower Priority) Improvements <br />14 phreatophyte removal 5,000 <br />15 SCADA monitoring installation at additional locations (two additional sites) 6,000 <br />Subtotal $77,000 <br />Lower Priority Total Construction Costs <br />Total Cost $173,000 <br />$3,000 <br />500 <br />500 <br />0 <br />1,000 <br />1,000 <br />1,000 <br />500 <br />$7,500 <br />$1,000 <br />0 <br />300 <br />500 <br />700 <br />$2,500 <br />0 <br />500 <br />$500 <br />$10,500 <br />$5,000 <br />1,800 <br />600 <br />0 <br />6,000 <br />1,500 <br />1,500 <br />500 <br />$16,900 <br />$33,000 <br />12,300 <br />5,100 <br />5,000 <br />67,000 <br />12,500 <br />12,500 <br />6,000 <br />$153,400 <br />$753,400 <br />$1,000 $11,000 <br />0 5,000 <br />1,000� 10,300 <br />500 6,000 <br />1,200 6,900 <br />$3,700 $39,200 <br />$39,200 <br />0 5,000 <br />500 7,000 <br />$500 a12,000 <br />$12,000 <br />$21,100 $204,600 <br />