Basement Underpinning Toronto | Residential Underpinning Toronto

There are many different situations where a structure may need to be underpinned. Lists several underpinning possibilities:

  • To support a structure that is sinking or tilting due to ground subsidence or instability of the superstructure
  • As a safeguard against possible settlement of a structure when excavating close to and below its foundation level
  • To support a structure while making alterations to its foundation or main supporting members
  • To enable the foundations to be deepened for structural reasons, for example to construct a basement beneath a building
  • To increase the width of a foundation to permit heavier loads to be carried, for example, when increasing the story height of a building
  • To enable a building to be moved bodily to a new site Tomlinson (1986) also indicates that each underpinning project is unique and requires highly skilled personnel, and therefore it should only be attempted by experienced firms.

Because each job…

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