A stair run transitions to a landing slab, featuring concrete-filled metal pan treads supported by a structural stair stringer. A handrail return is mounted to the wall above the landing with a base plate and mechanical anchors. Dimensions indicate a one-foot tread depth and a two-foot ten-inch clearance from the landing finish floor to the underside of the handrail, with an additional one-and-a-half-inch offset. The concrete landing slab bears on metal decking supported by a structural steel channel.
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