attachment-1-rfp-des-2025-14.pdf

This Request for Proposal (RFP) document is issued by the New Hampshire Department of Environmental Services (NHDES) Winnipesaukee River Basin Program for comprehensive cleaning services at the Franklin Wastewater Treatment Facility located at 528 River Street, Franklin, NH. The project requires a qualified contractor to clean, remove, dewater, and dispose of residual solids from Secondary Digester Number 1 using centrifuges to achieve a minimum of 24% cake solids and 95% solids recovery. The work must be completed between April 1, 2025, and May 16, 2025, with operations strictly limited to 8 hours per day (7:00am-3:00pm), Monday through Friday. Proposals must be submitted by 3:00pm on March 15, 2025. The RFP encourages prospective bidders to arrange site visits and evaluate samples prior to submission to ensure thorough understanding of project requirements.

Evaluation will be based primarily on lowest total cost from a qualified firm meeting all technical and safety requirements. The contractor must provide their own power source, equipment, polymer, and watertight containers for material disposal, with all materials disposed in accordance with federal, state, and local regulations. The contractor must demonstrate compliance with confined space regulations and stormwater management practices. Payment will be structured in three phases: 10% upon mobilization, 80% following satisfactory dewatering and verified proper disposal, and 10% after completed cleanup and demobilization. Contractors must be registered with the NH Secretary of State's Office and maintain specified insurance coverage. No explicit set-aside designations or organizational participation restrictions are specified in the procurement.