Site work and renovation of a water / sewer project in Chelmsford, Massachusetts. Completed plans call for the renovation of a water / sewer project; and for site work for a water / sewer project.

RFQ Prequalification - Riverneck Water Treatment Plant PFAS Improvements. General Contractor DCAMM Category: Sewage and Water Treatment Plants. RFQ Informational Meeting (if applicable): Not Applicable Optional Site Visit (if applicable): Not Applicable The project involves constructing a new treatment process for the removal of PFAS at the Riverneck Water Treatment Plant. The Work of this Project generally consists of but is not limited to the following: 1. PFAS Treatment Building constructed of masonry brick with a hip roof. The building will consist of four main components: a. Electrical room will consist of two electric unit heaters, motor control center, distribution panel, thermostat, lighting panel, fire alarm control panel, programmable logic center, and three backwash water pump variable frequency drives. b. Mechanical room will consist of potable water pressure regulator and water meter as well as natural gas fired water heater. c. Backwash Pump Station will consist of two vertical turbine pumps and concrete two celled supply tank. d. Process Area will consist of a depressed floor with walkway at ground elevations around two sides, three sets of twelve foot diameter lead/lag GAC pressure vessels with common manifolds, process piping, and reserved area for future ion-exchange vessels (not included in this Work). 2. Modifications to the existing Riverneck Water Treatment Plant including reorganization to include a new sodium hypochlorite feed system and reorganization/replacement of analyzers. 3. Stormwater infiltration trenches. 4. Sanitary Pump Station. 5. Yard Piping and Appurtenances. 6. Site Work. Anticipated Completion of Prequalification Evaluations: 11/30/2025 Anticipated RFP to Prequalified Bidders: 1/7/2025