Key Mining and Tunneling Projects

Precise levelling on the check survey of 5.5 Km of the Canada Line tunnel under False Creek, Vancouver, 2006.

Canada Line Rapid Transit, Richmond–Airport–Vancouver

During GPS Survey of mineral lease. Ruby, Cr., Atlin, BC.

Ruby Creek Mineral Lease Survey, Atlin, BC

Other Mining and Tunneling Projects

Seymour–Capilano Twin Water Tunnel, North Vancouver Underhill contributed a number of survey services in the construction of twin 7.4km water tunnels connecting Capilano Reservoir and the Seymour filtration plant, north of Vancouver. Initially, Billfinger Berger Canada contracted Underhill to provide a check survey of the GVRD's GPS control network. Further services included establishing azimuth ba...