LocationNew Cumberland, Cumberland County, Pennsylvania
MarketWastewater Treatment Plants
FEDERAL WASTEWATER TREATMENT PLANT REPLACEMENT, SBR PROCESS, UV DISINFECTION, PICS CONTROLS & SITE INFRASTRUCTURE.
Johnston Construction Company
- Johnston Construction Company served as Prime Contractor for the comprehensive replacement of the wastewater treatment plant serving the Defense Distribution Center Susquehanna in New Cumberland, Pennsylvania.
- Maintained the existing wastewater treatment plant in service until the replacement facilities were operational and certified, requiring carefully sequenced construction, temporary systems and coordinated process cutovers.
- Demolished major existing treatment facilities, including the influent screening system, Oxigest unit, tertiary filters, chlorine contact tank, Filter Building, Chlorine Building, Control Building and Alum Storage Building.
- Constructed a new Screening Building and influent screening system, Distribution Chamber, flow-meter vault and associated process infrastructure.
- Constructed two new Sequencing Batch Reactors (SBRs) and a new aerated sludge holding tank as major components of the replacement biological-treatment process.
Concrete Services Division
- Concrete Services Division, LLC served as the concrete subcontractor to Johnston Construction Company for the New Cumberland Wastewater Treatment Plant replacement at the Defense Distribution Center Susquehanna.
- CSD's subcontract encompassed major structural and site-concrete work associated with the replacement wastewater treatment facilities, with the original subcontract pricing schedule totaling approximately 1,291 cubic yards of concrete-related work.
- Performed concrete forming, placement, finishing and curing for major wastewater-treatment structures including the Control Building, Screening Building, Chemical and Blower Building, Sequencing Batch Reactors, UV Channel, Post-Aeration Tank, Plant Water Vault, Equalization Pump Station pipe supports and Distribution Chamber.
- Provided forming operations including footing forms, slab-on-grade forms, straight-wall forms, column forms, suspended-slab forms, bulkheads and special forming required for the plant structures.
- Installed and stripped concrete formwork and performed concrete placement labor for footings, slabs-on-grade, walls, columns and suspended slabs throughout the treatment-plant construction.
B & R Electrical Contractors
- B & R Electrical Contractors, Inc. performed the major electrical construction package associated with Johnston Construction Company’s replacement of the New Cumberland wastewater treatment plant at the Defense Distribution Center Susquehanna.
- Furnished the labor, materials, tools and electrical installation required for the new wastewater-treatment facilities under a federal U.S. Army Corps of Engineers project.
- Installed extensive conduit, power conductors, control wiring and electrical connections serving treatment-process equipment, buildings and supporting infrastructure.
- Furnished and installed switches, receptacles, panelboards, disconnect switches and electrical distribution equipment throughout the replacement facility.
- Installed a 500 kVA pad-mounted transformer, together with associated medium- and low-voltage distribution components identified in the electrical subcontract.