A galvanized metal plate or channel stringer supports metal pan steel treads or concrete-filled steel pan treads bearing onto a concrete floor slab. A bolted steel angle secures the stair connection to the structural support. The railing assembly includes a one and a half inch diameter outside diameter tube and a one and a half inch diameter pipe rail with specified sphere clearance limitations.
1 1/2" DIA. O.D. TUBE 1 1/2" DIA. PIPE RAIL METAL PLATE OR CHANNEL STRINGER, GALVANIZED MIN. 1'-0" 3'-6" 3'-0" 1 1/2" METAL PAN STEEL TREADS OR CONC. FILLED STEEL PAN TREADS BOLT STAIR CONNECTION W/ STEEL ANGLE 4" 3 3/4" DIA. SPHERE SHALL NOT PASS THROUGH 4 3/8" DIA. SPHERE SHALL NOT PASS THROUGH 4 TYP. 3 7/8"
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