Mining and Tunneling
Sample Mining and Tunneling Projects
Canada Line Rapid Transit, Richmond–Airport–Vancouver
Underhill was contracted to perform a number of surveys related to the construction of the Canada Line (formerly RAV line) which runs from downtown Vancouver to Richmond and to Vancouver International Airport. Clients included Canada Line Rapid Transit Inc., SNC Lavalin, SNC/SELI Joint Venture and PNR Contractors.
This survey project included th ...
Ruby Creek Mineral Lease Survey, Atlin, BC
Underhill was contracted to do a mineral lease survey on claims at Ruby Creek near Atlin, BC. Under the supervision of F.B. Underhill, the project became the first mineral lease done using the (then) new geographic cell system as opposed to the traditional unit, or location line, claims. The claim was surveyed using a combination of real-time kinem ...
BC Rail Tumbler Ridge Branch Line, 1980–1983
Underhill was the consulting surveyors for the building of 140 km of railway through the Rocky Mountains approximately 250 km north east of Prince George, BC. This project, part of BC's Northeast Coal Development plan, was spread over a three year period commencing in 1980. Initially, Underhill was involved in the location of the railway centrelin ...
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 ...