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Orleans Water Main Link

A variety of trenchless and open-cut solutions to install more than 7,000 meters of water main

  • 7K

    Meters of Pipe

  • 110K

    Residents

  • Orleans, Ontario

    Orleans, Ontario

A unique solution to overcome a complex dilemma

On the eastern edge of the City of Ottawa, along the Ottawa River, lies the community of Orléans, with a population of over 110,000 residents. This growing area is serviced by only one large feedermain. A failure of this critical infrastructure would have serious impacts on the City's ability to meet daily water demands.

Recognizing the importance of improving the reliability of water delivery, the City embarked on a major initiative to install more than 7,000 meters of multi-diameter water main. A unique solution was required for the project that took into account significant operational challenges along with the need to minimize disruptions to the community and cross many environmentally sensitive features. For these reasons, a variety of trenchless and open-cut solutions were proposed, each picked to match the specific features of the area.

Goals included maximizing short- and long-term operational flexibility, determining how to best connect to the exiting piping, minimizing impacts on surrounding community, and maximizing construction cost effectiveness. The trenchless installations included an HDD crossing under Greens Creek and the Rockcliffe Parkway (590 meter long pull of 914 mm HDPE pipe up to 25 m deep), auger bore crossing under OR 174 (110 meter long steel casing), lining of existing connecting water mains (1,300 meters), renewal of 14 corrugated steel culverts along OR 174 using CIPP liners, and renewal of two concrete box culverts along OR 174. The project is the first of its kind in Ottawa to use HDD for this length crossing using such a large diameter water main.

This cost effective approach reduced environmental and stakeholder impacts, led to an easier approval process, provided operational flexibility, and met the long-term development needs of the community.

At a Glance

Offices
Award
Association of Consulting Engineering Companies of Canada, Award of Excellence 2015

Services


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Meet Our Team

Gerald Bauer, Principal, Water

Working to assess condition and develop rehabilitation strategies for infrastructure is a role which impacts the entire community.

Gregory Chochlinski, Associate

I strive to deliver high-quality results on all projects—big and small—and believe that no detail is too small to be ignored.

John Krug, Consultant

People are everything in the office and promoting a “work hard – play hard” attitude brings out the best both professionally and personally.

Kevin Alemany, Principal, Water

I’m passionate about ensuring access to safe, reliable drinking water and treating wastewater economically with minimal social and environmental impacts.

Gerald Bauer

Principal, Water

Gregory Chochlinski

Associate

John Krug

Consultant

Kevin Alemany

Principal, Water

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