Three-quarter-inch plywood treads and risers are supported by stair stringers sized per structural drawings. Type X five-eighths-inch gypsum board clads the side and underside of the stair assembly. A continuous four-by-six member runs between stringers and anchors to the concrete slab with one-half-inch expansion bolts at sixteen inches on center. A Simpson L-30 connector secures the stringer to the continuous wood sleeper.
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