The project included constructing and commissioning a new 138 kV transmission line, 423L, from N.E. Lacombe Substation 212S to Ellis Substation 332S, covering approximately 13.5 km of single circuit and 2 km of double circuit facilities. A total of one hundred and seven (107) steel monopole structures were installed along with fifty five (55) steel pipe foundations, twelve (12) concrete caisson foundations (2 m–2.5 m diameter), and two (2) wooden structures. The new line was strung with 1033 ASCR Curlew conductor.
Client: SNC Lavalin
Location: Lacombe, AB