Severn Run Sewage Pumping Station – Wet Well Expansion

LocationSevern, Anne Arundel County, Maryland

MarketPump Stations

NEW WET WELL, MECHANICAL, STRUCTURAL, AND PIPING IMPROVEMENTS.

Johnston Construction Company

Johnston Construction Company completed the Severn Run Sewage Pumping Station Upgrade for Anne Arundel County Department of Public Works.
The project included mechanical, electrical, and structural modifications associated with wet well expansion at the existing Severn Run Sewage Pumping Station.
JCC’s scope included construction coordination, demolition, excavation, shoring, dewatering, bypass pumping, piping, grinder replacement, motorized jib crane installation, aluminum covers, wet well supply fan, site restoration, startup, testing, training, and closeout.
Major work included construction of a new rectangular cast-in-place concrete wet well expansion and associated mechanical, piping, electrical, instrumentation, and structural improvements.
The project required coordination with Anne Arundel County operations to maintain pumping station service, perform bypass pumping, protect existing utilities, and complete work within the active station site.

Concrete Services Division, LLC performed concrete forming and concrete placement work for the Severn Run Sewage Pumping Station Wet Well Expansion project in Severn, Maryland.
The project included concrete support for the expansion and modification of the existing Severn Run Sewage Pumping Station wet well.
CSD’s scope included concrete forming, concrete placement, finishing, curing, structural concrete support, reinforcing steel support, dowels, small tools, form slabs on grade, form straight walls, form unsupported slab, place slab on grade, place wall concrete, place supported slab, point and patch, curb work, and associated concrete coordination.
Major concrete work included the west wet well expansion slab, west wet well expansion perimeter walls, west wet well expansion channel bottom wall, wet well expansion channel bottom, wet well expansion top slab, and miscellaneous concrete items.
CSD furnished labor, material, tools, and equipment required for concrete forming and placement in accordance with the contract documents and project specifications.

B & R Electrical Contractors, Inc. performed electrical work for the Severn Run Sewage Pumping Station Wet Well Expansion project in Severn, Maryland.
The project included electrical support for the expansion and modification of the existing Severn Run Sewage Pumping Station wet well.
BRE’s scope included electrical demolition, conduit, wiring, electrical connections, circuit breaker installation, wet well supply fan control panel work, gas detection power, hoist power, grinder disconnect work, RTU control and alarm connections, testing coordination, as-built drawings, and project closeout support.
Major electrical work included demolition of the existing wet well supply fan control panel and furnishing and installing new conduit, wire, and electrical connections for the wet well expansion improvements.
BRE provided a 480V, 3-phase circuit breaker from the existing Power-Line Q switchboard to feed the new grinder control panel.