Structural · S-TE6GR

Small Metal Deck Opening Reinforcement Detail

Materials

Elements

Beams Decks Reinforcing Roof / Floor Openings

About this detail

Reinforcing requirements for small openings under two feet wide cut into a concrete-filled metal deck. Openings are framed with C4x5.4 channels placed open side up on top of the deck and extended three deck high flutes past the opening on each side. Additional number three bars extend one foot six inches minimum past each edge of the opening, and number four bars three feet long are placed diagonally at each corner. Where the edge of an opening falls within six inches of steel framing below the deck, supplemental reinforcement is omitted. Openings are blocked out with the deck left intact during the concrete pour and removed afterward.

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