Structural · S-RH7RK

Gravity Column Base Plate Detail

Materials

Concrete Steel Masonry / CMU

Elements

Columns Floors / Slabs Foundations / Footings Anchors / Embeds Connections / Plates

Connections

Base Plate / Anchorage HSS Connection Bolted Connection

About this detail

A base plate connection for gravity columns supported on a concrete foundation or footing consists of four one-inch diameter anchor rods with heavy hex nuts and standard washers, set around HSS, pipe, or wide-flange columns. A two-inch minimum non-shrink grout layer is positioned under the base plate, complete with a two-inch diameter grout hole as required by the contractor. A one-eighth-inch thick template of the same size as the base plate is removed prior to column installation. The design requires a three-inch minimum anchor bolt projection above the base plate, and contractors must verify total projection prior to the footing pour. Six inches of minimum concrete cover is maintained all around the embedded anchor components.

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