Structural · S-ACJ7C

Typical Metal Deck Welding and Openings

Materials

Concrete Steel Metal (misc.)

Elements

Beams Floors / Slabs Decks Reinforcing Roof / Floor Openings

Connections

Welded Connection Deck Attachment

About this detail

Metal deck welding conditions comprise lap joints, butt joints, end bearings, and intermediate bearings over supporting steel beams. A weld schedule specifies five-eighths inch diameter welds at twenty-four inches on center, twelve inches on center, or at each flute, with one and one-half inch length welds noted per sheet instructions. Additional plan details indicate framing dimensions and reinforcement angles for deck penetrations cutting adjacent webs. Angles sized at one and three-quarters by one and three-quarters by one-quarter inch are placed on top of the deck and extend three webs past deck openings. Contractor has the option to use number ten self-tapping screws in lieu of welds where specifically noted.

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