East County Booster Pump Station Third Pump Addition

Key Accomplishments

Johnston Construction Company

• JCC contracted directly with Frederick County, Maryland, with Johnston Construction Co. identified as the Contractor and Frederick County, Maryland identified as the Owner.
• The project included a pump, piping, valves, instrumentation, controls, SCADA, variable frequency drive, electrical work, and miscellaneous structural work.
• The work required JCC to provide a complete and operational third County pump within the existing East County Booster Pumping Station.
• Major work included construction of concrete pump and pipe supports, installation of new Pump No. 3, installation of piping and valves, installation of electrical and instrumentation items, electrical and control tie-ins, and functional testing of Pump No. 3.
• The work required coordination with Frederick County, the Division of Water and Sewer Utilities, the Engineer, pump equipment suppliers, VFD supplier, electrical and instrumentation trades, SCADA / controls personnel, testing personnel, and project stakeholders.
• The project required compliance with Frederick County requirements, project drawings and specifications, pump station requirements, mechanical requirements, electrical requirements, instrumentation and controls requirements, SCADA requirements, VFD requirements, concrete requirements, shutdown coordination requirements, testing requirements, O&M manual requirements, record drawing requirements, safety requirements, and closeout requirements.
• Johnston Construction Company performed work for the East County Booster Pump Station Third Pump Addition project in Frederick, Maryland. The executed contract identifies Johnston Construction Co. as the Contractor and Frederick County, Maryland as the Owner for Frederick County Contract No. 110A4A-W.
• The project was located at the East County Booster Pump Station, 5320 Public Safety Place, Frederick, Maryland. The work was performed for Frederick County, Maryland and the Frederick County Division of Water and Sewer Utilities.
• The project included installation of a third County pump within the existing East County Booster Pumping Station. The work included furnishing and installing the pump, piping, valves, instrumentation, controls, SCADA, variable frequency drive, electrical work, and miscellaneous structural work required for a complete and operational pumping system.
• JCC’s work included mobilization, project coordination, submittals, construction sequencing, pump station work planning, concrete pump and pipe supports, pump installation, piping installation, valve installation, electrical work, instrumentation work, control system coordination, SCADA coordination, VFD installation coordination, testing, startup, record drawings, O&M manuals, and closeout activities.
• The project required construction inside an existing operating booster pumping station. The specifications required JCC to coordinate the work so that the existing treatment and pumping facilities could maintain required flow and pressure and remain in service during construction.
• The sequence of construction included notifying the Owner before proceeding with work in the pumping station, constructing concrete pump and pipe supports for Pump No. 3, constructing and installing new Pump No. 3 with piping and valves, installing electrical and instrumentation items, coordinating partial shutdowns for electrical and control tie-ins, and performing Pump No. 3 functional testing.

B & R Electrical Contractors

• B & R Electrical Contractors performed electrical construction work for the East County Booster Pump Station Third Pump Addition project in Frederick, Maryland.
• BRE performed its work under subcontract to Johnston Construction Company for the electrical work associated with the Frederick County Division of Water and Sewer Utilities East County Booster Pumping Station Third Pump Addition.
• BRE’s scope included installation and wiring of the VFD furnished by JCC, conduit, wire, connections, extension of conduit from MDS to VFD, new wire between MDS, VFD, and motor, harmonic testing, electrical permit, submittal review, O&M manual review, coordination of testing services, and as-built / record drawings.
• The work included electrical requirements under Electrical General Provisions, Grounding and Bonding, Wire, Splices and Terminations, Raceways, Boxes and Cabinets, Variable Frequency Drives 18 Pulse, and Control Narratives.
• The project required field testing, including insulation resistance testing, open / close loop testing, thermographic study, and onsite harmonic testing.
• The work required coordination with Johnston Construction Company, Frederick County, the Division of Water and Sewer Utilities, the Engineer, pump equipment supplier, VFD supplier, Owner’s programmer, electrical suppliers, testing personnel, and project stakeholders.
• The project required compliance with Frederick County requirements, Division 16 and Division 17 electrical requirements, Addenda 1 and 2, BRE’s proposal, BRE’s control estimate, JCC schedule, safety requirements, submittal requirements, O&M manual requirements, record drawing requirements, electrical permit requirements, testing requirements, startup requirements, and closeout requirements.
• B & R Electrical Contractors performed electrical construction work for the East County Booster Pump Station Third Pump Addition project at 5320 Public Safety Place, Frederick, Maryland. The work supported Frederick County’s installation of a third County pump within the existing East County Booster Pumping Station.
• BRE performed the work under subcontract to Johnston Construction Company. The BRE subcontract, No. 202407SC01, was dated effective June 12, 2024, and identified B & R Electrical Contractors as the subcontractor and Johnston Construction Company as the contractor. The delivery location was Johnston Construction Company, c/o East County BPS 3rd Pump, 5320 Public Safety Place, Frederick, Maryland.
• The overall project included installation of a third County pump within the existing East County Booster Pumping Station. The work included pump installation, piping, valves, instrumentation, controls, SCADA, variable frequency drive, electrical work, miscellaneous structural work, testing, startup, record drawings, O&M manuals, and closeout.
• BRE’s work focused on the electrical construction required to support the new third pump addition. The scope included installation and wiring of the VFD furnished by JCC, conduit, wire, connections, extension of conduit from MDS to VFD, new wire between MDS, VFD, and motor, electrical permit, harmonic testing, and coordination with the Owner’s programmer for added I/O points and testing.
• The electrical work included requirements under Electrical General Provisions, Grounding and Bonding, Wire, Splices and Terminations, Raceways, Boxes and Cabinets, Variable Frequency Drives 18 Pulse, and Control Narratives. These requirements supported a complete electrical installation for the new pump equipment, VFD, controls, and related systems.
• The VFD work included installation and wiring of the VFD furnished by JCC. BRE’s scope included extending conduit from the MDS to the VFD and installing new wire between the MDS, VFD, and motor. This work supported the electrical power and control requirements for the new third pump.