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Helical Pile

BRIEF CASE FACTS

Client:

G.C.:

North America Construction Ltd.

Geotechnical:

WSP Global Inc.

Structural:

WSP Global Inc.

Piles:

368 Chance Helical Piles

Loadings:

Tension Load: 350kN (80 kips)
Compression Load: 715kN (160 kips)

Challenges:

Mattagmi River WPCP

Timmins, ON, Canada

An expansion was planned for the Mattagami Waste Water Treatment Plant. Due to soft soil conditions, the proposed structures were designed to be supported on driven piles 40 metres to bedrock. EBS designed an economical alternative using helical piles and anchors to support the following structures: a secondary treatment facility, two raw sewage storage tanks and three service tunnels.

Tension Load: 350kN (80 kips)
Compression Load: 715kN (160 kips)
Depth: 20 metres
Total Number of Helical Piles: 368

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