Case Studies

Bridging The Gap

In the fall of 1997, the city of Chicago began to make plans to improve the Kinzie Street Bridge. This important bridge carries motorists and pedestrians over the North Branch of the Chicago River and into the bustling River North neighborhood of the city. It was determined that the bridge needed rehabilitation, and also needed to be elevated five feet to reduce the constant raising and lowering of the structure...

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Canal Ponds

During the month of June 1993, installation of vertical DuraHold and DuraHold2 retaining walls began at the new Canal Ponds business park near Rochester, NY. Pedestrian and bike paths wind around the development to guide people to a central green space. This combination of bridges, piers and walkways located around the ponds, constructed using the DuraHold system, creates a serene and beautiful waterfront environment...

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Food For Thought

In an attempt to conceal the new Fortino’s grocery store from the surrounding residential neighbourhood, a berm was constructed around the perimeter of the property. The berm was to be retained with a wall in order to maximize the amount of usable space. A 2.5-metre-high wood acoustical fence was required to be attached to the top of the wall to further reduce the impact of the new building on the neighbouring residences...

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Lynde Creek

Lynde Creek is a natural, protected watercourse that feeds into Lake Ontario. In 2001, the project engineers were contacted by the City of Whitby to address a slope failure that had occurred in a segment of the creek that was adjacent to residential development. The steep slope had eroded away and began sloughing, leading to a surficial slope failure of the natural embankment. The mandate of the project engineers was to find a solution to stabilize the embankment and prevent further erosion, while maintaining a high level of environmental sensitivity towards the creek and the natural wildlife...

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Reserved for the Best

This project involved the construction of a new pumping station and a ten-million-gallon concrete reservoir. In order to achieve the required grading, the site required a retaining wall structure along the west, south, and east sides of the lot...

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The Big Classic

In May of 1999, fast food giants Wendy’s and Tim Horton’s opened their newest joint location at the corner of Woodbine and 14th Avenue in Markham, Ontario, just around the corner from the Risi Stone Systems head office...

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To The Rescue

In the summer of 2000, the City of Oakville, Ontario completed construction of a new, state-of-the-art training center for its emergency services. In order to be fully equipped for fire and rescue simulations, it was necessary to install a retention pond immediately adjacent to the new training facilities. The design had to take into account the issue of vehicle accessibility. So that emergency vehicles (fire pumping trucks) could park immediately adjacent to the deepest water, the architect’s design called for the application of vertical retaining walls running along two sides of the pond...

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