Awarded vendors
- Williams Brothers Construction Inc. upon IEPA approval
Description
The Four Rivers Sanitation Authority is procuring a design‑build, fixed‑price contract to deliver a new Aerobic Granular Sludge (AGS) treatment system (Phase I) for its Rockford wastewater‑treatment plant. The scope includes engineering, supply, installation, testing, and commissioning of four concrete AGS reactors, high‑speed gearless turbo blowers, sub‑mersible pumps, fine‑bubble diffuser networks, extensive instrumentation, a PLC‑based control system, and all associated civil, structural, mechanical, electrical, and instrumentation work. The contractor must also handle demolition of existing trickling filters, site grading, utility protection, and erosion‑control measures, and must meet performance guarantees for effluent quality and power consumption. The award was made to Williams Brothers Construction Inc. following a competitive sealed‑bid process.