Vertical guardrail posts and stair stringers align with handrails above a bent closure plate at the stair landing. Baluster spacing maintains a maximum four-inch clearance. Dimensions locate the vertical posts two and one-quarter inches from the handrail edges with a minimum seven and one-half inch clear space between stringers. Dashed lines indicate the position of the front edge of the tread below relative to the back of the riser throat.
2 1/4" MIN 7 1/2" 2 1/4" VERTICAL GUARDRAIL POSTS SPACE BETWEEN BALUSTERS, AND GUARDRAILS AND BALUSTERS, SHALL BE 4" OC MAX FRONT EDGE OF TREAD BELOW BACK OF RISER THROAT STAIR STRINGERS HANDRAIL FRONT EDGE OF TREAD BELOW BENT CLOSURE PLATE BELOW 2 1/4" 3"
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