9.22.1.2 — Masonry and Concrete

(1) Masonry over openings shall be supported by steel, reinforced concrete lintels or masonry arches designed to support the imposed loads. (2) Except as provided in Sentences (3) and (6), steel angle lintels supporting masonry above openings shall conform to Table 9.20.5.2.A. (3) Steel angle lintels supporting masonry veneer above openings shall conform to Table 9.20.5.2.B. (4) Steel lintels described in Sentences (2) and (3) shall, (a) have even and level bearing and shall have not less than 150 mm length of bearing at end supports, and (b) bear on masonry, concrete or steel. (5) Steel angle lintels supporting masonry shall be primed or painted or otherwise protected from corrosion. (6) Steel beams supporting masonry veneer and wood stud walls above openings shall conform to Table 9.20.5.2.C. (7) Steel beams described in Sentence (6) shall be supported at each end by a steel column, and have a minimum 6 mm plate welded to the flange to support the masonry veneer.