9.15.4.7. Reduction in Thickness

 9.15.4.7. Reduction in Thickness

1) Where the top of a foundation wall is reduced in #thickness to permit the

installation of floor #joists, the reduced section shall be not more than 350 mm high and not less than 90 mm thick.

2) Where the top of a #foundation wall is reduced in thickness to permit the

installation of a masonry exterior facing, the reduced section shall be

a) not less than 90 mm thick, and

b) tied to the facing material with metal ties conforming to Sentence 9.20.9.4.(3) spaced not more than

i) 200 mm o.c. vertically, and

ii) 900 mm o.c. horizontally.

3) The space between wall and facing described in Sentence (2) shall be filled

with #mortar.

Quoted from NBC 2015

#foundationwall