A two-inch diameter round steel bar railing tops a double one-half by three-inch vertical steel bar spaced at four feet maximum. A three-eighths by three-inch continuous steel tubing handrail attaches to an L-shaped steel support via one-half inch diameter steel bolts with acorn caps. One-half inch horizontal steel rods run through the vertical bars. Metal grate treads featuring checkered plate nosing anchor to the structural framing.
3" 1/2" 1/2" 2" 1 1/2" 42 1/2" TYP. TYP. 4" 2" DIA ROUND STEEL BAR RAILING, TYP. 1/2" D.A. STEEL BOLTS W/ ACORN CAP 2" X 12" X 1/2" THK. L-SHAPED STEEL SUPPORT. TYP. 3/8" x 3" STEEL CONT. TUBING HANDRAIL TYP. DOUBLE 1/2" X 3" VERTICAL STEEL BAR @ 4'-0" MAX. SPACING 1/2" HORIZONTAL STEEL ROD, TYP. METAL GRATE TREADS WITH CHECKERED PLATE NOSING PER SPEC. AH12.6a 15
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