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CFA


North Interceptor Sanitary Trunk

September 4, 2019
North Interceptor Sanitary Trunk

Doublestar Drilling was awarded the design-build secant compression ring shoring & excavation scopes of work for three tunnel boring machine launch, access and retrieval pits in September 2017. The North Interceptor Sanitary Trunk Project is located in St. Albert, AB. The circular secant compression ring pits ranged in diameters from 6m to 8.2m and to […]

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Canadian Tire

August 30, 2017
Canadian Tire

In early March 2017 Doublestar Drilling was awarded the design, supply and installation scope of work for 207 continuous flight auger (CFA) piles for the Canadian Tire Manning Drive project located in NW Edmonton AB. CFA piles are a semi-displacement straight shaft concrete pile where the shaft is drilled to depth in one pass using […]

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Accessible Housing

November 1, 2016
Accessible Housing

Doublestar Drilling has partnered with Resolve and Accessible Housing, to provide CFA (continuous flight auger) foundation piles and a temporary shoring wall, for the construction of a 45 unit accessible home complex, located in Calgary, AB. This facility will provide 24-hour, on-site support for adults with physical mobility barriers, such as spinal cord injuries or […]

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