Coweta, GA The intake structure is constructed within the Chattahoochee River utilizing coffer cell methodology to manage river conditions during construction. Work includes installation of passive intake screens within the structure, slide gates, bulkhead frames, and connecting piping, along with electrical interconnections. Final grade and riverbank armoring protect the completed structure from erosion and ensure long-term stability.
The pump station provides space for four vertical turbine pumps, with shoring systems managing the required excavation depths and groundwater conditions. Installation includes the vertical turbine pumps, slide gates, connecting piping, valves, and various appurtenances. Electrical systems feature service equipment, power distribution, variable frequency drives (VFDs), and controls for efficient pump operation. Site improvements include paving, grading, drainage systems, yard piping, and fencing to complete the facility.
Project execution required continuous management of challenging river conditions and weather impacts. Constant monitoring of river levels and storm forecasts was essential to prevent flooding of active construction areas. Multiple hurricanes impacted the project timeline, requiring persistent dewatering operations at both the wet well and intake structure locations due to high water table conditions adjacent to the river. These dynamic site conditions demanded adaptive construction sequencing and robust dewatering systems to maintain safe, dry working conditions throughout project delivery.
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