Structural · L-VDPMF

Mechanical Equipment At Beam

Materials

Steel Timber / Wood

Elements

Anchors / Embeds Beams Roofs Site / Paving

Connections

Base Plate / Anchorage Bolted Connection Embed Plate Timber / Mass-Timber Connection

About this detail

Mechanical equipment is supported by a curb resting on a six-by-six minimum pressure-treated Douglas fir sleeper along the mechanical equipment curb or skid. A cross-laminated timber roof panel bears on a glulam beam sized per plan, with typical panel-to-beam connection screws and panel edges occurring at the centerline. Five-eighths-inch diameter hot-dip galvanized lag screws anchor the equipment at a six-inch minimum spacing and twenty-four-inch maximum spacing between bolts, providing a maximum allowable stress design withdrawal uplift capacity of 2,500 pounds and a shear capacity of 550 pounds. The design requires a minimum of two and one-half inches of end distance to the end of the curb and glulam, with a six-inch minimum embedment into the supporting beam.

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