Dewatering and Cleaning of Process Tanks Service

Charlotte Water is seeking proposals for dewatering and cleaning services of Wastewater Treatment Plant (WWTP) Digesters located in Mecklenburg County, North Carolina. The primary objective is to remove accumulated trash and grit from critical infrastructure digesters that provide environmental stabilization of solids prior to final disposal. The comprehensive service requirements include mobilization, onsite dewatering operations, equipment management, transportation, and disposal of sludge and residuals, with an estimated project scope of 200 dry tons of dewatering and 1,200 wet tons of transportation and disposal. A non-mandatory pre-proposal conference and site visit is scheduled for November 18, 2025, at 11:00 a.m. at the McAlpine Creek Wastewater Treatment Plant, with proposal submissions due by December 18, 2025, at 2:00 p.m. The City anticipates contract award by the City Council on February 9, 2026, with services commencing on March 1, 2026, and a contract duration of 300 consecutive working days from site mobilization. Contractor qualifications include providing specialized hauling equipment, temporary piping, storage tanks, belt filter press, conveyors, and other necessary equipment, while maintaining compliance with safety standards and environmental regulations.

The procurement opportunity emphasizes the City of Charlotte's Charlotte Business INClusion (CBI) Policy, which promotes diversity and inclusion through opportunities for Minority-owned, Woman-owned, and Small Business Enterprises (MWSBEs). Contractors must complete the MWSBE Utilization Form, documenting their commitment to including City-certified Small Business Enterprises (SBE), Minority-owned Business Enterprises (MBE), and Women-owned Business Enterprises (WBE). Vendors are required to maintain specific insurance coverages, including commercial general liability, automobile liability, workers' compensation, and errors & omissions insurance. The contract mandates background checks for all employees and requires adherence to environmental management standards, including ISO 14001 certification. While specific budget ranges are not explicitly stated, the pricing structure includes a lump sum payment for general conditions and mobilization, payment per dry ton for dewatering operations, and payment per ton for transportation and disposal. Contractors will be responsible for all spill prevention, response, and reporting, with potential financial liability for any environmental incidents caused by their operations.