Steel stair construction features steel treads and risers set between elevation levels P0 at 89'-0" and Loading at 85'-0". The run includes seven equal risers at approximately six and one-quarter inches spanning three feet seven and three-quarter inches verify in field. A three-foot six-inch high metal guardrail and a three-foot high metal handrail mount along the stair run.
P0 89' - 0" Loading 85' - 0" 7 E Q R I S E R S @ + / - 6 1 / 4 " 3 ' - 7 3 / 4 " ( V . I . F . ) 3'-6" H METAL GUARDRAIL 3'-0" H METAL HANDRAIL STEEL TREAD AND RISER
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