A structural steel hollow structural section column base plate connection anchored to concrete. The assembly consists of a hollow structural section column welded to a base plate, secured by four three-quarter-inch diameter anchor rods with a one-foot minimum embedment. Non-shrink grout is placed beneath the base plate, resting on the top of concrete elevation. A five-sixteenth-inch fillet or partial penetration groove weld connects the hollow structural section to the base plate depending on edge distance. An associated schedule defines plate dimensions for specific column sizes.
TOC EL (4) 3/4" DIA AR W/ 1'-0" MIN EMBED FIN COL END & BASE PL PER AISC NON-SHRINK GROUT SEE NOTE 4 5/16 NOTES: 1. TIGHTEN ANCHOR RODS SNUG TIGHT AND SCORE ROD THREADS TO PREVENT LOOSENING. 2. BASE PLATE HOLE DIAMETER AND WASHER DIAMETER SHALL BE SIZED PER "AISC MANUAL-TABLE 14-2" UNLESS NOTED OTHERWISE. 3. DIMENSION "L" IS PARALLEL TO WIDE FACE OF HSS UNLESS NOTED OTHERWISE. 4. WHERE EDGE OF BASE PLATE IS LESS THAN 9/16 INCH FROM THE FACE OF THE HSS, PROVIDE A PARTIAL PENETRATION GROOVE WELD OF THE HSS TO THE BASE PLATE IN LIEU OF FILLET WELD ON THAT FACE OF THE HSS. GROOVE WELD SIZE SHALL BE THE THICKNESS OF THE HSS WALL OR 5/16 INCH, WHICHEVER IS LESS. ELEVATION PLAN SEE FRMG PLANS FOR SIZE CL COL CONTRACTOR SHALL HOLD BASE PLATE RIGIDLY IN PLACE WHILE GROUTING BASE PL, SEE SCHEDULE CL COL 1" 12" 10" TYP 1 1/2" EQ EQ TYP 1 1/2" EQ EQ 1 1/2" "L" "W" "T" TYPE 4 BASE PLATE SCHEDULE COLUMN SIZE W (IN) L (IN) HSS6x6x3/8 HSS8x8x1/2 15 17 15 17 T (IN) 1 1 12 TYPICAL COLUMN BASE PLATE, TYPE 4
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