Pipe Work, Guardrail Work & Ditch Grading on I90 near Wall

The contract encompasses pipe work, guardrail installation, and ditch grading along I-90 near Wall in Pennington County, South Dakota, under solicitation numbers 090W-452, 090E-452, and 000I-452, with a bid submission deadline and posting date of May 28, 2026. The South Dakota Department of Transportation is the contracting agency, and the work is classified under NAICS code 237310 for heavy and civil engineering construction. The project involves removal and replacement of 24-inch corrugated metal pipe culverts, installation of concrete pipe with flared ends, reset and removal of high-tension cable guardrail assemblies, excavation, fiber mulching, turf reinforcement mats, and erosion control wattles, all in compliance with Section 990 of the SDDOT Specifications for precise dimensional tolerances on pipe diameter, wall thickness, and joint length. Work must adhere to AASHTO M 180 for guardrails, federal standards under the Davis-Bacon Act due to the contract value exceeding $100,000, and state environmental codes, including compliance with the Clean Air Act and Federal Water Pollution Control Act. All contractors must submit weekly certified payroll reports via the Elation System and provide a performance bond valid for one year post-final acceptance. The contract imposes strict performance timelines, requiring field work completion by November 20, 2026, with no work permitted during the Sturgis Motorcycle Rally from August 7 to August 16, 2026, and a penalty of $2,000 per day for schedule violations during that window. Contractors must manage off-site waste disposal in accordance with environmental restrictions—no dumping in the public right-of-way, no disposal in wetlands, and a minimum 200-foot buffer from surface water—and reclaim all disposal sites upon project completion. Cultural resource surveys are mandatory for any unplanned earth-disturbing activities at the contractor's expense. Compliance with Title VI of the Civil Rights Act, the ADA, and environmental justice orders is required and must be extended to all subcontractors. Contractors must also affirm through notarized affidavits that no state legislator has a financial interest in the contract, that they are not listed on the EPA's violator database, and that they will report any such listing if it occurs. Bids must be submitted in sealed