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Helical Pile

BRIEF CASE FACTS

Client:

G.C.:

Carrier Mausoleums Construction Inc.

Geotechnical:

Golder Associates

Structural:

Brown and Co. Engineering Ltd.

Piles:

156 Chance Helical Piles

Loadings:

Loads: 1100 kN (248 Kips) Ultimate Resistance

Challenges:

New Mausoleum

Toronto, ON, Canada

Mount Pleasant cemetery owners had plans to build a mausoleum in an urban location without causing severe disturbance to the adjacent residential structures. Construction noise and vibrations were a concern for the owners and designers during planning. The surface soils in the area were not suitable for bearing the foundations, therefore, a deep foundation solution was required.

EBS Geostructural worked with Pretium Anderson and Golder Associates to provide a foundation solution using the Chance® Helical Pier system.

THE PROBLEM
A new mausoleum was to be built in an existing cemetery close to the property lines adjacent to an existing residential area. Construction noise and vibrations were a concern for the owners and designers during planning. The surface soils in the area were not suitable for bearing the foundations therefore a deep foundation solution was required

THE SOLUTION
Chance® Helical Piers were chosen over conventional technologies (driven piles and caissons) for the following reasons:

No vibrations or spoils during installation
Reduce construction traffic (dump trucks, concrete trucks, cranes etc.)
Helical pier capacity and installation not affected by high water table
Construction cost savings

Three load tests were completed on the Helical Piles, verifying the piles capacity and optimizing design.
EBS’s in-house design team redesigned the original structural design supported on caissons to helical piles


Loads: 1100 kN (248 Kips) Ultimate Resistance
Depth: 10 to 12 m (33 to 40 ft)

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