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Piling & Caissons

Piling & Caissons With Ottawa’s unique soil conditions, deep foundations play an important part in construction in the area. We strive to provide the most economical system for the project, always being cognizant of cost and schedule

The most commonly used deep foundation is end bearing piles. We provide installation of pipe piles and H-piles for various applications from housing to bridges.

We also have the ability to install caissons or drilled shafts up to 72 inches in diameter in earth and rock.


Excavation and Backfill

Large and/or complicated excavations are our specialty. Specializing in major excavation projects for downtown office buildings and condominiums as well as urban shopping malls and schools, we work with the general contractor to ensure other sub-contractors are able to get started as quickly as possible.



Numerous shoring options are offered to provide cost effective and reliable solutions for deep excavations. We provide engineered plans for underpinning or sheetpiling of neighbouring buildings or H-Pile and wood lagging of adjacent property.


Site Services

Combining the sewer and watermain installation for a project with the other aspects often simplify the co-ordination requirements of the client as well as being efficient.


Rock Anchors

We will successfully install your rock anchors from drilling in varying conditions, to
grouting and testing the anchors in coordination with the consultants to make sure
your project is a successful project.


Equipment Rentals

Offering a wide range of standard construction equipment from backhoes to trucks, we will source out through our many industry contacts any special requirements that you may have.

We invite you to view our gallery of featured contracts.

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Dufresne Piling Company (1967) Limited.
tel 613 739.5355   fax 613 739.4012

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