Architectural · A-GGEJN

Acoustical Ceiling Seismic Bracing and Compression Post Detail

Materials

Concrete

Elements

Columns Ceilings Floors / Slabs Bracing

Connections

Bracing Connection Bolted Connection

About this detail

A seismic compression post and splay wire assembly for a suspended acoustical ceiling system is anchored to the underside of a concrete slab. The compression post consists of an inner member "A" and an outer rigid conduit receiver member "B", secured with two #10-16 x 1/2" self-tapping screws. The top of the post attaches to the overhead concrete structure using a #10-12 self-tapping screw. The bottom of the post features a slotted end of tube fitting over the main tee, with four 12-gauge splay wires bracing the runners at forty-five-degree angles within two inches of the intersection. Member sizes and maximum lengths are determined by the compression post schedule provided on the drawing. Additional requirements specify attaching vertical hanger wires with a minimum of three tight turns in one and a half inches.

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