Precast concrete treads and risers bear on a steel plate and hollow structural section stringer at the top of the stair. The landing slab features pavers set over rigid insulation and hot rubber waterproofing. A hollow structural section post ties into the assembly below, backed by rigid insulation, a water-resistive barrier over exterior sheathing, and a vapor retarder.
F36 591' - 0" VAPOR RETARDER HOT RUBBER WATERPROOFING RIGID INSULATION HSS STRINGER WATER RESISTIVE BARRIER ON EXTERIOR SHEATHING HSS POST STEEL PLATE PRECAST CONCRETE TREAD AND RISER PAVERS (SEE LANDSCAPE DWGS) RIGID INSLUTION 3 / 4 "
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