Thickener Replacement Drive Unit

This procurement concerns the replacement of a high‑torque drive unit on an existing Dorr‑Oliver “Densludge” thickener at the Rock River Water Reclamation District. The District seeks a complete, bolt‑in drive‑unit assembly—including motor, primary, intermediate, and final gear reducers, overload devices, and associated lubrication system—that matches the original unit’s specifications and includes a minimum ten‑year warranty on the gear/bearing assembly. The award was made to Envirodyne Systems, Inc. for a total bid price of $54,531, with delivery required within three weeks of award and field‑service start‑up support of at least eight hours. • Scope: Supply, install, and commission a direct‑replacement drive‑unit assembly for a thickener (torque ≥ 130 k ft‑lb duty, peak ≥ 440 k ft‑lb). • Warranty & Support: 10‑year warranty on gear/bearing assembly; ≥ 8 hours on‑site start‑up assistance. • Procurement Details: Sole‑source invitation (ITB #19‑214); no bid bond or performance bond required; fixed‑price award; bids closed July 11 2019 2:00 PM.