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Squamish, BC V8B 0A4
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Parks Canada - Trans-Canada Highway Snow Net Project

News

Parks Canada - Trans-Canada Highway Snow Net Project

Christine Ferguson

Each year, numerous snow avalanches threaten the Trans-Canada Highway in Glacier National Park. A combination of snow sheds, earthworks (e.g. berms), and artillery based avalanche control has effectively protected highway travelers since the highway opened in 1962.

In order to improve highway reliability, Parks Canada commissioned the largest snow net project to date in the western hemisphere, to permanently stabilize the snowpack in three problematic avalanche paths – Cougar Corner #6, 7, and 8. Alpine Solutions Avalanche Services completed the design, which included 1937 m of Geobrugg snow nets in 39 separate rows. Three debris flow barriers were utilized in terrain that was too incised for traditional snow nets. All rows for two avalanche paths were installed in 2016, and the third path is due for completion in 2017.

Owner: Parks Canada Agency. APEGBC members: Brian Gould, P.Eng., Cam Campbell. Eng.L. (Alpine Solutions), and Jenna Zdunich P.Eng. (BAT Construction Ltd.). Prime Consultant: McElhanney Consulting Services Ltd.

Cougar Corner avalanche paths above the Trans-Canada Highway

Cougar Corner avalanche paths above the Trans-Canada Highway