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8 Ida Street

  • Underpinning

8 Ida Street

HC Matcon was retained to install panel underpinning for a custom home built by Laureden Inc. in 2007 in one of Markham’s prestigious neighbourhoods.  Due to lack of real-estate and property, the home owners decided to build an in ground pool inside of their newly completed residence.  The residence consisted of an existing crawl space in which the pool was requested.  It should be noted that the interior finishes consisted of sensitive glass and marble which were sensitive to movement below.

The project involved deepening the crawl space for the swimming pool addition.  Innovation was required due to a unique underpinning design which included two layers of continuous rebar within the panel in order for it to be used as a permanent foundation wall.  This created constructability issues due to the required three panel sequences of installation.  To allow for unobstructed panel excavation, HC Matcon and RWH, an HC Group company, special bulkhead steel embedments were fabricated from mesh and anchor couplers (provided by Williams Form Engineering) in the HC Matcon shop. These were used in place of rebar to allow for all threading of the bars satisfying the engineer.

The work was successfully completed on time and on budget.  Underpinning systems are a specialty of HC Matcon.

Client: Laureden Inc.

Location: Toronto, Ontario

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