McDowell Creek WRRF Primary Clarifier No. 4. Equipment

The City of Charlotte, North Carolina, Department of Water and Storm Water is soliciting bids through Invitation to Bid (ITB) FY26-ITB-08 for the procurement and delivery of a primary clarifier mechanism for the McDowell Creek Water Resource Recovery Facility (WRRF), specifically Primary Clarifier No. 4 Equipment. The procurement requires a complete circular clarifier mechanism designed for a 70-foot inside diameter basin with 12.7-foot peak flow water depth, rated for 3.45 million gallons per day average flow and 7 million gallons per day peak flow, along with all associated appurtenances including scraper arms, drive cage, hydraulic flocculating feedwell, rotating scum skimmer arm, equipment access platform and walkway, scum trough/beach, scum baffle and V-notch weir assembly, local control panel, and spare parts. The equipment must be constructed of 316L stainless steel and comply with wind speed design criteria of 118 mph ultimate design and specified seismic design categories, with power supply of 480 volts, 60 Hz, three-phase. Acceptable manufacturers are limited to Envirodyne, WesTech, Ovivo/Eimco Water Technologies, and Evoqua. Bidders must submit electronic bids through the Bonfire Procurement Portal by April 8, 2026, at 3:00 p.m. Eastern Time, with written questions due by March 27, 2026, at 12:00 p.m. Delivery must occur within forty weeks from contract execution to the facility located at 5300 Jim Kidd Road, Huntersville, North Carolina. Pricing must be submitted as a lump sum on an FOB Destination basis including shipping, delivery, all labor, coordination, supervision, field services, training, and spare parts, with payment structured as 10 percent upon shop drawings approval, 70 percent upon delivery, and 20 percent upon successful completion of operational acceptance testing. Contract award is anticipated in May 2026 with an effective date in June 2026, and the City Council must approve the resulting contract. The awarded vendor must provide a two-year manufacturer's warranty covering defects in materials, workmanship, and performance, with liquidated damages assessed at $500 per day for delivery delays exceeding forty weeks, and the City reserves the right to terminate the contract for default if delays extend sixty days.

The City of Charlotte requires bidders to demonstrate compliance with the Commercial Non-Discrimination Policy and maintain documentation of non-discriminatory subcontractor and supplier solicitation and selection practices, with bidders required to disclose any discrimination complaints filed or pending within the past ten years. The MWSBE Utilization Form requires bidders to disclose all minority-owned business enterprise (MBE), woman-owned business enterprise (WBE), and small business enterprise (SBE) certifications, identify all subcontractors, and calculate and report the total percentage utilization for each category, with the City recommending that bidders exhaust all efforts in identifying qualified MWSBE subcontractors. Bidders must also complete a Contractor Safety Assessment Form providing OSHA annual summary forms for the past three years, OSHA citations or violations documentation, company NAICS codes, DART incidence rates for the past three years, and certificates of insurance including workers' compensation, commercial general liability coverage of at least $1,000,000 per occurrence, and automobile and professional liability insurance as applicable. All bidders must submit three professional references from previous clients, excluding the City of Charlotte, who have received similar services. The bid must remain binding for one hundred twenty calendar days from the opening date, and the City reserves the right to award based on the lowest responsive responsible bidder, considering vendor qualifications, experience, quality, delivery, and workmanship. No specific contract award value or budget range is disclosed in the solicitation documents, though the price schedule indicates a 10 percent contingency line item to be added to the clarifier mechanism cost.