138 kV Transmission Line Rebuild

Scope of Work
Cianbro rebuilt 19 miles of 138 kV transmission line, which included the removal of two circuits on the existing lattice towers and the construction of two circuits with steel monopoles on foundations.
Project Details

  • Installed and removed access/construction matting and erosion controls
  • Installed 128 new steel monopole structures
  • Installed 792,000 feet of new conductor
  • Removed 107 existing lattice towers
  • Removed 693,000 feet of conductor
Lean, Innovative and Unique Project Solutions

The project had unique challenges including the schedule being extended over two years due to the project being broken into 6 separate segments. The terrain that the transmission line covers varied from flat agricultural fields to densely populated suburban neighborhoods and which also included an interstate crossing. The project team utilized new, higher capacity rope pullers which improved the team's wire pulling efficiency and eliminates hardline pulls. The team made additional efficiencies by using outside resources to spot steel which allowed members of the team to be utilized for other tasks.

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