The Washington Suburban Sanitary Commission (WSSC) in Maryland is issuing an RFP for progressive design‑build services to design, construct, and operate a PFAS pilot treatment plant at the Potomac Water Filtration Plant. The effort will be delivered under a collaborative delivery model (progressive design‑build) and must meet stringent technical, operational, and regulatory requirements, including PFAS removal, manganese, DBPs, taste & odor, algal toxins, and other contaminants. Minimum qualifications require prior experience as Engineer of Record on two collaborative projects, a prime contractor role on two collaborative projects, and at least one completed pilot at a water or wastewater facility after January 2020. The scope includes conceptual design, detailed engineering, procurement of specialty equipment, construction, commissioning, operation, data collection, analysis, and hand‑over. Evaluation will weigh project approach, technical experience, key personnel, progressive design‑build experience, and price. The solicitation includes a non‑mandatory pre‑bid meeting/site visit on 21 Oct 2026, a question deadline on 26 Oct 2026, and final bid submission by 2 pm on 1 Dec 2026.
• Location: Potomac Water Filtration Plant, 12200 River Road, Potomac, MD
• Contract type: Progressive design‑build (design, construction, operation)
• Required experience: EOR on 2 collaborative projects, prime on 2 collaborative projects, at least one pilot project post‑2020
• Key deliverables: PFAS pilot plant design, equipment procurement, construction, commissioning, operational data collection, reporting, and training
• Evaluation weighting: 30 % approach, 20 % technical experience, 30 % key team, 15 % design‑build experience, 5 % price
• Mandatory submissions via WSSC e‑procurement portal; security clearance required for plan access.