Four seismic wire rope cables are anchored symmetrically at forty-five degree typical angles to the corners of the ceiling hung equipment support member. Vertical support rods extend upward from the equipment support frame to the building structure with a thirty to ninety degree angle relative to the structure as specified in the table. The installation provides four-way lateral sway bracing for suspended mechanical units.
EQUIPMENT SEISMIC WIRE ROPE/CABLE BRACING 4-WAY SWAY BRACING OF CEILING HUNG EQUIPMENT PLAN VIEW EQUIPMENT ELEVATION SUPPORT MEMBER HUNG CEILING TO STRUCTURE SUPPORT RODS SEE TABLE 30° TO 90° EQUIPMENT TYP. OF 4 CEILING HUNG TYP. 45° MEMBER SUPPORT
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