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A new engineer, Plummer Associates Inc., will repackage bid documents and help the Grapevine officials find a construction manager at risk, CMAR, for improvements at its wastewater treatment plant.
Council approved up to $230,000 for the contract with Plummer Associates during the Aug. 4 meeting.
The overview
According to city documents, the project includes work on all three of the plant’s treatment trains, including:
Public Works Director Bryan Beck said a different engineer created the current designs for the project, but Plummer will repackage the design documents as part of its contract with the city. The firm will also assist city staff in selecting a construction manager at risk to oversee the project.
Why it matters
Beck said the construction manager at risk method would allow subcontractors to bid on portions of the project, which could help the city get better pricing. It will also allow the city to deny uncompetitive bids on part of the project without having to deny work for the entire thing.
City staff have bid out the project twice, in June 2024 and March 2026. Beck said both bids were uncompetitive relative to the estimated probable cost of $13.5 million.
“With two unsuccessful bid attempts and concerts about further delays or receiving another unacceptable bid, staff is recommending a new engineer to repackage the plans and deliver the CMAR method,” Beck said.
What else
The wastewater treatment improvements project will be funded through debt issued in May, Beck said.
City staff plan to bring back the construction manager at risk and guaranteed maximum price contracts at a future meeting.
