An HSS 12 x 3 stringer supports metal treads and risers above a concrete floor level. Vertical posts feature a one-quarter-inch weld all around, ground smooth. Eleven equally spaced cable railings run along the rake and landing. A one-and-a-half by two-and-a-half-inch painted steel top rail sits above a one-and-a-half-inch outside diameter steel pipe handrail attached via a half by two-inch steel plate bracket.
2'-11" 3'-6" 3" 1'-0" 3'-6" 3" 2'-11" 1 1/2"x2 1/2" STEEL TOP RAIL, PAINTED 1 1/2" O.D STEEL PIPE HANDRAIL 1/2" x 2" STEEL PLATE BRACKET SEE DETAIL 11/A7.22 11 CABLE RAILING EQ. SPACED, TYP. HSS 12 x 3 STRINGER S.S.D. METAL TREAD & RISER FLOOR LEVEL 11 CABLE RAILING EQ. SPACED, TYP. 1/4" WELD ALL AROUND POST. GROUND SMOOTH WELD ALL AROUND, TYP. 3" 1% TYP. 1% TYP.
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