LocationLibertytown, Frederick County, Maryland
MarketWater Storage and Tanks
TANK FOUNDATION, CIVIL WORK, PROCESS PIPING, MECHANICAL INSULATION, ELECTRICAL, GROUNDING, LIGHTING, AND INSTRUMENTATION SUPPORT.
Johnston Construction Company
- Johnston Construction Company performed the civil, mechanical, insulation, electrical, and instrumentation work supporting construction of a new 500,000-gallon elevated potable-water storage tank.
- JCC constructed the reinforced-concrete tank foundation and coordinated installation of the tank anchor bolts and erection-support components furnished by the tank contractor.
- Mechanical work included water piping through the tank foundation and within the pedestal, along with valves, fittings, supports, and connections required for operation of the storage tank.
- JCC performed applicable mechanical insulation work for piping and equipment included within its subcontract.
- Electrical work included underground conduit, tank lighting, grounding, service and distribution components, and electrical connections supporting the tank systems.
Concrete Services Division
- Concrete Services Division, LLC performed the forming and concrete-placement work for the foundation of the new 500,000-gallon Mayne Property Elevated Water Storage Tank.
- CSD constructed the footing, slab-on-grade, and curved-wall formwork required for the tank foundation.
- The work included concrete placement for the reinforced footing, curved foundation wall, and interior slab-on-grade.
- CSD performed screeding, floating, machine troweling, point-and-patch work, curing, and installation of concrete accessories.
- Reinforcing-steel and welded-wire-mesh placement were coordinated with Johnston Construction Company and CB&I Storage Solutions LLC.
Electrical Services Division
- Electrical Services Division, LLC performed the electrical work supporting construction of the new 500,000-gallon Mayne Property Elevated Water Storage Tank.
- ESD furnished and installed conduit, conductors, grounding, and electrical connections extending to approximately 10 feet outside the tank foundation.
- The work included lighting fixtures, switches, receptacles, and electrical devices serving the elevated tank.
- ESD furnished and installed a 30-amp NEMA 4X disconnect and completed cord-and-plug connections for the tank unit heaters.
- Two heat-tracing circuits were installed above the condensate ceiling to protect applicable piping and systems from freezing conditions.