Interior to Lower Mainland -500kV

Client: Flatiron / Graham JV

Length: 12 km

Completion Date: Outages completed in October 2015

Location: British Columbia, Canada


  • Heli-stringing of 12 km of conductor in high induction corridor
  • Assembly and erection of three steel lattice towers
  • Salvage of 4 existing steel lattice towers
  • 4-bundle 926.7 AACSR
  • Limited access – mountainous terrain, helicopter only access to dead-end structures


Constant, significant elevation changes required intricate stringing, sagging, and clipping procedures.