Case Study: AEP – Baileysville-Bolt 138kV Line Rebuild – Structure 75 and 76

Slope Subsidence Repair at Structure 75 and 76

  • Customer: EPC Services Company

  • Location: Glen Rogers, WV

  • Date: 7/2022 – 9/2022

  • Clear existing trees and brush from sites. Install all necessary BMP controls. Remove and export topsoil and vegetation. Excavate, remove, and export subsided soil, buried trees and brush/soil mixture. Excavate to suitable bedrock to establish bonding bench. Grade bonding benches and install fill underdrains. Import and replace fill in 6” lifts to 95% standard compaction proctor with Stratagrid layers back to structure pads elevation with composite drainage board on back slopes. Install aggregate core drains in replaced fill. Excavate anchor trenches and face entire slope faces with 6” Presto Products Geoweb 3D Slope protection and reinforcement. Backfill webbing cells with screened topsoil. Hydroseed slopes and final stabilize with Triple layer coconut Turf Reinforcement Matting.