LocationWhite Plains, Charles County, Maryland
MarketPump Stations
STONEHAVEN NEIGHBORHOOD PUMP STATION, EXCAVATION, SHORING, ELECTRICAL, STARTUP, AND UTILITY COORDINATION.
Johnston Construction Company
- Johnston Construction Company performed Work Agreement A for the St. Charles Communities Pumping Station 8 project in the Stonehaven Neighborhood of the Village of Wooded Glen.
- JCC’s scope included mobilization, bonds, insurance, submittals, excavation and shoring, electrical and startup work, builder’s risk insurance, and coordination with the Owner, Engineer, utility providers, and project team.
- The project included construction of a new below-grade wastewater pumping station and connection to existing force mains and utilities.
- Major work included wet well excavation with shoring, excavation dewatering, stone and mud mats below the wet well and pipe vault room slabs, generator pad preparation, and permanent support of excavation below the pipe room.
- Electrical and startup work included emergency generator, service entrance rated automatic transfer switch, pump station power and controls, conduit and wiring, lighting and receptacles, grounding, lightning protection, RVSS pump starters, and related electrical systems.
Concrete Services Division
- Concrete Services Division, LLC performed concrete placement, forming, finishing, curing, and related concrete work for the St. Charles Communities Pumping Station 8 project in Waldorf, Maryland.
- The project included concrete support for construction of a new submersible wastewater pumping station serving the Village of Wooded Glen / Stonehaven Neighborhood development.
- CSD’s scope included concrete placement management, footing formwork, slab-on-grade forming, straight wall forming, supported slab forming, special formwork, bulkhead forming, slab-on-grade placement, wall placement, fill placement, curb work, normal waterstop, reinforcing steel support, equipment pads, pipe pads, and overhang brackets.
- Major concrete work supported the pump station structure, below-grade pump station elements, wet well work, structural walls, slabs, equipment support pads, pipe support pads, and related concrete appurtenances.
- CSD furnished labor, material, tools, equipment, forming, finishing, curing, concrete accessories, reinforcing steel support, and layout coordination required to complete the concrete placement scope.
Additional project details
- JCC completed Work Agreement A for the Stonehaven Neighborhood pumping station within the Village of Wooded Glen.
- The project combined below-grade pump-station construction, electrical installation, startup, and utility coordination.