A formed steel riser supports a concrete-filled pan tread that features a two-inch thickness and an embedded photoluminescent strip with an abrasive surface extending to the stringer on both sides. A steel clip angle welds to the painted steel stringer to support the tread assembly. The stair dimensions include a seven-inch maximum rise, an eleven-inch typical run, and a one-and-a-half-inch nosing projection. A note requires the nosing assembly to be coordinated by the stair manufacturer to assure compatibility with the pan configuration and nosing anchorage system.
FORMED STEEL RISER, PAINT NOTE: NOSING TO BE COORDINATED BY STAIR MFR TO ASSURE COMPATIBILITY W/ PAN CONFIGURATION & NOSING ANCHORAGE SYSTEM PHOTOLUMINESCENT STRIP TREAD NOSING ASSEMBLY W/ ABRASIVE SURFACE EXTENDS TO STRINGER BOTH SIDES 2" CONCRETE FILLED PAN TREAD STEEL CLIP ANGLE, WELD TO STRINGERS, PAINT 1 1/2". 11" TYP. 1" TYP. 7" MAX 3 1/256" 1". STEEL STRINGER; PAINTED
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