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f4 i,�, f3. <br />1k. <br />Draft 1, 10 -1 -99 <br />Scope of Work, Part II <br />The consultant will review and evaluate the methodology, assumptions_ and <br />information used to design Colorado's Tamarack Plan as described in Tab 3A in the <br />Cooperative Agreement for Platte River Research and Other Efforts Relating to <br />Endangered Species Habitats Along the Central Platte River, Nebraska. The <br />purpose of this review is to verify that the design of the Tamarack Plan was <br />accomplished using generally accepted engineering practices that were applied <br />properly and accurately. This analysis should include the following: <br />1) A review of the general applicability of the Stream Depletion Factor <br />method in characterizing the timing and amount of accretions a.nd- <br />depletions to the river resulting from artificial ground water recharge <br />operations. <br />2) A review of the specific assumptions and data used in the design of the <br />Tamarack Plan, including hydrologic information, operational <br />assumptions, aquifer characteristics, and pumping schedules. The <br />Consultant should verify that the information and data used are accurate <br />and that the assumptions made in modeling the Tamarack Plan are <br />reasonable. <br />3) An evaluation of Tamarack Plan results, specifically to verify that the <br />engineering analysis of the Tamarack Plan was done correctly and that <br />the results are presented accurately. The Consultant shall identify any <br />"fatal flaws ", if any, related to the engineering/design aspects of the <br />Tamarack Plan. <br />