Cassils – Bowmanton – Whitla – 240 kV

Client: SNC Lavalin T&D

Length: 235 km

Completion Date: March 2014

Location: Brooks, AB / Medicine Hat, AB

Scope/Description:

• 721 steel lattice towers
• Multiple lines: 1034/1035L & 964L/983L twin bundle 1033 Curlew ASR with ½” OHSW and 48F OPGW, 923L/935L & 1051L/1052L twin bundle 477 Hawk for new tension spans
• Construction occurred over three summer and winter seasons due to grass fire and environmental mitigations, and landowner requirements
• Access and ROW construction and maintenance
• Helicopter and conventional crane erection
• Traditional Land Use and Historical Artifacts restrictions
• 19 km (57 structures) constructed across Sand Hills

Highlight:

Line construction paralleled the southern border of Canadian Forces Base (CFB) Suffield and required mitigation measures for unexploded ordinance.