Architectural · A-96RDC

Ceiling Splay Wire Connection Detail

Materials

Steel Gypsum / Drywall

Elements

Ceilings Bracing Anchors / Embeds Connections / Plates

Connections

Embed Plate

About this detail

Seismic splay wire bracing connection for a suspended gypsum board ceiling system attached to the underside of an overhead concrete-filled metal deck or structural slab. The assembly is anchored to the bottom of the structure above using a three-eighths-inch Hilti KB-TZ or equal expansion anchor with a minimum three-inch embedment and ICC number 1917, securing a one-inch-wide by two-inch-long twelve-gauge minimum steel strap. A splayed seismic braced wire connects to the strap with a maximum forty-five-degree angle, featuring a minimum of four tight turns in one and a half inches at both ends. The suspended ceiling framing consists of one-and-a-half-inch cold-rolled channels spaced at a maximum of four feet on center, supported by typical wire hangers spaced a maximum of forty-eight inches on center and within six inches of the ends of the carrying channels. Five-eighths-inch gypsum board is secured to furring channels spaced at a maximum of sixteen inches on center, with fasteners placed at a maximum twenty-inch on-center spacing. One out of every two anchors must be tested for four hundred and forty pounds in tension.

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