9.17.5. Unit Masonry Columns
9.17.5.
Unit Masonry Columns
9.17.5.1.
Materials
Unit masonry columns shall be built of masonry units
conforming to CSA A165.1, "Concrete Block Masonry Units," and
having a compressive strength over the net area of the block of not less than 15 MPa.
9.17.5.2.
Sizes
Unit masonry columns shall be not less than 290 mm by 290 mm or 240 mm by 380 mm in size.