Cheatham County Generation Site EIS Scoping Report
TVA would implement minimization and mitigation measures in relation to resources potentially affected by the project. These would be developed with consideration to BMPs, permit requirements, and adherence to erosion and sediment control plans. TVA would utilize standard BMPs to minimize erosion during construction, operation, and maintenance activities. These BMPs are described in A Guide for Environmental Protection and BMPS for TVA Construction and Maintenance Activities – Revision 4 - 2022 (TVA’s BMP Manual), the Tennessee Erosion and Sediment Control Handbook, Fourth Edition, and the Tennessee Erosion and Sediment Control Handbook In association with the potential construction of an action alternative, TVA would employ standard practices and specific routine measures to avoid and minimize impacts to resources. During development of the EIS, TVA would consider implementation of the following minimization and mitigation measures in relation to potentially affected resources: Soils Install silt fence along the perimeter of vegetation-cleared areas, implement other soil stabilization and vegetation management measures to reduce the potential for soil erosion during site operations, and try to balance cut-and-fill quantities to alleviate the transportation of soils offsite during construction. Water Resources Comply with the terms of the erosion and sediment control plans prepared as part of the NPDES permitting process; use BMPs for controlling soil erosion and runoff, such as the use of buffer zones surrounding perennial and intermittent streams and wetlands and the installation of erosion control silt fences and sediment traps; and implement other routine BMPs as necessary, such as non-mechanical tree removal within surface water buffers, placement of silt fence and sediment traps along buffer edges, selective herbicide treatment to restrict application near receiving water features, and proper vehicle maintenance to reduce the potential for adverse impacts to groundwater. Biological Resources Revegetate with native and/or noninvasive vegetation, including species known to attract pollinator species, to reintroduce habitat, reduce erosion, and limit the spread of invasive species. Follow regulatory requirements and implement best practices regarding biological resources and pollinator species: use of timer- and/or motion-activated downward facing lighting to limit attracting wildlife, particularly migratory birds and bats; instruct personnel on wildlife resource protection measures, including applicable federal and state laws such as those that prohibit animal disturbance, collection, or removal, the importance of protecting wildlife resources, and avoiding plant disturbance; and avoid direct impacts to migratory birds and tree roosting bats by clearing trees and shrubs, as practicable, in winter months outside of nesting season and summer roosting season, respectively. Initial site surveys completed of the project parcel in Cheatham County confirmed that there were no federally listed bats located on the property that would require restrictions on the timing of tree clearly activities. Waste Management Develop and implement a variety of plans and programs to ensure safe handling, storage, and use of hazardous materials.
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