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Northeast Water Reclamation Expansion
Location: Rex, GA
Northeast WRF Expansion was a $55,633,000 project for the Clayton County Water Authority. The completed work provided the Owner with a fully functioning water reclamation facility with capacity to treat a peak quantity of 25 million gallons per day and a maximum monthly average daily quantity of 10 million gallons per day. The new and upgraded facilities included: influent pump station, preliminary treatment facility, primary sedimentation tanks, biological treatment tanks, secondary clarifier, RAS/WAS pump stations, ultraviolet disinfection systems, electrical equipment buildings, chemical storage and feed facility, instrumentation and controls, electrical power and lighting, standby power generators and more improvements. Major construction features included: 1000 Auger cast Piles, 265,000 cubic yards of dirt to remove, 2.2 million tons of ductile iron pipe, 14,000 cubic yards of structural concrete, $1.5 million in miscellaneous metals, and over $13 million dollars in new process equipment.
McAlpine Creek WWMF Combine Influent Pumping Facilities
Location: Pineville, NC
The $31 million project included a new head works facility with mechanically cleaned bar screens, conveyors and screening press. Crowder also constructed a new low lift pumping facility with seven submersible sewage pumps with total capacity of 100 MGD, a new combined influent pumping facility with ten submersible sewage pumps with a total capacity of 165 MGD, and a new odor control facility. In addition, modifications to the existing grit removal, screenings, and recycle pump facilities were included in the contract.
Hominy Creek Wastewater Treatment Facility
Location: Wilson, NC
This $17 million Solids Handling Improvement project consisted of extensive modifications to the existing plant's primary sludge pump stations, waste-activated sludge pump station, and anaerobic digesters. New construction included a new aeration tank, drain pump station, and administration/lab building.
Gilder Creek, SC Wastewater Treatment Plant
On this $43 million “tight site,” Crowder had to work around an operating plant to build blower and electrical buildings, a grit facility, primary and secondary clarifiers, aeration basins, as well as solids handling structures and instrumentation and control systems.
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New Bern, NC Wastewater Treatment Plant Upgrade
Based on superior safety performance, this $18.7 million project was selected to be an OSHA Building STARR Project by the NC Department of Labor. Crowder self-performed work on 89% of the work, including biological nutrient reduction basins and electrical work for three new power zone centers with associated variable frequency drives, automatic transfer switches, generators, and controls.
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Florence, SC Pee Dee River Water Treatment Plant
Crowder constructed a $30.7 million grass roots 24 MGD automated water treatment plant with an intake and raw water pump station. This project presented many challenges including the 55’ diameter raw water pump station with a 36’ deep shaft which was excavated using a circular steel sheeting cofferdam. Two 30” and one 36” headers were bored and jacked from the pump station out to the intake structure. Sediment was controlled using surface socks and turbidity booms. Process facilities entailed a combination rapid mix, flocculation, settling and filter structure, administration building, high service pump station, and a clearwell. |