Structural · S-YBQRD

Metal Deck Opening and Reinforcement Plan Detail

Materials

Elements

Beams Decks Reinforcing Roof / Floor Openings

About this detail

Opening configurations and reinforcement criteria in metal floor or roof decks positioned above structural steel beams. Small holes under six inches in diameter cutting only one deck web require no reinforcement. Additional criteria dictate that openings within six inches of steel framing below also bypass reinforcement requirements. When multiple openings group closely together, angles such as L1-3/4x1-3/4x1/4 are placed on top of the deck and extended three deck webs past the opening for structural support.

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