This stair section detail shows a steel tread and riser assembly spanning between elevation 85'-0" and elevation 89'-0". The run features six equal risers at approximately 6.83 inches each over a vertical rise of 3'-5". A 3-foot-high metal handrail is mounted alongside the stair run. Vertical and horizontal dimensions establish the stair geometry and level datums.
P0 89' - 0" Loading 85' - 0" 6 E Q R I S E R S @ + / - 6 . 8 3 " E A 3 ' - 5 " H A N D R A I L T Y P . 3 ' - 0 " 3'-0" H METAL HANDRAIL STEEL TREAD AND RISER
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