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<br />I, <br /> <br />, <br /> <br />BOX 11223 <br /> <br />~f:: .-:. ..". -j!'~I~' "~ <br /> <br />ENGINEERlt~f'r ,IV 'IiI' <br /> <br />CONSULTING WATER ENGINEERS Co - --_ _ '", )/'Ijj <br />PUEBLO,COlORADO B1001 303-546-01eoNSER~O. WAr,-,. . <br />Allv., <br />~v..,ttD <br /> <br />APPENDIX B <br /> <br />, <br /> <br />HYDRO <br /> <br />Mr, Nick Ioannides <br />Colorado Water Conservation Board <br />1313 Sherman Street , <br />Denver, Colorado 80203 ' <br /> <br />March 2, 1979 <br /> <br />Dear Nick: <br /> <br />ADDENDUM TO FEASIBILITY STUDY PROPOSAL <br />BEAVER PARK IRRIGATION SYSTEM <br /> <br />The following additional details are added to the proposed <br />work on the major rehabilitation tasks of the previous proposal. <br /> <br />1. Mapping of amount of sediment storage at the diversion dam, <br />Estimate yardage to be removed and cost, Inspection of diversion <br />gate and sluice gate, estimate replacement cost. Estimate cost of <br />concrete repairs, Evaluate the addition of a sand trap in the <br />diversion pipeline, Evaluate air release valves on the pipeline. <br /> <br />2. Survey profile and cross-sections of the Upper Canal. <br />Calculate hydraulic profile at various flows, Calculate flows in <br />each canal segment to size pipeline or ditch lining and estimate <br />construction costs. Locate all lateral gates and estimate the <br />replacement needs and costs, Make ditch loss measurements to <br />determine segment losses. <br /> <br />3. Survey Brush Hollow spillway cross-section, Calculate the <br />hydraulic capacity. Determine the watershed area and peak inflow. <br />Determine the design of an inlet structure from the upper ditch, <br />Estimate construction costs. Inspect outlet tube and gates, <br />Evaluate seepage control around embankments, <br /> <br />4, Survey profile and cross-sections of Lower Canal from Brush <br />Hollow Dam to Third Street. Make ditch loss measurements to <br />determine segment losses. Determine sizing of ditch lining or <br />pipeline and estimate construction costs. Calculate hydraulic <br />profile. <br /> <br />JMD /mmd <br /> <br />Very truly yours, <br /> <br />91- H]),,^-a-<-~ <br /> <br />ohn M DumeyeiJ, PE <br /> <br />cc. Beaver Park Water, Inc. <br /> <br />APPENDIX B <br /> <br />GROUNDWATER. HYDROLOGY. WATER RIGHTS . WATER QUALllY . WATER SUPPLY . SEWER STUDIES <br />