This structural plan detail shows the spatial orientation and dimensioning for a stairwell opening framed by concrete slabs. Three-foot square by twelve-inch deep erection pads are reinforced with four number four bars each way typically. Steel pipe handrails are coordinated with architectural drawings. The concrete slab is poured after the structural panels are erected, with stair treads sloped one-eighth inch per foot.
SEE FOUND. PLAN FOR ORIENTATION OF STAIRS
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