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Slide 33
    TEXT VERSION OF SLIDE:

    Title: Tube and Coupler
    Type: Text Slide with Image
    Content:

    • When platforms are being moved to the next level, the existing platform must be left undisturbed until the new bearers have been braced and set in place
    • Couplers must be made of a structural metal
    • Couplers made from gray cast iron is prohibited
    • Designed by P.E. if over 125 feet
    [Includes illustration of a tube and coupler scaffold]

    Speaker Notes:

    Tube and coupler scaffolds are so-named because they are built from tubing connected by coupling devices. Due to their strength, they are frequently used where heavy loads need to be carried, or where multiple platforms must reach several stories high. Their versatility, which enables them to be assembled in multiple directions in a variety of settings, also makes them hard to build correctly.