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Polk County approves contracts and purchases to install bag opener, robots and screens at recycling facility
Summary
Polk County commissioners approved a package of contracts and equipment purchases tied to two Minnesota Pollution Control Agency grants to add a bag opener, fine screen, robots and integration work to the county—s material recovery and organics lines.
Polk County commissioners on Wednesday approved multiple contracts and equipment purchases to upgrade the county—s material recovery and organics processing lines under two MPCA grant awards.
The board approved a $499,000 integration contract, a $481,627 purchase for a Viably bag-opener system, a $128,680 fine-screen purchase, a $996,000 integration contract for additional modifications and a $550,000 purchase for two robotic pick-and-place units. Commissioners said the work will be phased to minimize downtime and to align with grant budgets and matching funds.
County staff said the projects are intended to improve recovery of glass and other recyclable materials and to allow a planned organics collection program to be processed on-site. The bag opener is designed to rip and invert bags to liberate contents; the fine screen separates glass fractions and removes grit and fines; and the robots, paired with a vision system, are intended to identify and extract targeted items (such as compostable bags or wet cardboard) from the conveyor for separate handling.
Officials said equipment lead times are long and could be affected by tariffs and global supply chains; staff told the board vendors have indicated August or September delivery windows for major pieces and asked the board to approve contracts now to lock prices and schedules.
The county also discussed market and policy drivers for the upgrades. Staff noted an expected Minnesota Extended Producer Responsibility (EPR) law that begins covering some recycling costs in 2029 and said the upgrades would align Polk County—s system with likely future program requirements and potential producer-funded streams. Staff cautioned that market conditions and the details of any future EPR implementation remain uncertain.
Commissioners said they considered the tradeoffs of purchasing major equipment directly to avoid sales tax and vendor financing fees versus having a vendor procure and install turnkey. Staff said Polk County plans to buy several large pieces directly and contract for installation, conveyors and smaller integration items.
The board heard that similar systems have been deployed elsewhere but that implementations vary; staff said Polk County selected vendors who provided site visits or demos and emphasized robustness of the robotic arms and the supplier—s experience integrating equipment into existing plants.
The board approved each contract and purchase by voice vote.
The county will proceed with installation planning that staff said is intended to keep the facility operating during most of the work; staff estimated about 10—1 weeks of on-site work for the larger back-of-house modifications, with most tie-ins scheduled over weekends or off-hours to limit service interruptions.
