North Foothills Transmission Project – 240 kV & 138 kV

Client: SNC Lavalin T&D

Length: 45 km

Completion Date: June 2015

Location: Alberta, Canada


  • 154 structures consisting of steel lattice towers, steel monopoles, and wooden H-frame structures
  • Double circuit, twin bundle 1033 Curlew ACSR and 13 km section of triple circuit, twin bundle 1033 Curlew
  • Salvage 14 km of existing wood H-frame line and 3km of steel lattice tower line
  • Helicopter and conventional crane erection
  • Cast-in-place concrete piles, helical piles, and direct embedment

Highlight: As part of Altalink’s Foothills Area Transmission Development this project provides transmission reinforcement and improved reliability for infrastructure that was originally built in 1985.