St Lawrence Market North sees its steel structure progress


Construction of the St Lawrence Market North construction site in Jarvis and Front in downtown Toronto is picking up speed. Recently, the building designed by Rogers Stirk Harbor + Partners under construction by Buttcon Limited for the City of Toronto has seen the steel frame on its east side start to catch up with the west side.

Steel structures under construction at St Lawrence Market North, image by Red Mars, UT Forum contributor

After winning the design competition for the project, Rogers Stirk Harbor + Partners continued to refine the plans for the North Market building with Adamson Associates Architects of Toronto, addressing the City’s concerns to find savings where possible. Construction was later delayed by archaeological excavations at the site which found more than expected, and then by the need to relaunch the project when the first general contractor became insolvent.

As construction now progresses with new general contractor Buttcon, we can see how the two five-story wings will provide an open atrium space between them, which will eventually be topped with a full-length glass skylight. of the building that will fill the atrium with natural light. The atrium will be crossed by glass bridges, its skylight providing a picturesque view of heritage St Lawrence Hall to its north, as seen in the render below.

Looking north through the atrium of the St Lawrence Market North building, image by submission to the City of Toronto

Prior to securing the steel posts, beams and arches, a field of concrete footings was poured over the site, currently wrapped in copious amounts of plastic and duct tape. In the early September image below looking southeast, at the back of the image we can see the steel that has already been installed in the part of the building facing Front Street.

Field of footings awaiting structural steel, image by Red Mars, UT Forum contributor

Steel installation has since continued further north. A closer look at the footings shows their conical shape, the shape is not strictly for structural purposes, but adds to the uniqueness of the building details. The couplings used to join the steel to the footings are also unique, with the ends of the buttress posts bolted together.

Conical concrete footings at the base of St Lawrence Market North, image by ADRM contributor from UT Forum

Once completed, the two connected wings will be capped with barrel roofs, already formed by the steel arches. The upper floors of the new building will provide state-of-the-art space for the city’s traffic courts, relocating from several locations around Toronto, including the Old City Hall. The street level will host the Saturday Farmer’s Market and the Sunday Antique Market. Under the development there will be an underground garage with 250 spaces.

Looking northwest across Jarvis Street at the St Lawrence Market North construction site, image via a submission to the City of Toronto

You can read more about our database file for the project, linked below. If you wish, you can join the conversation in the discussion thread associated with the project forum or leave a comment in the space provided on this page.

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