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DEPARTMENT OF WATER MANAGEMENT <br /> Memorandum No. 2001-04 <br /> February 08, 2001 <br /> � TO: Honorable Mayor Howley and City Council <br /> FROM: Steve Garman, City Manager <br /> John A. Smith, Assistant City Manager for Public Services� <br /> Keith D. Alexander, Director of Water Management � <br /> SUBJECT: Ion-Exchange Nitrate Treatment Facility, City Project 9953, intent to award bid <br /> pending Illinois Environmental Protection Agency(IEPA) approval. <br /> SUMMARY RECOMMENDATION: Staff and the City's consultant recommends award of a <br /> contract, pending IEPA approval, in the amount of $6,224,000 to Diversified Buildings, Inc., <br /> Morton, Illinois, for construction of the ion-exchange nitrate treatment facility. <br /> BACKGROUND: The City is required, under a consent decree, to be in compliance with the 10 <br /> mg/1 maximum contaminant level for nitrates by July 1, 2002. Ion-exchange nitrate removal has <br /> been determined to be the most cost-effective, practical method for nitrate removal for the City's <br /> South Water Treatment Plant. <br /> Black & Veatch Consulting Engineers prepared plans and specifications for the project. The <br /> project was advertised for competitive bids and five bids were received and opened on Tuesday, <br /> February 6, 2001. The results (copy of bid tabulation is attached) of the letting are as follows: <br /> Compared to <br /> Engineer's Est. <br /> Bidder Bid Price Over(-Under� <br /> Engineer's Estimate $ 8,600,000 --- <br /> Diversified Buildings, Inc. $ 6,224,000 (27.63) <br /> Christy-Foltz, Inc. $ 6,296,128 (26.79) <br /> Williams Brothers Construction, Inc. $ 6,425,000 (25.29) <br /> Mid-States General and Mechanical <br /> Contracting Corp. $ 6,435,000 (25.17) <br /> Siciliano, Inc. $ 8,198,000 (4.67) <br />