Structural · S-5EAY9

Steel Column Base Plate and Foundation Detail

Materials

Concrete Steel Masonry / CMU

Elements

Columns Floors / Slabs Anchors / Embeds Connections / Plates Reinforcing

Connections

Base Plate / Anchorage Bolted Connection Rebar Splice / Development

About this detail

A structural steel column bears on a base plate per schedule, secured with anchor bolts conforming to ASTM F1554 Grade 55 with S1 supplement and leveled with leveling nuts and plate washers. The base plate is welded to the column with typical five-sixteenths inch fillet welds and features a two-inch diameter grout hole as required, with non-shrink grout placed beneath the plate. The concrete footing incorporates reinforcing bars per plan or schedule with a minimum three-inch clearance. A diamond blockout is provided around the column base for backfill concrete matching the slab on grade. Continuous slab reinforcing bars match the size and spacing of the slab reinforcement, with hooked bars provided where development length cannot be achieved.

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