Structural · S-JZRRK

Roof Framing and Support Detail for Rooftop Equipment

Materials

Steel Glass / Glazing

Elements

Beams Roofs Decks Arches Waterproofing / Flashing Anchors / Embeds

Connections

Base Plate / Anchorage

About this detail

Typical roof framing assembly for rooftop equipment units supported by structural steel channels spanning over roof beams and steel deck. The assembly consists of MC6x18 channels placed perpendicular to the roof beams, spaced at a maximum of eight feet on center, and supported by MC8x21.4 channel segments centered on the top flange of the underlying steel beams. Additional MC6x16.3 channels run parallel to the roof beams and are centered below the equipment legs. Fillet welds of three-sixteenths inch size secure the connection elements at typical locations. The rooftop equipment base, legs, and their structural anchorage are provided by others.

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