LocationWaynesboro, Franklin County, Pennsylvania
MarketWastewater Treatment Plants
SEQUENCING BATCH REACTOR VALVES, ACTUATORS, DECANTING MECHANISMS, SLUDGE PUMPS, PROCESS PIPING, BAFFLE WALLS, CONTROLS, TEMPORARY BYPASS PUMPING, TANK CLEANING, GRIT REMOVAL, TESTING, AND STARTUP.
Johnston Construction Company
- Johnston Construction Company served as the prime contractor for the replacement and modification of critical process equipment within two existing sequencing batch reactor tanks.
- JCC removed and replaced electrically actuated influent, decant, and air-system valves serving the wastewater-treatment process.
- The work included replacement of decanting mechanisms, sludge-wasting pumps, process piping, electrical controls, disconnect switches, and junction boxes.
- JCC installed new manual isolation valves on the SBR influent and decant piping to improve future operational control and maintenance access.
- The company coordinated the rehabilitation of one SBR tank at a time so the remaining tank could continue treating wastewater during construction.
B & R Electrical Contractors
- B & R Electrical Contractors performed the electrical modifications supporting the rehabilitation of two existing sequencing batch reactor tanks at the Washington Township wastewater-treatment plant.
- BRE disconnected existing electrical equipment and reconnected the replacement decanting mechanisms, motor-operated valves, electrically actuated plug valves, and associated process equipment.
- The company extended existing conduits and field wiring where required to accommodate the replacement equipment.
- BRE furnished and installed ten NEMA 4X disconnect switches suitable for the wastewater-treatment environment.
- The disconnect installation included four units serving the decanting mechanisms, four units serving motor-operated valves, and two units serving electrically actuated plug valves.