North Platte - Walden Water Supply Improvement Project_Scope of Work

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Scope of Work -Town of Walden Water Supply Improvement Project This Scope of Work is divided into four sections as suggested in the Grant Application Instructions. Section 1 provides a description of each major task associated with the project along with a functional description of who will be completing the work and a description of the deliverables associated with the task. Section 2 lists the key personnel proposed f or the project along with a brief description of their relevant project experience. Section 3 presents a detailed breakdown of the costs to complete the study, and Section 4 presents the proposed Project Schedule. Section 1 Task Summary Introduction and Background In 2003, the Colorado Water Conservation Board (CWCB) completed the Statewide Water Supply Initiative (SWSI). That study included estimates of water demands in the North Platte River Basin through 2030. While SWSI provided a valuable coarse assessment of water demands f or the municipal, industrial, and agricultural sectors, the North Platte Roundtable members raised concerns that the study did not adequately evaluate the water needs of the Town of Walden (Town). The North Platte Roundtable requested the Interbasin Compact Committee (IBCC) to authorize the use of HB 1400 funds to study the Town's water rights, diversion facilities, and recommend any actions and improvements needed for the water supply system. The engineering consulting firm, Camp Dresser & McKee Inc. (CDM), was authorized under its HB 1400 contract with the CWCB to conduct the study. A final report was submitted to the North Platte Roundtable in March of 2008. The report "Town o f Walden -Water Supply Evaluation" made a number of recommendations for the Town to consider. At a meeting on April 10, 2008, the Town Board authorized the Mayor to sign and submit a SB 179 Grant Application and supporting documentation to the North Platte Roundtable. The Town directed that Alternatives 1 through 4 with modifications be included in the Grant Application. This Scope of Work includes a description of the tasks associated with completing these f our alternatives and related cost estimates f or completing these alternatives. Project Objectives The objectives of the proposed project are to: 1. Alternative 1- Construct a new collection gallery (infiltration gallery) near the existing diversion structure at the Michigan River. 2. Alternative 2 -Adjudicate the Town's two municipal wells as alternate points of diversion to the senior Hi Ho Ditch. 3. Alternative 3 -Rehabilitate the existing dam and diversion structure in the Michigan River.