Title
Resolution to Approve a Construction Contract with E.T. MacKenzie Company for the Plymouth Road and Green Road Water Main Replacement, ITB No. 4470 ($2,059,990.00)
Memorandum
Attached for your review and approval, please find a resolution that approves a construction contract between E.T. MacKenzie Company and the City of Ann Arbor for the Plymouth Road and Green Road Water Main Replacement Project.
Budget/Fiscal Impact
The cost of this work is included in the approved Water Supply System Capital Budget as part of CIP Projects UT-WS-18-15 and UT-WS-14-15.
Project Description
In August 2016 and January 2017, large water main breaks occurred within the Plymouth Road and Green Road intersection. Due to the severity of these events, the integrity of the intersection has been permanently compromised. If not addressed, it is anticipated that there will be rapid pavement deterioration and the potential for the formation of sinkholes. Additionally, the water mains within the intersection remain at high risk for additional failures until they can be removed from service.
In response, the Public Works Unit expedited the design of a project to remove and replace all existing water main within the immediate vicinity of the intersection. In coordination with the water main replacement, the City will reconstruct the entire intersection to address the loss of supporting soil.
The plans and contract documents were bid through the City's Procurement Unit following standard procedures. On March 2, 2017, three bids were received for this work. A tabulation of the bids received is as follows:
Evergreen Civil, LLC. $1,984,339.30*
E.T. MacKenzie Company $2,059,990.00**
Fonson Company, Inc. $2,171,614.18
* The bid contained a mathematical error; this is the corrected value.
** Lowest responsible bid.
Although Evergreen Civil, LLC of Northville, Michigan submitted the lowest bid, City staff determined their bid to be non-responsive because Evergr...
Click here for full text