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
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