Back in Ontario I did see the basement of a private school extended with blocks (filled with rebar and concrete). Twice actually as the first time they back-fi

Back in Ontario I did see the basement of a private school extended with blocks (filled with rebar and concrete). Twice actually as the first time they back-filled it; the wall partially caved in from lack of rebar (I was renovating an apartment across the street, and talked with the site super on occasion).