Structural · S-78NHV

Minimum When 'B' Or 'N'

Materials

Concrete Steel Masonry / CMU

Elements

Columns Anchors / Embeds

Connections

Base Plate / Anchorage Welded Connection

About this detail

A square column base plate supports W8, W10, W12, and W14 steel columns with anchor rods positioned in a square pattern outside the column flanges. A five-sixteenth-inch fillet weld is specified along the full width and depth of the column profile. Edge distances for the anchor rods vary based on rod diameter, requiring two and a half inches for rods up to one and a half inches in diameter, three and a half inches for rods up to two inches, and four inches for rods up to two and a half inches. Two two-inch diameter vent holes are required when dimensions B or N exceed twenty-four inches. Grout holes are provided as needed to ensure complete grout installation and full bearing under the plate.

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