Title
A Resolution to Tentatively Award a Construction Contract for Wastewater System Improvements
Memorandum
We request your approval to tentatively award a contract to Walsh Construction Company II, LLC in the amount of $92,929,000.00 for construction of the Facilities Renovations Project (FRP) at the City's Wastewater Treatment Plant (WWTP). This action to tentatively award a construction contract is a requirement for obtaining a low interest loan from the State Revolving Fund (SRF) program administered by the Michigan Department of Environmental Quality (MDEQ) to finance construction of the FRP.
The purpose of the FRP is to construct the renovations identified in the Ann Arbor WWTP Facilities Master Plan. The WWTP Facilities Master Plan is a comprehensive, 25-year planning document that provides the basis and schedule for rehabilitation and replacement of major equipment at the WWTP. The WWTP consists of two treatment plants at a single site, the older West Plant first constructed in the 1930s and the newer East Plant constructed in the late 1970s.
The West Plant has exceeded its useful life and was taken out of service in 2006 due to its dilapidated condition. Replacement of the West Plant and its treatment capacity are necessary for the WWTP to reliably meet current and future wastewater treatment capacity requirements. Renovations to the West Plant include rehabilitating existing flow control structures, complete demolition and replacement of primary and secondary wastewater treatment equipment and systems, and construction of new buildings. In addition to the complete demolition and replacement of the West Plant, the FRP includes miscellaneous renovations and improvements throughout the facility to maintain treatment viability and reliability. Site-wide improvements include installation of a new electrical distribution system and two new emergency power generators, utilities relocation, replacement of stormwater collection system equipment and s...
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