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CII STAIN <br /> & ASSOCIATES 1_.1-C <br /> 5 NT Country Club Road 217-429-8800 <br /> CONSULTING ENGINEERS DECATUR,ILLINOIS 62521 FAX217422-0398 <br /> September 27, 2013 <br /> Mr. Keith Alexander <br /> Director of Water Management <br /> 1155 S. Martin Luther King Jr. Drive <br /> Decatur, Illinois 62523 <br /> Re: Contract Proposal <br /> Lake Decatur Dredging and Oakley Sediment Basin Rehabilitation project <br /> Dear Keith: <br /> We appreciate the opportunity to provide the City of Decatur with a contract proposal for <br /> professional engineering and construction observation services for the dredging of Lake Decatur <br /> Basins 1-4 and the rehabilitation of the Oakley Sediment Basin. <br /> Our work to be performed will consist of engineering to complete construction bid documents <br /> and to ensure all work performed by the Contractor is completed in accordance with the contract <br /> plans and specifications for the project. The Contractor's work for this project will include the <br /> dredging of Lake Decatur Basins 1-4, the construction of new sediment traps in the Big Creek <br /> and Sand Creek inlets to Basin 1, cleaning of the existing Sediment Trap at the upstream end of <br /> Basin 6, minor dredging and tree stump removal in Basin 6, as well as raising the existing berms <br /> at the Oakley Sediment Basin by ten(10) feet to store the additional dredged sediment from Lake <br /> Decatur. <br /> Attached is a detailed breakdown of the effort necessary to perform our work and the associated <br /> cost. The following information summarizes the effort as follows: <br /> 1._ Administration and Management(Assumes a 5 year project duration) <br /> This phase consists of project set up,project management,preparation of monthly reports and <br /> staff coordination for the duration of the project and project closeout. <br /> 322 hours and$ 52,403 <br /> 2. Completion of 2013 Contract Documents for Dredging <br /> This work consists of preparing a Special Use Permit for Macon County to permit modifications <br /> to the existing Oakley Sediment Basin, acquiring easements on private property',for the <br /> installation of a sediment pipeline from Basin 5 east to the Oakley Sediment Basin and complete <br /> all remaining geotechnical work for the slope stability analysis necessary for approval of a permit <br /> from the Illinois Department of Natural Resources. <br /> 356 hours and$ 38,975 <br /> A-1 <br />