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Staff updates planning commission on multiple construction projects and utility work
Summary
Staff briefed the commission on grading and infrastructure work at the Boulder Ridge and IME sites, progress on the new parkway, a delayed stoplight tied to a utility conflict, reservoir grading by the water district, sand-pocket mitigation, a persistent wet spot under study, and limited funds for Westfield Park.
Staff provided a broad engineering and construction update at the Feb. 12 meeting, summarizing active grading, utility coordination and timeline items across several projects.
Darren, a staff member working with engineering projects, said the Boulder Ridge development across I-15 is moving large amounts of dirt and will likely spend months to a year in grading before roads and infrastructure appear; the developer had obtained a grading permit and, per city ordinance, may begin moving dirt before final construction plans are complete. Staff said the developer had not yet posted bond or started infrastructure construction.
Staff said IME (automation/industrial site near Anderson Junction Road) had grading permits and was meeting with its engineer; Rocky Mountain Power and the site engineer were coordinating on transformer and voltage design. At the Sapp Brothers location, UDOT completed final review of a proposed stoplight but a gas-line conflict — a gas line was placed where a traffic-signal mast arm would go — created a setback and may delay opening.
Washington County Water Conservancy District will begin grading and moving material for a reservoir liner and a 2,000,000-gallon tank; staff showed photos of vaults, transformers and pump house infrastructure already in place. Contractor Jed Palmer was named as working on the north tie-in for the parkway; temporary tie-ins and reduced speeds (proposed 35 mph for a short section) were described to ease the transition as the new parkway is connected.
A geotechnical issue described as a “sand pocket” required mitigation: crews placed large basalt rock and a high-density polymer to stabilize a sugar-sand layer discovered during excavation. Staff said UDOT and geotechnical engineers approved the mitigation.
Staff reported a wet spot near the project area and described field tests. A water line valve had been left uncapped and leaked slightly; soil testing showed no sewage contamination. The geotechnical consultant said the feature appeared to be getting smaller and staff will take weekly photos to monitor changes.
Westfield Park remains underfunded; staff said the city is seeking grants and piecemeal procurement to complete the park with limited city funds.
Staff also mentioned continuing coordination on the Firelight MPDO modification and a development agreement; planning commissioners are invited to a forthcoming work session where city attorneys will review the modification and related policies.
No formal action was taken; the update was informational.
