Marshall Street WRF Sand Filter Rehabilitation RFP

Description: Work includes to rehabilitate twelve (12) existing sand filters, associated equipment, remove and replace seven (7) kinetrol pneumatic actuator yokes on 20-inch butterfly valves (filter cells 1, 2, 7, 8, 11, and 12), flange bolts on 20-inch backwash inlet butterfly valve (filter cell 7, will only be necessary if contractor confirms the valve is not functioning), two (2) 18-inch backwash pump discharge check valves (will only be necessary if contractor tests and confirms the backwash flow rate is compromised), sodium hypochlorite pumps and associated piping.