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Exhibit A <br />Scope of Work <br />SPDSS Phase 1 <br />Ground Water Component <br />September 9, 2002 <br />Introduction <br />Following is the Phase 1 Scope of Work for the ground water component of the South Platte <br />Decision Support System (SPDSS). The Scope of Work is based on the SPDSS Feasibility Study <br />final report dated October 2001. The data collection and analysis activities will occur within the <br />Denver Basin and Overlying Alluvium Region (hereafter referred to as the Denver Basin Region) <br />and the Lower South Platte Alluvium Region (hereafter referred to as the Lower South Platte <br />Region). The locations and extents of these ground water regions are defined in the SPDSS <br />Feasibility Study. <br />The SPDSS implementation will occur in phases. The objectives of this Phase 1 ground water <br />scope of work are as follows: <br />• Collect and analyze historical data on geologic structure, aquifer properties and water <br />levels within the Denver Basin and Lower South Platte Regions. <br />• Design and implement the Phase 1 alluvial and bedrock well drilling and testing program <br />to supplement the historical data. <br />• Analyze and map geologic structure, aquifer properties and water level data. <br />Table 1 lists the Phase 1 ground water activities identified in the SPDSS Feasibility Study to <br />achieve these objectives. The Task numbers were assigned by the Colorado Water Conservation <br />Board, the lead agency on this project, with activities corresponding to Appendix C of the SPDSS <br />Feasibility Study. Several of the numbered tasks in Table 1 address individual analysis steps for a <br />single data type. These tasks are combined in this SOW to reflect the work that will be conducted <br />and the resulting deliverables. Cost and schedule to complete these Phase 1 tasks are presented in <br />Exhibits D and E, respectively. <br />Table 1 -Phase 1 Ground Water Tasks <br />Task 31 Collection of Historical Aquifer Configuration Data <br />Task 32 Collection of Historical A uifer Pro ert Data <br />Task 33 Field Study Workplan Development <br />Task 35 Construction and Testin of South Platte Alluvial Wells <br />Task 36 Construction and Testing of Bedrock Wells <br />Task 38 Collection of Historical Water Level Data <br />Task 42 Anal sis and Ma in of A uifer Confi uration Data <br />Task 43 Analysis and Mapping of Aquifer Property Data <br />Task 44 Anal sis and Ma in of Water Level Data <br />Task 51 Phase 1 Management <br />A significant amount of work has been completed by previous investigators on ground water in <br />the study area, as summarized in the SPDSS Feasibility Study. The existing aquifer <br />configuration, aquifer property and ground water level data will be compiled, reviewed and <br />SPDSS Groundwater SOW, Phase 1 Page 1 <br />