2026 Lake Mattoon Dam Repairs

The City of Mattoon is soliciting lump sum proposals for the 2026 Lake Mattoon Dam Repairs, specifically focusing on patching and PCPC pattern work for the dam chute. The scope includes the installation of patches in the bottom of the chute, such as the East Side Patch north of the baffle piers, utilizing #6 reinforcement bars embedded at 12 inch centers. All work must be 100 percent completed within 30 working days of the contract commencement date, with liquidated damages of 750 dollars per calendar day assessed for any delays beyond this timeline. Eligible bidders must attend a mandatory onsite pre-bid meeting on September 23, 2026, at 10:00 a.m. Sealed proposals labeled 2026 Lake Mattoon Dam Repairs must be submitted to the City Clerk's office by 11:00 a.m. on September 30, 2026. Requirements for the successful contractor include providing performance and payment bonds, maintaining automotive liability insurance of 1 million dollars, and adhering to the Illinois Prevailing Wage Act for Coles County. Additionally, the contractor must self-perform at least 25 percent of the work and submit weekly certified payrolls. Progress payments will be made monthly, subject to a 10 percent retainage until final acceptance of the work.