A sealed concrete filled metal pan stair is supported by a steel channel stringer. A 1 1/2-inch diameter steel pipe handrail is mounted on 5/8-inch diameter bent rod handrail brackets attached to 1 1/2-inch diameter steel guardrail posts spaced at a maximum of 4 feet on center. Two brackets are provided per handrail, welded to the posts and ground smooth. A 1 1/2-inch diameter steel tube guardrail is positioned above the handrail. All steel elements are shop primed and painted.
C L 3' - 0" TO TOE OF TREAD 3' - 6" TO TOE OF TREAD 1 1/2" MIN. 1 1/2" 1 1/2" 1 1/2" DIA. STEEL TUBE GUARDRAIL, SHOP PRIMED AND PAINTED; SEE SPECS. FOR MORE INFO. 1 1/2" MIN. 1 1/2" DIA. STEEL PIPE HANDRAIL SHOP PRIMED AND PAINTED. SEE SPECS FOR MORE INFO. WELD TO SUPPORT BRACKETS AND GRIND SMOOTH 5/8" DIA. BENT ROD HANDRAIL BRACKETS AT GUARDRAIL POSTS, LOCATE BRACKETS AT SPACING REQUIRED TO SUPPORT STRUCTUAL LOADS, NOT TO EXCEED 4'-0" O.C. MAX. MIN. (2) PER HANDRAIL, WELDED TO POST AND GRIND SMOOTH. SHOP PRIMED AND PAINTED. SEE SPECS FOR MORE INFO. (TYP.) 1 1/2" DIA. STEEL GUARDRAIL POSTS AT 4' O.C. MAX SHOP PRIMED AND PAINTED. SEE SPECS FOR MORE INFO. STEEL CHANNEL STRINGER SHOP PRIMED AND PAINTED. SEE SPECS FOR MORE INFO. SEALED CONCRETE FILLED METAL PAN STAIR 8 9 10 11
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