St. Louis Hotel Restoration

Calgary, Canada

The St. Louis Hotel has been a landmark in Calgary since 1914 and was designated as a Municipal Historic Resource in 2008.

St. Louis Hotel Restoration

Calgary, Canada

The St. Louis Hotel has been a landmark in Calgary since 1914 and was designated as a Municipal Historic Resource in 2008.

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Challenge
The existing building’s wood structure was found to be in significant distress after 100 years of renovations and modifications. Areas of the floor were unsafe to walk on and in a state of near collapse.
Solution
To create a high-end, leasable space, it was decided to reconstruct the interior structure of the building using a new steel frame. The frame was designed to integrate with and mimic the existing structural steel in the lower levels of the building. This solution allowed for the installation of new concrete slabs over the old mill floors, which resulted in the appearance of solid wood flooring overhead as a ceiling finish, but solid, flat concrete floors underfoot.
Challenge
In order to open up the floor spaces at the basement, main, and upper levels, all of the interior walls that formerly formed the small hotel suites were removed from the building.Removing the interior walls eliminated all the inherent lateral stability of the building in the east-west direction
Solution
The lateral stability of the building in the east-west direction was reinstated using a new, structural steel frame.  The steel frame supports the floors through the addition of x-bracing in each of the four wings of the building, extending down to the foundations. These braces continue the exposed structure theme of the building’s design

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