Numerous historic structures in the city encounter foundation difficulties due to factors like settlement , ground composition, and age . Base reinforcement involves a specialized construction technique used to bolster the structural strength of a building's present foundation . The procedure usually requires removing under the original foundation

Toronto’s variable soil conditions often lead to foundation problems , requiring specialized underpinning methods . Base stabilization involves bolstering existing foundations or constructing new ones to increase their load-bearing capacity. Common approaches include here micro-piles , concrete jacking , and shotcrete applications, all carefully