R2011-58 ACCEPTING THE BID AND AUTHORIZING CONTRACT

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March 15, 2010 - Council approved Resolution R2010-46 which authorized $77,640 in contingency for the construction of the South Elevated Water Storage Tank. The contingency was included as part of the I-EPA loan for this project. BACKGROUND: South Pressure Zone When the new elevated water storage tank on South Franklin Street Road is filled this spring, the City's water customers south of the Lake will be in a new pressure zone that will be approximately 10 pounds per square inch(psi)higher than those they currently experience. This pressure zone will improve the reliability and consistency of water pressure for this side of the City. It will also serve to increase the amount of water available for Fire Departments to use in suppressing fires. Depending on the elevation and plumbing condition of some buildings, some water pressures may exceed 80 psi which is the maximum limit for normal residential water pressures. The Illinois Plumbing Code requires a pressure reducing valve to be installed on services that exceed 80 psi to assure that the water pressure is at or below 80 psi. Buildings at or below 655 feet in elevation may exceed 80 psi. Using the elevation capabilities of the City Geographical Information System(GIS), 643 water customers were determined to be at or below the elevation of 655 feet. These residents will be notified by mail that the City's contractor will be contacting them to schedule an inspection and to install a pressure reducing valve. Since the Illinois Plumbing Code requires the installation of pressure reducing valves, it will be mandatory that customers allow access to the contractor for this work. After installation and testing, the pressure reducing valve will become the responsibility of the water customer. The project also includes funding to retain the services of the contractor to respond to pressure related concerns that may arise in the area until August 2012. Project Bid Review The project plans and specifications were prepared by Engineering Division staff. The project was advertised on March 23, and March 30, 2011, and bids were opened on April 20, 2011. The results for the letting are as follows: Compared to Engineer's Est. Bidder Bid Price Over(-Under) Burdick Plumbing& Heating Co., Inc. $355,218 0.14% King-Lar Co. $375,788 5.94% J. J. Swartz Co., David Binder Mech. $431,219 21.57% Binder Plumbing &Heating, Inc. $496,073 39.85% Engineer's Estimate $354,710 ------ Burdick Plumbing &Heating Company, Inc. provided the lowest, qualified bid. Burdick Company is a highly respected local plumbing contractor that has done work in the City for 56 years. Staff recommends that the City Council approve a contract with Burdick Plumbing & Heating Company, Inc. to perform the Pressure Reducing Valve Installation project. Page 12