The Ontario Building Code | Openings in Loadbearing Flat Insulating Concrete Form Walls
9.20.17.4. openings="http://thehandyforce.com/windows/" title ="Window installer in Toronto">openings in Loadbearing Flat insulating Concrete Form walls
(1) No openings="http://thehandyforce.com/windows/" title ="Window installer in Toronto">openings shall occur within 1.2 m of interior and exterior corners of exterior loadbearing flat insulating concrete form walls.
(2) Inloadbearing flat insulating concrete form walls, lintels shall be provided over all openings="http://thehandyforce.com/windows/" title ="Window installer in Toronto">openings wider than 900 mm.
(3) Lintels described in Sentence (2) shall be constructed in accordance with Tables A-17, A-18 or A-19.
(4) Lintels described in Sentence (2) over openings="http://thehandyforce.com/windows/" title ="Window installer in Toronto">openings wider than 1.2 m shall be reinforced for shear with 10M stirrups at a maximum spacing of half the distance from the bottom reinforcing bar to the top of the lintel.