The assembly transitions from the stair run to the mid-level landing using poured-in-place concrete over steel pan treads supported by one-and-one-quarter-inch by one-and-one-quarter-inch by nine-inch tread support angles welded to a steel channel stringer. An attachment angle connects the stringer to the landing support beam or channel. Visual impairment striping is provided at the landing per California Building Code 1133B.4.4 with three-inch and eleven-inch dimensions.
3 POURED IN PLACE CONCRETE OVER STEEL PAN TREADS LANDING SUPPORT BEAM/CHANNEL. STRIPING FOR THE VISUALLY IMPAIRED PER CBC 1133B.4.4 1 1/4" x 1 1/4" x 9" TREAD SUPPORT ANGLES STEEL CHANNEL STRINGER. ATTACHMENT ANGLE TO FLOOR SUPPORT BEAMS. 11" 3" ‐
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