This structural drawing shows a welded collector connection type F framing into a wide flange column flange alongside a wide flange column base plate detail. The collector connection features continuity plates at the top and bottom with a thickness matching the thickest beam flange plus one-quarter inch, attached via complete joint penetration welds on top and bottom and five-sixteenths inch fillet welds on three sides after bolts are tensioned. Three seven-eighths inch diameter A325-SC erection bolts are provided in horizontal slotted holes at the shear plate. The column base plate detail indicates a wide flange column bearing on a concrete footing with a one and one-half inch non-shrink grout pad, secured by four three-quarter inch diameter F1554 anchor rods with double nuts and standard washers.
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