A non-penetrating rooftop stair spans from the main roof at elevation 185 feet zero inches to the penthouse level at elevation 186 feet eleven inches. The stair assembly features five equal risers spanning a vertical distance of two feet six inches with a four-foot horizontal run. Freestanding support stands rest directly on the roof membrane without mechanical roof penetrations.
ROOF 185' - 0" PENTHOUSE 186' - 11" NON-PENETRATING ROOFTOP STAIR 4' - 0" (5) EQ. RISERS 2' - 6"
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