AC Collector Lines – 138 kV & 230 kV

Client: Manitoba Hydro

Length: 160 km

Timeline: November 2014 – April 2018

Location: Gillam, MB

Scope/Description:

  • Four 3 phase transmission lines (27 km each)
  • Guyed and self-supporting steel lattice towers
  • 108 km of 1590 MCM ACSR and 52 km of 2-bundle 795 Drake ACSR with 2-OHGW
  • Precast concrete footings, precast concrete anchors, helical piles, micropiles
  • Environmental and construction access matting
  • Extreme weather conditions (-55C with wind chill), strong winds, heavy snowfall and winter storms

Highlight: Forbes constructed over 400 km of winter road and access construction to accommodate seasonal construction windows for this project.

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