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Committee approves remote monitoring and engineering services to modernize landfill gas and leachate systems
Summary
Dane County staff said aging landfill leachate infrastructure and ongoing gas collection at the county landfill require a new remote monitoring control system and engineering design services; the committee recommended both agreements (Res. 3‑45 and Res. 3‑46).
The Dane County Public Works and Transportation Committee on Feb. 25 recommended approval of two resolutions to update landfill operations: Resolution 3‑45 to award an agreement for a remote monitoring and control system for landfill gas wells, and Resolution 3‑46 to award professional engineering services for leachate infrastructure upgrades.
Why it matters: County landfill operations must maintain gas collection and leachate management to meet environmental controls and to capture renewable energy. Staff said existing systems were designed decades ago and require upgrades to ensure continued operation and post‑closure monitoring.
What staff reported: Staff described a remote control system that takes measurements frequently (the transcript references measurements every 15 minutes and hourly adjustments across the well field) for approximately 87 wells, enabling more consistent gas collection and control. The prior contract had a five‑year term and had to be re‑procured; staff said a second vendor now exists and the county used a panel to review RFP responses.
On leachate infrastructure (Resolution 3‑46), staff said much of the leachate piping and related infrastructure dates to the 1980s and 1990s and is near the end of its service life. The engineering agreement will evaluate existing systems, prepare designs and put the work out to bid; staff noted the site will require post‑closure planning once the landfill is closed in roughly five years.
Committee action: Both resolutions were moved, seconded and recommended by voice vote; no opposed votes were recorded on the transcript. Staff noted the projects are necessary to maintain compliance and long‑term energy reuse at the site.
Next steps: Staff will proceed with procurement/contracting for the remote monitoring system and begin engineering design work for leachate improvements; the engineering work will feed subsequent construction bids and schedules.
