LocationMechanicsville, St. Mary's County, Maryland
MarketWater Storage and Tanks
KING KENNEDY WATER SYSTEM REPLACEMENT.
Johnston Construction Company
- Johnston Construction Company completed the King Kennedy Water System Replacement – Ground Storage Tank & Water Booster Station project for St. Mary’s County Metropolitan Commission in Mechanicsville, Maryland.
- The project replaced the existing King Kennedy water booster station with a new water system facility serving the King Kennedy Estates neighborhood.
- JCC’s scope included construction of a new precast concrete treatment / booster station building, 40,000-gallon glass-lined bolted steel ground storage tank, 6,000-gallon hydropneumatic tank, two in-line water booster pumps, chlorine chemical feed system, process piping, valves, fittings, appurtenances, electrical systems, controls, instrumentation, and site improvements.
- The work included demolition of the existing King Kennedy Water Booster Station and construction of new facilities while maintaining the existing water system in operation.
- Major utility work included installation of 8-inch and 4-inch mechanical joint ductile iron pipe, fittings, valves, hydrant assemblies, temporary water service provisions, testing, chlorination, disinfection, and connection to the existing King Kennedy Water System.
Concrete Services Division
- Concrete Services Division, LLC performed the specialized structural and site concrete work associated with the King Kennedy Water System Replacement – Ground Storage Tank & Water Booster Station in Mechanicsville, Maryland.
- CSD furnished the labor, form materials, tools, finishing supplies, curing materials, concrete accessories, reinforcing-steel placement labor, and other resources required for its assigned concrete package.
- CSD’s work included concrete construction for the new booster-station building slab, hydropneumatic tank supports, pump pads, generator pad, building entrance pads, antenna foundation, equipment pads, and valve-box pads.
- The concrete package incorporated footing forms, slab-on-grade forms, column forms, footing placement, slab placement, column placement, floating and screeding, machine-trowel finishing, pointing and patching, floor hardener, curing, concrete accessories, reinforcing-steel placement, and equipment-pad construction.
- CSD’s subcontract included approximately 47 cubic yards of concrete-related work, including approximately 40.78 cubic yards of slab-on-grade placement, 3.46 cubic yards of footing placement, and 2.93 cubic yards of column placement.