On June 24, 2014, City staff will recommend that the Davis City Council approve a Design-Build Agreement with AECOM/ WM Lyles for the design, construction, and commissioning of the City’s new wastewater treatment plant. A copy of the staff report and Agreement is available for download at http://daviswwtp.org/documents/. Also, a printed copy is available for examination at the Pubic Counter located in City Hall, 23 Russell Blvd.
The City is constructing the improvements because the existing facility is unable to meet the water quality objectives required in our 2012 National Pollution Discharge Elimination (NPDES) Permit adopted by the Federal Environmental Protection Agency and State Central Valley Regional Water Quality Control Board. The City has performed analysis and studies to create an economically efficient method of meeting the permit requirements and maintain a low risk profile into the future. On April 19, 2011, Council adopted the Charrette Plan (developed by a panel led by UC Davis professors emeriti Drs. Tchobanoglous and Schroeder) as the preferred project and the design basis for moving forward.
Approval of the Agreement follows an eighteen month long qualifications and design competition to produce the most cost effective project that meets the City’s wastewater needs. The recommended project is consistent with the City’s adopted Charrette Plan and meets or exceeds all of the City’s requirements for quality, price, and performance. If City Council approves the Agreement, the design-build team of AECOM / WM Lyles will begin work in July 2014 and complete the treatment plant improvements in about 3 years. A flood protection levee will be added in 2018.
The contract price for the recommended Agreement is $68,957,000, about 9% less than the City’s 2012 estimate of $76,000,000. With approval of the Agreement, the total cost of all improvements at the wastewater plant will be about $90,000,000. That includes engineering, environmental, and legal costs, and approximately $5,400,000 for the rehabilitation of existing facilities. That is approximately 6% less than the City’s 2012 total project estimate of $95,000,000.
“Utilizing the design-build process has brought forth a project for consideration that achieves cost savings and provides the public with a project that will reliably meet our needs,” said councilmember Rochelle Swanson.
The current residential and commercial sewer rates that were adopted in September 2011 are adequate to cover the total project cost. Significant savings in long-term financing costs are anticipated through use of the Clean Water State Revolving Fund loan program.
For more information, please contact the City’s Project Manager, Michael Lindquist at 530-747-8287 or firstname.lastname@example.org .
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