Precast concrete stair treads are set over a structural concrete floor slab and supported by embed anchors with a grout bed. A steel nosing is embedded into the precast tread and extends back two inches from the face of the riser. A handrail is positioned above the finished floor level with a one-foot minimum clearance.
PLAN DIM. PLAN DIM. LEVEL 01 0'-0" HANDRAIL 1'-0" MIN. PRECAST CONCRETE TREAD 2" 2" STEEL NOSING. EXTEND BACK 2" FROM FACE OF RISER. 2" GROUT TREAD TO EMBED ANCHORS. TREAD PER PLAN
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