A steel stringer connects to a landing support by the stair manufacturer, with a continuous angle closure at the interface. The stair tread and landing slab are provided by the stair manufacturer, maintaining an eleven-inch minimum tread depth. A one-and-a-quarter-inch standard pipe top rail and continuous handrail are mounted on one-and-a-quarter-inch standard pipe posts spaced at four feet on center maximum. Vertical clearances and dimensions are coordinated for the stair landing and guardrail assembly.
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