Long Drive Booster Pump Station

Key Accomplishments

Johnston Construction Company

• Furnished and installed a new prefabricated booster-pump station containing three pumping units and the associated mechanical, electrical, and control systems.
• Constructed the station foundation and coordinated the setting, anchorage, and connection of the prefabricated pumping facility.
• Installed the suction and discharge piping, valves, fittings, supports, pressure instrumentation, and appurtenances required for the complete pumping system.
• Connected the new booster station to the City’s existing water-distribution system.
• Installed yard piping, water-main valves, restrained fittings, valve boxes, and associated underground utility components.
• Coordinated water-service shutdowns, tapping operations, pressure testing, leakage testing, flushing, disinfection, and return to service.
• Furnished and installed variable-frequency drives and automatic controls to regulate pump operation based on system pressure and water demand.
• Provided suction- and discharge-pressure monitoring with adjustable alarm and shutdown setpoints to protect the pumps and distribution system.
• Programmed automatic pump alternation and transfer of operation to the next available pump in the event of equipment failure.
• Installed electrical service equipment, power distribution, control panels, raceways, conductors, grounding, and equipment connections for the booster station.
• Furnished and installed a diesel-engine-driven standby generator to maintain station operation during interruptions of normal electrical power.
• Coordinated generator controls, starting equipment, weather-protective enclosure, fuel system, electrical connections, testing, and startup.

Concrete Services Division

• Concrete Services Division, LLC performed the concrete forming, placement, finishing, curing, and accessory work associated with construction of the Long Drive Booster Pump Station.
• Furnished the labor, form materials, tools, equipment, supplies, and supervision required for the concrete work included in CSD’s subcontract.
• Mobilized and demobilized concrete-forming equipment, tools, materials, and supplies to and from the project site.
• Furnished and installed approximately 516.63 square feet of footing formwork.
• Furnished and installed approximately 225.21 square feet of slab-on-grade formwork.
• Furnished and installed approximately 30 square feet of column formwork.
• Furnished and installed approximately 30.83 square feet of bulkhead formwork.
• Furnished and installed approximately 73.42 square feet of concrete boxout formwork.
• Coordinated concrete foundation penetrations, electrical conduit stub-ups, process-piping openings, and other embedded items with Johnston Construction Company and the project trades.
• Placed approximately 48.31 cubic yards of slab-on-grade concrete.
• Placed approximately 0.42 cubic yards of column concrete.
• Floated and screeded approximately 925.97 square feet of concrete surfaces.
• Performed pointing and patching on approximately 30 square feet of completed concrete surfaces.
• Provided curing labor and materials for approximately 1,802.06 square feet of concrete.

B & R Electrical Contractors

• B & R Electrical Contractors, Inc. performed the site and equipment electrical work associated with construction of the Long Drive Booster Pump Station.
• Furnished labor, materials, tools, and supervision for the electrical work identified in the project plans, specifications, Addendum No. 1, and BRE’s proposal.
• Installed electrical conduit, conductors, boxes, devices, and equipment connections required for the portions of the booster-station electrical system assigned to BRE.
• Installed the electrical service disconnect and current-transformer cabinet serving the new booster-pump facility.
• Coordinated the service entrance location and completed the required building penetration and sleeve before installation of the exterior masonry.
• Installed underground electrical raceways serving the utility transformer, standby generator, and antenna pad.
• Performed excavation, bedding, conduit installation, backfilling, and compaction for the electrical ductbank and direct-burial raceway systems within BRE’s scope.
• Installed two additional 4-inch PVC conduits, approximately 150 linear feet each, for the utility company’s primary electrical service.
• Installed the additional primary-service conduits as direct-burial raceways without concrete encasement.
• Installed Schedule 40 PVC conduit for exposed and underground electrical raceways, together with galvanized rigid-steel nipples through the concrete slab where required.
• Furnished and installed power conductors and control wiring for the electrical systems assigned to BRE.
• Completed limited electrical connections among the standby generator, automatic transfer switch, RTU panel, and electrical service.
• Installed grounding for the booster-station building, electrical service, and antenna system.
• Installed grounding electrodes at the building corners and coordinated grounding and bonding with the service and equipment.