The Summit County Facilities Maintenance Department seeks a qualified contractor to repair, re‑assemble, and back‑fill three concentric‑cone dry‑well manholes at the Summit County Transit Facility in Frisco, CO. The work includes demolition of existing asphalt, removal of existing concrete cones, installation of new precast concrete sections, placement of Class 6 road base, and installation of a 4‑inch hot‑mix asphalt overlay, along with required traffic control, site safety, and documentation. The contractor must provide all labor, equipment, materials, bonding, insurance, and warranties, and must complete the work between May and September 2026.
• Demolition of 10 ft × 10 ft asphalt pads and removal of existing manhole components.
• Supply and install reinforced precast concrete cone sections, joint sealants, non‑shrink grout, and back‑fill to 95 % compaction.
• Install 4‑inch Class 6 road base and 4‑inch Grade SX, PG58‑28 hot‑mix asphalt overlay, with traffic control and final compaction.
• Provide performance & payment bonds (if bid > $50k), insurance, 2‑year warranty, and retainage management.