Precast terrazzo stone treads install over a steel plate supported by structural steel framing. Risers are spaced equally with typical dimensions of eleven inches for treads and four-inch diameter pipe supports referenced from structural drawings. Precast terrazzo landing details coordinate with the stair runs and steel support members designated as A550 C1 and C2.
PRECAST TERRAZZO STONE TREAD INSTALLED OVER STEEL PLATE A550 C2 TYP. RISERS EQ 11" 1" ø 4" STEEL TREAD SUPPORT - REFER STRUCTURAL DRAWINGS 1" 11" ø 4" PRECAST TERRAZZO LANDING PRECAST TERRAZZO STONE TREAD INSTALLED OVER STEEL PLATE A550 C1 TYP. ø 4" 1" A550 C2 TYP. RISERS EQ RISERS EQ 1' - 2" 3 1/2" 6"
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