A square hollow structural section column bears on a base plate secured by anchor bolts arranged in a symmetric pattern. The plate features edge dimensions of 550 millimeters with typical bolt spacings of 70 millimeters and 50 millimeters, alongside intermediate gauge dimensions of 40 millimeters and 222 millimeters. Stiffener plates or gussets align with the column faces to transfer loads evenly into the foundation assembly.
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