LocationOlney, Montgomery County, Maryland
MarketWater Storage and Tanks
TANK FOUNDATION, CIVIL & MECHANICAL WORK, WATER MAIN, VALVE VAULTS, DRAINAGE, SITEWORK & SITE RESTORATION.
Johnston Construction Company
- Performed the comprehensive civil and mechanical construction package supporting WSSC's Olney Standpipe Replacement project.
- Supported construction of a new 1.5-million-gallon elevated water storage tank designed with a high-capacity water elevation of 660 feet above mean sea level and a 40-foot operating range. The overall WSSC project included the new tank, sitework, inlet and outlet piping, valves, vaults, access road, drainage and demolition of the existing standpipe.
- Furnished the required construction layout and surveying necessary to establish JCC's civil and mechanical work.
- Installed and maintained the required erosion and sediment-control measures, including coordination with the appropriate regulatory agencies throughout the construction period.
- Performed access-road demolition, clearing, grading and general site preparation associated with construction of the replacement tank.
Concrete Services Division
- Performed the specialized structural concrete package supporting construction of the Olney replacement elevated water storage facility.
- Provided forming and concrete-placement work for the tank foundation, derrick slab, tank slab and Altitude Valve Vault, including the vault slab, walls, top slab, pipe pads and fill concrete.
- Supported WSSC's larger Olney Standpipe Replacement project, which included construction of a new 1.5-million-gallon elevated water storage tank, associated piping, valves, vaults, access improvements and eventual demolition of the existing standpipe.
- Mobilized and demobilized the concrete construction equipment, tools and supplies required to execute CSD's work.
- Provided the required form-material rental and form lumber for CSD's concrete operations.