Structural · P-5F8VY

Interior Column Base Plate and Footing Section

Materials

Concrete Reinforced Concrete Steel Masonry / CMU

Elements

Columns Floors / Slabs Foundations / Footings Waterproofing / Flashing Drainage Anchors / Embeds Connections / Plates Reinforcing

Connections

Base Plate / Anchorage Bolted Connection

About this detail

An interior column base plate connection supported by a concrete footing passes through a slab-on-grade. The steel column bears continuously on a base plate secured by anchor bolts embedded in the footing, with two inches of non-shrink grout beneath the plate. The column sleeve is wrapped with half-inch compressible isolation material, filled at the top with elastomeric sealant, and features a quarter-inch drain hole drilled on one side only. A five-eighths-inch plate holds down one-quarter inch from the finished floor, reinforced by number four bars eighteen inches long at each corner of the sleeve located two inches from the top of the slab. The sleeve, base plate, and exposed anchor bolts are coated with asphaltic paint prior to placing the gravel base and concrete slab over a vapor barrier.

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