The Warrenton Board of Aldermen awarded the bid for their upcoming wastewater treatment plant expansion to KCI Construction Company for $16.982 million at their Dec. 17 meeting.
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The Warrenton Board of Aldermen awarded the bid for their upcoming wastewater treatment plant expansion to KCI Construction Company for $16.982 million at their Dec. 17 meeting. The bid from KCI was the lowest of the two received. The city also received a bid from McGrath and Associates for just under $19 million.
City Director of Operations Jon Struckhoff said the project is planned to expand the plant’s processing capacity from 3.2 million gallons per day to 4 million gallons per day. It will also include several changes to improve the efficiency of the plant and modernize it.
“We received two bids, so we’re looking to get that contract signed so we can get that project going, shortly after the first of the year is when they want to start,” said Struckhoff.
The other improvements to the plant will include replacing the plant’s grit chamber, the addition of two new final clarifiers and the conversion from a wet sludge to a dry sludge facility.
Grit chambers in wastewater management allow for sediments, mostly sand, to settle out of the water before it is moved on to other stages in the process. The current grit chamber used at the facility is rated for 3.2 million gallons per day. According to Struckhoff the replacement will be rated for 12 million gallons per day, to prepare for the future.
The clarifiers are one of the final steps in the wastewater treatment process and are used to divide water from any remaining sludge before the process is completed. The addition of two new clarifiers will help streamline this process, according to Struckhoff.
Finally, the conversion to a dry sludge plant as opposed to the current wet sludge system will not directly increase the capacity of the plant, but it will increase the efficiency and decrease wear and tear on equipment, said Struckhoff.
The project is being paid for in part by a $13 million bond issue that was approved by the voters in April 2023, along with $3.2 million in state funds from the Missouri Department of Natural Resources.
Struckhoff said he expects work to begin in early 2025 and the project is expected to be completed by the end of 2027.
