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<br />'t . <br /> <br />, <br /> <br />.. <br /> <br />ATTACHMENT A <br /> <br />There are three basic items of concern that you require to be addressed, specifically the following: <br /> <br />1) The structural and hydraulic integrity of the canal to convey the decreed 860 cubic feet <br />per second (cfs). <br /> <br />2) The permanent removal of the side-spill spillway from the canal at Rapid Creek, which <br />apparently now causes overtopping of the canal and flooding of 1-70. <br /> <br />3) The inverted siphon at Stokes Gulch is leaking at the inlet to the siphon and requires <br />rehabilitation. <br /> <br />To address and the alleviate these problems, Water Management Consultants (WMC) recommends the <br />following: <br /> <br />1) Conduct a feasibility study that will include evaluation of alternative solutions for each <br />of the three concerns, cost estimation of the alternatives, selection of the most viable <br />alternative, and conduct a cost-benefit analysis of the project. This study will include a <br />review of the original hydraulic and structural design of the facilities and assessment of <br />modifications conducted following the original construction. Following completion of <br />the feasibility study, a brief report will be prepared for the Board of Directors outlining <br />the results and providing recommendations for either conducting ongoing maintenance <br />and minor corrective action or rehabilitation and upgrading the facilities within the <br />study reach. <br /> <br />2) If the most viable alternative available is financially sound, we will prepare a cost <br />estimate for the preparation of the plans and specifications and the construction cost <br />estimate. <br /> <br />We estimate that the above work would tlke about six weeks to complete and would cost between <br />$20,000 and $25,000, depending upon the number and type of alternatives reviewed. The total cost of <br />the above work will not exceed $25,004.00, without a written change order. A breakdown of this cost <br />estimate follows as Attachment B. The estimate includes two meetings with your board and <br />presentation of the recommendations at the conclusion of the study. <br />