LocationPreston, Caroline County, Maryland
MarketWastewater Treatment Plants
PROCESS TREATMENT, LAGOON, PUMPING, CLARIFICATION, FILTRATION, CHEMICAL FEED, ELECTRICAL AND CONTROLS IMPROVEMENTS.
Johnston Construction Company
- Served as Prime Contractor for a comprehensive modernization of the Town of Preston Wastewater Treatment Plant.
- Managed construction and renovation of wastewater-treatment buildings, process tanks, lagoons, process piping and associated infrastructure.
- Performed demolition and site modifications required to accommodate the new treatment systems.
- Constructed a new control building supporting the upgraded plant operations.
- Constructed a new influent screening building incorporating below-grade concrete process structures.
Concrete Services Division
- Served as the concrete subcontractor to Johnston Construction Company for the Preston Wastewater Treatment Plant Upgrade.
- Furnished labor, tools, equipment and supervision for extensive concrete forming, reinforcing, placement and finishing work throughout the treatment facility.
- Performed concrete work associated with the Lagoon No. 1 overflow area, including a concrete pad, yard-hydrant pads and valve-box pads.
- Constructed concrete elements at the influent pump station, including the suction separation wall and associated fillets.
- Completed concrete work for the aerated lagoon, including liner-trench grout, spillway concrete and aerator deadmen.
B & R Electrical Contractors
- Performed the major electrical construction scope associated with the comprehensive Preston Wastewater Treatment Plant modernization.
- Furnished the labor, materials, tools, equipment and supervision required for BRE's electrical work.
- Installed conduit, conductors and electrical connections for both power and control systems shown on the project electrical drawings.
- Furnished and installed major electrical distribution equipment serving the new Influent Screen Building.
- Provided the Screen Building's main electrical distribution components, including a 200-amp main breaker.