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. . Exhibit I - Scope of Services Metropolitan Water Supply Investigation November 17, 1993 Page 16 Comprehensive Analytical Capability The MWSI Project should aim toward the development of an analytical tool capable of evaluating a variety of methods for increasing metro area water supplies through cooperative operation of individual water supply systems. Ultimately this should include the capability to estimate overall system yield when individual water systems are operated in a cooperative rather than competitive mode, The MWSI Project should also be able to articulate such a mode of operation in terms of prior appropriation language, in order to address such questions as how the SEO would administer such an arrangement, and what sort of agreements among water users would be required. The Denver study is not currently scoped to do this, although the Denver model may have some capability in this area, Otherwise a separate modeling capability will be needed. The degree to which the Denver model may be usable will depend on both technical and access issues, Irrespective of the utility of Denver's model for system integration analysis, it may be desirable for the MWSI Project to develop a separate, more generalized modeling capability, which could be used for relatively quick and inexpensive evaluation of yield potentials and impacts of water supply alternatives. Those options which appear to have particular merit could then be subject to more thorough scrutiny through the use of Denver's model. Specific Water Supply Investigations At a minimum, three conceptual water supply proposals must be refined into specific mechanisms and must be examined individually and in combination with respect to their water supply yield benefits to the metro Denver area, their project costs, their impacts on agricultural water users and groundwater levels, and theif effects in other areas such as water quality, wildlife habitat and flood control. The Draft Executive Order has identified three opportunities which should be the subject of these special studies: 1) some version of the Barr Lake Plan; 2) Conjunctive Use of Non-tributary Groundwater; and 3) cooperative integration of metro Denver and northern water supply systems, With regard to these specific investigations, the MWSI Project should focus on technical aspects, and not get bogged down in institutional issues; however, it should identify and articulate what those institutional issues are. These specific investigations should focus on gathefing the data and developing the modeling capability needed for a credible analysis of system integration alternatives. These investigations should be designed so that theif results could be incorporated with State's model and the Denver study modeling effort, General Project Approach The overall approach to completion of the MWSI Project, as recommended in this proposal, can best be described in four study ofganizational categories: 1. Scooin!! - This category incorporates the "Initial Scoping Meetings" and "Refine Study Plan" tasks and is designed to more specifically define study objectives, and identify data needs and sources, identify the technical issues to be addressed and more specifically define the Study ta,ks necessary for achieving MWSI Project objectives; 2, Information Develooment - This category of tasks includes "Existing Data/Tool Inventory" and "Special Studies" and is aimed first at gathering and evaluating existing relevant (as defined in the scoping process) data and analytical tools and then