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City moves to add dechlorination at sewer plant; low bid $437,664
Summary
City staff told the committee that an EPA permit renewal now requires removal of residual chlorine before discharge to Salt Creek, and recommended moving a $437,664 design-and-construction package forward after Grundlow Buildings submitted the low bid.
City staff presented a permit-driven project to dechlorinate treated wastewater at the Lincoln sewer plant and recommended placing the item on the regular council agenda after reviewing five bids.
Mister Bounds, who introduced the item, said the renewal of the plant’s discharge permit now requires the city to remove residual bleach used for disinfection before water is discharged to Salt Creek. He said the project includes a new chemical building, two tie‑in lines to the discharge pipeline and an injection system that will use sodium bisulfite to neutralize chlorine.
Bounds told the committee that five bids were received and “Grundlow Buildings was the low bidder.” He said the construction and construction engineering have been budgeted and staff estimated the total project cost at $437,664. Council members asked whether references for the low bidder had been checked; Bounds said each reference listed in the bid packet was contacted and reported satisfactory outcomes on previous, sometimes larger, projects.
On salinity concerns, Bounds said sodium bisulfite is a sodium compound but the city’s permit does not include salinity limits or monitoring requirements, and staff do not expect salinity to be an issue. Bounds added that the EPA “as of this permit renewal” will not permit the plant to discharge chlorinated effluent, so the city must proceed with dechlorination to comply with the permit.
City staff recommended the item be placed on the regular agenda for formal action; the committee agreed.
The council packet lists the total estimated cost and identifies the apparent low bidder; final contract award, scope details and construction schedule will be determined during the regular agenda process.
