Archived
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Location
Lexington, Kentucky
Start Date
6-5-2026 10:30 AM
End Date
6-5-2026 11:00 AM
Description
This presentation is focused on the TVA Gallatin Ash Pond Complex Closure. The project team embarked on a major coal ash pond remediation effort in 2023, targeting a 450-acre site with operations expected to continue over a 15-year period. The long-term and massive scope of this dig and haul project required the design and construction of extensive supporting infrastructure, including haul roads suitable for large earthmoving equipment, major pipelines for process water rerouting, and a robust water treatment facility. Key components of the work include maintaining slope stability, conducting comprehensive air quality monitoring, and ensuring high standards for coal ash placement and compaction in a lined landfill. To minimize groundwater impact and meet evolving environmental regulations, large-scale dewatering operations and advanced water treatment processes are central to the approach. Many of these engineered systems would not have been feasible on projects of shorter duration or lesser scale. The project’s complexity demonstrates the importance of detailed planning, multidisciplinary coordination, and innovative solutions to address environmental and operational challenges over an extended timeframe.
Document Type
Presentation
Archival?
Archival
Included in
Energy Systems Commons, Environmental Indicators and Impact Assessment Commons, Environmental Monitoring Commons, Mining Engineering Commons, Oil, Gas, and Energy Commons, Structural Materials Commons, Sustainability Commons
Fifteen Years, 450 Acres: Inside the TVA Gallatin Ash Pond Closure
Lexington, Kentucky
This presentation is focused on the TVA Gallatin Ash Pond Complex Closure. The project team embarked on a major coal ash pond remediation effort in 2023, targeting a 450-acre site with operations expected to continue over a 15-year period. The long-term and massive scope of this dig and haul project required the design and construction of extensive supporting infrastructure, including haul roads suitable for large earthmoving equipment, major pipelines for process water rerouting, and a robust water treatment facility. Key components of the work include maintaining slope stability, conducting comprehensive air quality monitoring, and ensuring high standards for coal ash placement and compaction in a lined landfill. To minimize groundwater impact and meet evolving environmental regulations, large-scale dewatering operations and advanced water treatment processes are central to the approach. Many of these engineered systems would not have been feasible on projects of shorter duration or lesser scale. The project’s complexity demonstrates the importance of detailed planning, multidisciplinary coordination, and innovative solutions to address environmental and operational challenges over an extended timeframe.
