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Sewer plant work: parts ordered for Huber press; drum‑screen rebuild quoted at roughly $129,000
Summary
Public works reported an immediate parts purchase for a Huber dewatering press and presented a quoted rebuild for drum screens that staff said is about $129,000; staff said equipment is proprietary and multiple quotes are not available.
Mona City public works reported equipment needs at the city wastewater treatment plant and requested authority to proceed with immediate parts purchases and staged repairs.
Brent, a public‑works staff member, said crews have begun tearing down the plant’s original Huber dewatering press and obtained a parts quote of $3,009.30 to replace a worn brush inside the mechanism. “But I have the quote for the parts, and it's $3,009.30,” Brent said at the meeting, adding that the crew has started the teardown and has some original parts on hand.
For the plant’s headworks — the drum screens that separate solids — staff presented a rebuild quote for one unit and said complete replacement would be substantially more. Brent described a rebuild quote that he reported as “about $129,000” for the unit they plan to reconstruct; he also said full replacement of multiple units would be far costlier (the transcript included a higher figure staff described as a full‑replacement estimate). Brent told council the drum‑screen controls are proprietary, limiting the ability to obtain three competing bids.
Brent also reported a vendor quote of about $29,000 to replace aging smoke/heat detector/alarm devices across plant facilities; he described frequent service calls under the older system and said replacement with the quoted system should reduce repeated service calls. Staff noted membrane replacements will be due in a multi‑year schedule and that those purchases will raise operating costs when ordered in the future.
No formal council vote to appropriate funds for the larger rebuild was recorded in the meeting. Brent said the parts for the Huber press are needed immediately and crews plan to install them; staff flagged the drum‑screen rebuild as a higher‑cost project to bring back for council action or budget consideration.
Why this matters: the Huber press and drum screens are core to the plant’s ability to remove solids and dewater biosolids. Delays or equipment failure can affect operations and regulatory compliance. The proprietary nature of some equipment constrains competitive bidding and can raise costs.
Next steps: staff will proceed with the necessary Huber press parts purchase and continue evaluating options for the drum‑screen rebuild; staff indicated they will return with funding requests if a council appropriation is required.
