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Commission authorizes bids to grind large shingle pile; DNR testing and reuse remain unresolved
Summary
The commission approved seeking bids to grind a 12,000–15,000-ton shingle pile on Old Jackson Road; members discussed granule size, metal separation and the need for DNR testing because of possible asbestos or other contaminants.
The commission granted staff permission to seek bids to grind a large stockpile of asphalt shingles at Old Jackson Road, estimated at roughly 12,000–15,000 tons, and discussed processing specifications, environmental testing and potential reuse.
County staff explained the grinding specification would include granule-size requirements and metal-removal processes (magnets to remove nails). Commissioners asked whether bids should specify a quantity or bid for the whole pile; staff said the bid would cover the piles currently present and that contractors would be required to test material and remove metal as part of processing.
Several commissioners and staff noted uncertainty over whether the shingles contain asbestos or trace minerals and said the material must be tested before reuse. Staff said they were working with a DNR contact to confirm usability and that options include grinding for on-site fill (with placement limits near drains) or hauling off-site if testing requires it. Commissioners also mentioned pursuing grants to fund removal.
The board approved seeking bids and directed staff to include testing and processing requirements in bid specifications; further action will depend on DNR guidance and test results.
