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Numerous factors are considered during the development of a transmission line project. Explore those considerations below.
Land Use
Aesthetics
Ecology
Cultural Resources
1 Structures normally inhabited by humans or intended to be inhabited by humans on a daily or regular basis. Habitable structures include, but are not limited to: single-family and multi-family dwellings and related structures, mobile homes, apartment buildings, commercial structures, industrial structures, business structures, churches, hospitals, nursing homes, and schools.
2 One-half mile, unobstructed.
Project activities will occur between October 2025 and December 2028.
Routing Study, Environmental Assessment, and Public Meeting
File CCN/PUC Review
PUCT Approval
ROW Activities
Transmission Construction
EPE plans to file the CCN application with the PUCT in March 2027. The PUCT has six months to make a decision on the project; however, the PUCT can issue an order prior to that time. The Company will begin construction upon final approval by the PUCT. EPE anticipates that the project will be completed by April 2030.
Surveying of the proposed transmission line ROW is required to locate the centerline, the structure locations, obstacles above and below ground, and the edges of both new and existing ROW.
Once the structures have been erected, the stringing and clipping-in of conductors and shield wires will begin. Outages on existing transmission lines may be required during the conductor and shield wire installation.
Tree and shrub clearing may be needed in areas where new ROW is acquired. If a SWPPP is required, it will be implemented along the approved route prior to the start of clearing. Mechanized cutters and hand tools will be used to remove impeding vegetation to ground level.
Cleanup operations will be performed as construction activities are completed. Cleanup includes removal of debris, unused materials, and trash. Any necessary soil stabilization and reestablishing of vegetative cover will also occur during cleanup, following the procedures dictated in the SWPPP, if required. Pre-construction contours will also be restored following construction.
Specialized wide-track vehicles and line trucks with trailers will be used to transport construction materials along the ROW to the structure locations.
Galvanized steel poles will be delivered to the site location shortly before the poles are ready to be set. A large crane would then set the pole directly into an excavated hole. The hole will be backfilled with native soil or crushed limestone.
Deadend and running angle structures' reinforced concrete foundations will be installed several weeks before the steel poles are erected to allow the foundations to cure and reach their maximum strength. The steel poles will be delivered and set next to the proposed structure location shortly before structure erection. The structures will be assembled on-site, and a crane will be used to set the sections into place onto the previously installed foundations.
