A concrete floor slab interfaces with a steel support beam at the top landing of a stair assembly. Channel stringers support concrete treads and risers dimensioned with eleven inches typically unless otherwise noted, maintaining a one-inch detail clearance. Slab thickness is sized per structural drawings.
11" TYP. U.O.N. 11" TYP. 1" SEE STRUC. DWGS FOR SLAB THICKNESS CONCRETE FLOOR SLAB CHANNEL STRINGERS, SEE 10/A7.31
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