This assembly secures a steel post to a concrete slab-on-grade using a base plate configuration. The steel post is welded to a base plate with a three-sixteenths inch fillet weld. The base plate is anchored to the concrete slab using four five-eighths inch diameter expansion bolts with a four-inch embedment depth. The connection utilizes a three-by-three-by-one-quarter inch angle base plate. The assembly includes two-by-two-by-one-half inch square washers with eleven-sixteenths inch diameter holes, and the base plate features one-half inch A36 steel with thirteen-sixteenths inch oversize holes for adjustment.
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