Architectural · A-8F3WW

Elevator and Mechanical Shaft Wall Head and Sill Detail

Materials

Concrete Steel Timber / Wood Metal (misc.)Gypsum / Drywall

Elements

Walls Partitions Ceilings Floors / Slabs Decks Insulation Site / Paving Anchors / Embeds

Connections

Deck Attachment Embed Plate

About this detail

Elevator or mechanical shaft partitions meet concrete floor slabs and metal decks at head and sill conditions. The metal runner track is anchored to the concrete slab or deck using powder-actuated Hilti X-U fasteners spaced at twenty-four inches on center with a one-and-one-quarter-inch minimum embedment per ESR-2269. The wall cavity features a one-inch shaft liner, acoustical batt insulation, and gypsum board layers per schedule, supplemented by compressed mineral wool batt insulation at the head of the wall. Continuous firestop forming and spray are applied to both sides at the head of the wall to maintain rated assembly performance under UL Design HW-D-0569 and main wall condition UL Design W419. At the sill, a six-inch concrete curb is provided where required per the slab plan, complete with base trim and a three-quarter-inch maximum continuous two-hour fire sealant.

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