This elevation shows a galvanized steel stair and catwalk assembly bearing on a sloped concrete podium slab with a WP-5 waterproof membrane. The stairs feature galvanized steel grating treads supported by tee-shape stringer supports and galvanized steel stringers. Riser heights are maximum eight inches typical with nine-inch typical treads, providing access adjusted to match door height. The base of the stair stringer rests on a sloped concrete curb with waterproofing.
TREAD TYP 9" RISER TYP 8" MAX GALV STL STRINGER GALV STL TEE SHAPE STRINGER SUPPORT GALV STL GRATING TREAD WP-5 OVER SLOPED CONC PODIUM SLAB WP-5 OVER SLOPED CONC CURB, TYP ELEVATION OF CATWALK AS REQ'D TO MATCH DOOR HT PROVIDE RISER QTY AS NEEDED, ALL RISERS EQ HT
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