Valve Rebuild / Replacement and Actuator Replacement

2026-11-03

The City of El Dorado invites qualified contractors to submit bids for the replacement of all filter control valves and the replacement of associated electronic actuators at the El Dorado Water Treatment Plant . The plant consists of five ( 5 ) filters . The scope includes valves and actuators for Surface Wash , Influent , Filter to Waste , Waste / Drain , Backwash , and Effluent systems across all filters , with specific exceptions noted below . This project aims to enhance operational durability , reliability and efficiency . All work must comply with applicable local , state , and federal regulations , including those for water treatment facilities . The selected contractor will be responsible for supplying materials , labor , and equipment necessary to complete the work . The contractor shall :  Replace all specified filter control valves  Replace all associated electronic actuators , except where noted .  Ensure all new or rebuilt components are compatible with existing systems , including integration with plant controls .  Perform testing , calibration , and commissioning of all installed components .  Provide warranties : Minimum 1 - year warranty on parts and labor ; extended warranties on preferred .  Coordinate with plant staff for access and shutdowns . Exceptions :  No actuators are required for any Effluent valves , as existing actuators are new .  The Waste / Drain valve actuator on Filter 1 is new ( Limitorque L120 model ) and does not require replacement . Valve and Actuator Requirements  General Requirements :  Valves : Must be suitable for water treatment applications ( e . g ., corrosionresistant materials such as stainless steel or ductile iron with appropriate linings ). Butterfly valves shall be Valmatic Series 2000 per AWWA C504 , or pre - approved equal . Valves shall be fully warrantied with actuator , and shall be epoxy interior and exterior . Valve seats shall be field replaceable with Tri - Loc seat design , or equal .  Actuators : Electronic type , compatible with existing control systems ( e . g ., 4 - 20 mA signal , Modbus , or similar ). Must include position feedback , torque limiting , and fail - safe features .  Sizing : As specified below ; all dimensions are nominal pipe sizes .  Quantities : Based on five ( 5 ) filters .

Kansas

2026-04-08