R2004-35 AUTHORIZING THE EXECUTION OF A PROPOSAL

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,� ,� }-IC)\IFR 1.. CHASTAIN & ASSOCIATES, LLP 5 N.COUNTRY CLUB ROAD zi�-�zz-ss� CONSULTING ENGINEERS DECATUR,ILLINOIS 62521 FAX:217-422-0398 � February 6, 2004 Keith Alexander Director of Water Management 1155 S. Martin Luther King Jr. Drive Decatur, IL 62521 Attention: Mr. Steve Yeager Re: Proposal far Survey Work to Support Dredging of Basin 6 City Project No. 9956 Dear Steve: Enclosed is our proposal for providing the requested survey work to assist the City of Decatur in the dredging of Lake Decatur Basin 6. We feel the enclosed work will provide you with quality control for the management of the dredge work and will also simplify the work to be performed based upon the software technology purchased with the dredge equipment. The following is an explanation of the Scope of Work we plan to perform for the City of Decatur. 1. Project Management and Administration. We estimate approximately 8 hours to set up computer and survey files for this work. We have included some management time to coordinate of�ce and field activities as well as communicate/coordinate wark with the City. Hours: 8 Cost: $ 654 2. Survey Services • We will collect, compile and coordinate available existing information provided by the City of Decatur, the Illinois State Water Survey and from Dredge Supply Company to assemble and upload along with our � information into the WINOPS system to be used in the dredging project. I • We will set a vertical Benchmark on the Mobilization Site shoreline wall for your use in collecting vertical information and monitoring the dredging operation within Basin 6. • We will provide the City of Decatur with approximately 16 cross sections at approximately 800 foot intervals from south to north over the full width and along the basin's approximate 12,000 foot length. We will set lath and ribbon along both shorelines to keep our crew on line to collect the necessary x, y, z coordinate information at 50 foot intervals along each