Concrete-filled steel pan treads frame into the steel stringer at the stair connection to the concrete landing. The landing framing supports the concrete landing slab, maintaining a maximum seven-inch rise per the stair section. Dimensions indicate an eleven-inch tread run with a one-inch nosing projection.
11" 1" 7" MAX. SEE STAIR SECTION CONCRETE FILLED STEEL PAN TREADS STEEL STRINGER CONCRETE LANDING LANDING FRAMING
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