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Commissioners review excavation-addendum to allow Promontory Commerce Center sewer work with temporary surfacing, snow-removal and backstop funding
Summary
Staff described an excavation-addendum for the Promontory Commerce Center PID sewer lift/line that limits work to a defined section of 900 South, allows temporary road surfacing until May 15 with required hot-mix replacement, makes the PID responsible for snow removal before 7:30 a.m. and pothole repairs within 24 hours, and relies on PID/ARPA funds rather than an extra bond as a financial backstop.
County staff and counsel described an addendum to the excavation permit for the Promontory Commerce Center PID wastewater lift and trunk line and summarized conditions negotiated with the PID and its contractor.
Key provisions include: an exhibit limiting covered work to a segment of 900 South (from near 4100 West to 4700 West); allowance for a temporary surface (base course or similar) with the county engineer's written approval followed by mandatory replacement with hot-mix asphalt meeting county standards by May 15; PID responsibility for snow removal with a requirement that temporary-surface areas be cleared before 7:30 a.m.; a 24-hour requirement to repair reported potholes; and an indemnity clause requiring the PID to hold the county harmless for liabilities tied to the temporary surface or excavation activities.
Staff explained that, after reviewing existing PID payment and performance funds and ARPA allocations, the county would not require a separate excavation bond because sufficient funding backstops exist to complete work if the contractor leaves the project. County engineers raised concerns about groundwater, depth of trenches and possible utility conflicts and asked designers to minimize future conflicts with planned culinary-water infrastructure on 12th Street.
Why it matters: the project will cut across and disturb road surfaces near an elementary school and through established neighborhoods, so the addendum emphasizes traffic safety, timely snow removal, and a short-term surfacing approach to permit winter construction while protecting school access.
Next steps: staff said it will place the excavation-addendum before the commission for action soon and expects the PID and contractor to start the winter work sequence once permits are issued and the contract timelines are agreed.
