A hollow structural section column connects to a steel base plate of specified thickness supported over a two-inch grout pad. Anchor bolts with double nuts and washers secure the assembly into the concrete foundation, featuring oversized anchor bolt holes permitted per AISC guidelines. Column leveling is achieved using leveling nuts or shim stacks, with half-nuts permitted. The base plate welds to the hollow structural section column with a one-quarter-inch fillet weld, maintaining standard minimum edge distances.
TYP TYP TYPICAL AB SIZE AND NUMBER PER SCHEDULE TYPICAL DOUBLE NUTS W/ WASHERS TYPICAL COLUMN LEVELING MAY BE PROVIDED BY LEVELING NUT OR SHIM STACKS (1/2 NUTS PERMITTED) TYPICAL OVERSIZE AB HOLES PERMITTED PER AISC PER SCHEDULE W PER SCHEDULE L 2" GROUT 1'-0" PER SCHEDULE t 1 3/4" MIN 1 3/4" MIN 1/4
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