LocationMilford, Kent County, Delaware
MarketWastewater Treatment Plants
BLOWER OPTIMIZATION EQUIPMENT INSTALLATION.
Johnston Construction Company
- Johnston Construction Company installed two Owner-furnished high-speed turbo blowers at the Kent County Regional Resource Recovery Facility.
- JCC removed two existing multistage blowers and completed the structural, mechanical, electrical, and instrumentation modifications needed for the new equipment.
- The project included new low-pressure process-air piping, butterfly valves, supports, insulation, identification, and connections to the existing aeration headers.
- JCC furnished and operated a complete temporary backup blower system to maintain uninterrupted aeration while the existing equipment was taken out of service.
- Construction was carefully sequenced so the wastewater-treatment plant remained operational and continued meeting its required discharge limits.
Concrete Services Division
- Concrete Services Division, LLC constructed the reinforced-concrete foundations and equipment pads supporting the Kent County Regional Resource Recovery Facility blower-optimization improvements.
- CSD completed concrete work for the new high-speed turbo blowers and associated electrical transformers.
- The work included slab-on-grade formwork, reinforcing-steel placement, dowels, concrete accessories, concrete placement, finishing, and curing.
- CSD’s scope was later expanded to include the foundations and structural concrete required for the facility’s standby-power system.
- The additional work included the packaged-generator foundation, equipment pad, containment walls and curbs, switchgear-building slab, door landings, platform bases, and ground-well concrete collars.
B & R Electrical Contractors
- B & R Electrical Contractors, Inc. performed the major electrical construction supporting installation of two high-speed turbo blowers at the Kent County Regional Resource Recovery Facility.
- BRE completed electrical demolition associated with the existing blower starters, transformers, motor-control equipment, fuses, and related electrical systems.
- The project included new transformers, switchgear, reduced-voltage solid-state motor controllers, conduits, conductors, boxes, devices, grounding, and equipment connections.
- BRE installed extensive power and control raceways and wiring serving the new blower equipment and its associated control systems.
- The company coordinated third-party electrical testing, including power-system studies, equipment testing, infrared inspections, grounding tests, and commissioning activities.
Additional project details
- JCC replaced two existing multistage blowers with two Owner-furnished high-speed turbo blowers at the active Kent County Regional Resource Recovery Facility, 139 Milford Neck Road.
- The installation combined equipment removal, structural modifications, process-air piping, electrical upgrades, and controls integration while maintaining continuous wastewater treatment.