R2007-137 ACCEPTING THE BID AND AUTHORIZING A CONTRACT

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. � , � °. Engineering & Infrastructure Memorandum NO. 2007-41 � July 26, 2007 ' TO: Honorable Mayor Osborne and City Council .FROM: Steve Gar , City Manager C /� Richard G. arley, P.E.,Director for Engi eering & Inf astr�c�ure Richard N. erard, Civil Engineer II SUBJECT: Oakley Sediment Basin Facility Repair Work, City Project 07-17 SUMMARY RECOMMENDATION: It is recommended by staff that the City Council approve the attached resolution awarding the contract for Oakley Sediment Basin Facility Repair Work, City Project 07-17, to Otto Baum Company Inc., as the lowest responsible bidder in the amount of$79,188.98, and that the Mayor be authorized to execute the contract, and the City Clerk to attest. BACKGROUND: The City owns and operates the Oakley Sediment Basin Facility located approximately one half mile east of Lake Decatur's Basin 5 in Oakley Township. The facility is used in the dredging operations currently underway in Basin 6. Dredged material is mixed with lake water to create slurry and is pumped to the basin. The sediment settles to the bottom and clarified water is returned to the lake. This project is to undertake maintenance repair work at the Oakley Sediment Basin Facility consisting of the following: 1- Repairs to sections of the dike embankment damaged by wave action. 2- Installation of drainage tile along a portion of the dike embankment to help control minor seepage. 3- Improvements to the stream returning clarified water to the lake. A major portion of the work will be undertaken by Maltby Excavating, Inc., Pawnee, Illinois, as a sub-contractor to Otto Baum Company, Inc. The project plans and specifications were prepared by Homer L. Chastain & Associates, Inc. The project was advertised July 3, 2007, and bids were opened on July 25, 2007. The results for the letting are as follows: Compared to Engineer's Est. Bidder Bid Price Over (-Under) Engineer's Estimate $ 125,365.60 ---- Otto Baum Company, Inc. $ 79,188.98 (-36.8°/o) Hutchen's Bulldozing $ 97,509.23 (-22.2%)