Structural · S-YZ6GR

New Mechanical Equipment Curb on Existing Concrete Wall

Materials

Concrete Steel

Elements

Beams Walls Roofs Site / Paving Anchors / Embeds

Connections

Embed Plate Timber / Mass-Timber Connection

About this detail

A new mechanical equipment curb is mounted above an existing concrete wall topped with an existing nailer, with existing roof sheathing and sub-purlins framing adjacent to the wall. A new four-by-sixteen pressure-treated blocking is positioned between sub-purlins and secured to the concrete wall using two three-quarter-inch diameter threaded rods on each side of the beam anchored with Simpson SET-3G epoxy at a six-inch minimum embedment, totaling four threaded rods. Additionally, a new three-eighth-inch diameter threaded rod spaced at twenty-four inches on center maximum with Simpson SET-3G epoxy and a three-inch minimum embedment anchors the curb assembly, centered in the width of the concrete wall. The new mechanical unit curb is installed per the manufacturer for maximum operating weight.

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