Structural connection of a metal pan steel stair or concrete-filled steel pan tread stair to a concrete floor slab. The stair stringer consists of a galvanized metal plate or channel, secured to the floor slab using a bolted steel angle connection. The railing assembly features a one-and-a-half-inch diameter outside diameter tube and pipe rail, configured to meet accessibility and safety clearance requirements. Guardrail and handrail heights are indicated with three-foot-six-inch and three-foot dimensions, along with code-mandated sphere passage restrictions.
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" DIA. SPHERE SHALL NOT PASS THROUGH 4 3/8" DIA. SPHERE SHALL NOT PASS THROUGH 27" MAX
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