Replacement of Box Culvert D-121 (26-41) (Co. Engineer)

The Lancaster County Engineering Department is soliciting bids for the replacement of box culvert D‑121 on W. Middle Road (approximately 163 ft west of NW 91st St). The work includes clearing and grubbing, excavation, installation of a new concrete box culvert, steel sheet‑pile turndowns, backfill, compaction, crushed‑rock surfacing, erosion and sediment control, temporary traffic control, and post‑construction vegetative stabilization. The contractor must be pre‑qualified with NDOT or have performed similar work for the County within the past three years, and must provide all labor, equipment, materials, permits, and site control. Work is to commence on or after 04/01/2027 and is defined as a 40‑working‑day project; the County will award the contract to a single responsive bidder. Disincentive penalties of $250 per day apply for schedule overruns, and the project is sales‑tax exempt. • Location: W. Middle Rd., near NW 91st St., Lincoln, NE. • Scope: full box‑culvert replacement (excavation, concrete placement, steel sheet‑pile turndowns, backfill, road resurfacing). • Required qualifications: NDOT pre‑qualification or prior County work, experience with ≥5 similar culvert installations. • Schedule: mobilize for clearing in March 2027; construction start ≥04/01/2027; total duration ≈40 working days. • Mandatory site controls: barricades, signage, traffic detours, erosion/sediment control, utility coordination. • Payment: unit‑price items; disincentive $250/day for late completion; penalties for unprotected sites.