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Board approves $286,541 authorization to buy Ellicott dredge for solids‑handling project
Summary
The board authorized purchase of an Ellicott Mudcat MC20E dredge and a 10% contingency for a total project authorization of $286,541 to support solids handling and centrifuge operations at the South Reservoir.
The Englewood Water and Sewer Board approved a contract authorization on May 12 to purchase an Ellicott Mudcat MC20E dredge for the city’s solids‑handling improvement project.
Utilities engineering supervisor Adam Marquez said the dredge will move solids from the South Reservoir to a centrifuge and that the existing dredge is "near or past the end of its useful life." Marquez described the project specifications: remote control from shore, automated travel in one direction, a minimum operating depth of 14 feet, compatible controls with the plant, installation support, testing and startup support, training and an 18‑month warranty.
Marquez reported that Ellicott Dredge Technologies submitted the best value proposal and that the base contract amount is $260,541. Staff requested a 10% contingency to cover potential installation support and tariff-related price changes, bringing total project authorization to $286,541. Marquez said staff contacted references and found successful installations at comparable water and wastewater plants, including facilities handling alum sludge like Englewood’s.
Board members asked about contingency use and differences between bidder proposals. Marquez explained contingencies could fund additional installation support or cover tariff‑driven cost increases for overseas‑sourced components. He said bids varied because the solicitation was performance‑based and allowed different technologies; the chosen unit matched the city’s depth and flow requirements and aligned with internal cost expectations.
The board approved the contract authorization by voice vote. Marquez said the city may keep the existing dredge for limited or parallel use if rehabilitation makes sense, but the older unit was about 25 years old and performing below needed rates.
