Mechanical · M-M3KP2

HVAC Duct Seismic Bracing and Angle Support Details

Materials

Steel Metal (misc.)

Elements

Bracing Connections / Plates

Connections

Bracing Connection Bolted Connection

About this detail

Seismic bracing and support assembly for HVAC ductwork using vertical, horizontal, and diagonal structural angle sections sized per schedule. The duct is fastened to the supporting angles using three-sixteenth-inch self-tapping sheet metal screws spaced at a maximum of eighteen inches on center. Diagonal and longitudinal angle braces connect back to structural supports with a maximum clearance of two feet eight inches, utilizing bolted connections with sizing per schedule. An alternative aircraft cable bracing option is provided for use on both sides of the ductwork.

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