Solomons Island Headworks Pumping Station Upgrade

Johnston Construction Company

• Johnston Construction Company completed the Solomons Island Headworks Pumping Station Upgrade for Calvert County Government.
• The project included upgrades to the headworks pumping station, including temporary pumping, demolition, pumping equipment, process piping, valves, HVAC, electrical, controls, instrumentation, generator, and site rehabilitation work.
• JCC’s scope included construction coordination, temporary pumping, demolition, protection of existing facilities, excavation, backfilling, trenching, compaction, concrete, miscellaneous fabrications, painting, mechanical equipment, electrical systems, controls integration, testing, startup, and closeout.
• Major equipment and systems included multi-stage centrifugal pumps, inside process piping, inside process valves, supports and anchors, motors, terminal heat transfer units, power ventilators, ductwork, HVAC controls, electrical work, generator system, transfer switch, panelboards, PLCs, control panels, instrumentation, variable frequency drives, gas detection, and PCS programming.
• The project required maintaining operations at an existing wastewater facility while coordinating temporary pumping, equipment replacement, electrical upgrades, controls integration, testing, startup, and final turnover.