This structural steel column base plate detail features a steel column welded to a 1-inch thick base plate, anchored to a concrete foundation by four 1-inch diameter A307 standard hex head bolts. A 2-inch diameter maximum grout hole is provided if required at the center of the plate. The assembly rests on a 2-inch thick non-shrink, high-strength grout layer placed over the top of the foundation. Fillet welds secure the column to the base plate per the indicated sizes and dimensions.
COL SEE PLAN CL COL CL CL COL 1" THK BASE PL 2"Ø (MAX) GROUT HOLE IF REQ'D T.O. FOUNDATION (4) 1"Ø A307 STANDARD HEX HEAD BOLT 2 1/2" 2 1/2" UNO 1/2" MIN 3" 3" 3/4" 1/4 1' / 0" HI/STRENGTH GROUT 2" THK NON/SHRINK, 1/2
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