Structural · S-PKMBG

Temporary Slab Blockout and Curtain Wall Embed at Steel Deck Edge

Materials

Concrete Reinforced Concrete Masonry / CMU

Elements

Walls Curtain Walls Floors / Slabs Decks Trusses Bracing Anchors / Embeds Reinforcing

Connections

Bracing Connection Rebar Splice / Development Embed Plate

About this detail

A temporary slab blockout is formed at the concrete and metal deck edge with a one-inch minimum clearance and a maximum three-inch depth, set for a curtain wall connection embed provided by the curtain wall supplier. The contractor provides a notch in the edge form and subsequently fills the blockout with grout having a minimum compressive strength of 4,000 psi. Additional reinforcement consists of two continuous number four bars placed below the blockout with lap lengths as required, alongside number four bars at eighteen inches minimum spacing placed to avoid the blockout. Grade 60 ASTM A706 dowel bars at twelve inches minimum spacing hook at the slab edge, supporting a brace or truss diagonal framing into the beam or truss chord.

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