R96-111 ACCEPTING BID AND AUTHORIZING CONTRACT (Street Reconstruction)

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' � • These older curbed local residential streets are a constant source of citizen complaints due to their poor condition, which in most cases precludes routine maintenance practices from being cost effective. The City has performed limited maintenance work as a temporary relief to roadway users. The Stone Street pilot project is the reconstruction of an older curbed local residential street using a soil-cement treated base process. Two sample sections will be constructed. The basic difference between the two sections will be the thickness of the treated base. These sections will be evaluated for their relative effectiveness, ease of construction and for future use on other City streets. The work will involve the removal of existing material to lower the street grade so that after the final pavin�the street surface is appro�cimately 2 to 4 inches below its present grade. Stone Street was selected from appro}umately half a dozen candidate streets. Selection was based on its poor condition rating by the City's Pavement Management System (having an average Pavement Quality Index value of 2.6; 10 being the best condition) and complaints from the public. Another consideration was the use of a representative street section to assess the methods and applicability to other City streets in regard to impacts and control of disruptions to local residents and traffic. An important matter associated with the Stone Street project relates to the disruption to residents and local traffic. This work is essentially building a new street and will result in the street having to be closed to all traffic for up to a week. Residents will be inconvenienced and will not have direct access to their driveways while the street is closed. Staff will be working with the contractor to keep the residents informed of the project's progress and to make arrangements for residents having special needs. The closures will be held to a minimum but will be unavoidable. It is expected that complaints from affected residents will result. The project specifications for the reconstruction of Stone Street were prepared by the Engineering Division based on recommendations from SKS Engineers, Inc. after they performed an investigation of the existing material in the street. The project was advertised and bids were received and opened on August 26, 1996, for this project. The results of the letting are as follows: Compared to Engineer's Est. Bidder Bid Price Over(-Under) En�ineer's Estimate $ 211,869.00 --- Dunn Company $ 196,787.75 (7.12) We recommend award of the contract to the low bidder, Dunn Company, at their low bid price of $196,787.75. This recommendation of award, based on the receipt of one bid, is considered reasonable in this case given the historic number of contractors submitting bids for street construction type work in the City of Decatur and the desire to proceed with this project for the general benefit of the public. City staff will be available to answer any questions that the Council may have at the meeting.