Structural · S-HKPYC

Concrete Slab Opening Trim Reinforcement and Framing Details

Materials

Reinforced Concrete Steel Metal (misc.)

Elements

Floors / Slabs Decks Reinforcing Roof / Floor Openings

Connections

Rebar Splice / Development

About this detail

Trim reinforcement and framing requirements for penetrations and core holes in a concrete slab on metal deck include wide-flange beams, channel members, typical slab reinforcement, and specific trim reinforcing bars sized according to the opening width. Two number five bars are placed in each side of the hole group and extended twelve inches past the down flute. Additional number four bars are placed between holes, with all trim bars extending beyond the opening edge for a distance equal to the development length. Notes specify requirements for canned or cored holes, coordination with MEP trades, and miscellaneous steel support installed on the underside of the deck.

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