This assembly features a steel column penetrating a composite floor slab, surrounded by a concrete curb. The column is wrapped in closed-cell foam expansion joint material and sealed at the top surface. The concrete surface at the curb interface is roughened to a one-quarter inch amplitude. A bentonite waterstop is installed around the column perimeter and extended up the adjacent precast wall, maintaining a minimum of three inches of concrete cover. The curb is reinforced with number four vertical dowels and number four horizontal bars, with one and one-half inches of clear cover provided for the slab reinforcement.
4" 6" 1 1/2" CLR COVER COMPOSITE FLOOR SLAB CONTINUE BENTONITE WATERSTOP UP AROUND PERIMETER AND UP PRECAST WALL. PROVIDE A MIN. OF 3" COVER #4 VERT DOWELS, TYP #4'S, TYP ROUGHEN SURFACE 1/4" AMPLITUDE WRAP COLUMN IN CLOSED CELL FOAM EXP. JOINT MATERIAL AND SEAL TOP SURFACE
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