The Four Rivers Sanitation Authority is awarding a lump‑sum construction contract for the renovation of its Maintenance Building (Building 8) located at 3333 Kishwaukee St., Rockford, IL. The scope covers complete roof replacement, demolition and replacement of interior ceilings, removal of existing curtain‑wall and installation of a new storefront system, extensive concrete floor repairs, hydraulic‑lift removal, and a full HVAC replacement (including optional heat‑pump units). Additional work includes exterior envelope upgrades (EIFS belt‑course or painting alternates), temporary utilities, site logistics, and compliance with ADA, OSHA, and local building codes. The contract is a single‑award to Stenstrom Construction Group, with a required substantial completion date of 15 Jan 2027 and liquidated damages of $300 per day for overruns.