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t 10h1ER L. <br /> CHASTAIN <br /> & ASSOCIATES, LLP sNCounhyClub Road 217-422-8544 <br /> CONSULTING ENGINEERS DECATUR.ILLINOIS62.521 FAX:217422-0398 <br /> April 10, 2012 <br /> City of Decatur <br /> 1 Gary K. Anderson Plaza <br /> Decatur, IL 62523 <br /> Attention: Mr. Matt Newell <br /> Re: Bid Approval <br /> Sec. 11-00127-00-BR <br /> Garfield Ave (FAU 7369) & Country Club Rd. (CH 26) Bridge Repairs <br /> City of Decatur <br /> HLC Job # 5729 <br /> Dear Sir: <br /> We have received the bids which were submitted to the City on Thursday, April 5. The <br /> two competingbidders were Halverson Construction and Illinois Valle Paving, with <br /> Y 9 <br /> Halverson Construction submitting the low bid at $48,105.00. The low bid was 58% over <br /> the Engineer's estimate of$30,375.00. Due to the small quantities of this repair project, <br /> it is very difficult for the Engineer to determine accurate unit prices. As a comparison the <br /> high bid was 156% over the Engineer's estimate at $77,710.90, revealing a very large <br /> difference between the two bids. The main pay item that deviated from the Engineers <br /> estimate was Structural Steel Repair, which accounted for the entire 58% overage. <br /> There are factors that can complicate the Engineer's estimate which include <br /> sandblasting the contact areas where new steel repair plates are to be installed, as well <br /> as removing, shortening, and reinstalling the diaphragms and guardrail posts. We <br /> recommend approval of Halverson Construction's bid of $48,105.00 rather than <br /> rebidding the project and risk receiving even higher bids. <br /> Sincerely, <br /> Homer L. Chastain and Associates, LLP <br /> f <br /> Jeremy Buening, P.E., S.E. <br /> Structural Project Engineer <br /> Enclosures <br /> cc:file <br />