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, .' .. Subtask 3- Estimate Other Consumptive Use 3.1 Based on the reservoir evaporation data developed by Division 4 for the AspinaIl Unit and Taylor Park Reservoirs and other consumptive uses developed for the CROSS Phase II Consumptive Uses and Losses Report, estimate other uses CU for the Gunnison River Basin upstream of the Aspinall Unit between Crystal and Morrow Point, Morrow Point and Blue Mesa, and upstream of Blue Mesa, Note; stock ponds and livestock use wiIl be excluded from this summary since water rights are not typically assigned to these uses, 3,2 In cooperation with the Division Engineer, identify the major components contributing to the other uses, 3.3 Identify the active structures and water rights associated with the major identified other users, 3.4 Similar to Subtask 1.4 characterize (average monthly) the diversions of the Other Uses structures. 3.5 Prepare a PC-based spreadsheet (Excel), same as in section 2.5) that will aIlow one to enter an administrative number and obtain an estimate of the other uses consumptive use senior and junior to that administrative number. 3.6 Operate the spreadsheet with the same administration dates used in 1.9 and summarize results in a table, Subtask 4 - Documentation 4,1 Prepare six (6) copies of a draft memorandum summanzmg the analysis and results performed in subtasks 1 through 3. Include: a) a table and a plot summarizing the average annual CU that occurs above the Aspinall Unit between Crystal and Morrow Point, Morrow Point and Blue Mesa, and upstream of Blue Mesa for agricultural, M&I, other uses, for each CD group presented in Task 1.9, This should be considered preliminary since the user may wish to improve the analysis through refinement of the input data, b) discussion of areas of potential enhancements or limitations that might include a new approach to assign climate parameters rather than the countylHUC approach, a less regional approach to assign maximum system efficiency, additional diversion record coding, incorporating caIl estimates, etc. c) discuss and contrast the CU estimates and approach developed herein for potential use in court to the estimates developed for planning purposes by the Phase II CROSS analysis, and the Phase IlIa StateMod analysis, Areas of discussion are expected to include variable versus average monthly efficiency, historic versus simulated diversions, soil moisture accounting, refinement of basic data, etc, d) a basic description of the basic process and tools employed in the analysis so that the procedure could be applied by local water users and administrators. 4,2 Finalize the draft documentation (subtask 4,1) with State and other reviewer comments, Provide six (6) hard copies and one in MS Word format. \.f5\)~ 5 ,.