A poured concrete tread is supported by a stringer connecting to the post-tensioned concrete structural slab. A contrasting warning strip is set flush with the tread surface at the upper approach and lower tread. Dimensions indicate a maximum riser angle of 8.5 degrees, a maximum typical 7-inch riser height, and a minimum typical 11-inch tread depth. The stair design is noted as part of a deferred submittal.
PT DECK, SSD POURED CONC. TREAD. SANITARY COVE STRINGER 2" X STAIR WIDTH WIDE WARNING STRIP, FLUSH W/ SURFACE, 70% CONTRASTING COLOR, TYP. @ UPPER APPROACH & LOWER TREAD STAIR DESIGN PART OF DEFERRED SUBMITTAL 1" 2" 1" TYP. 8.5 DEGREE MAX RISER ANGLE TYP. 7" MAX TYP. 11" MIN.
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