This assembly shows a roof expansion joint occurring at a grid line between two steel joists supporting metal roof decking. The joists are positioned to allow for thermal movement, with specific plate and deck connection details referenced to detail 11 on sheet SE702. The joist bridging is specified as cross bridging provided by the joist supplier. Typical connections include 3/16-inch fillet welds and 1-inch diameter bolts for the L4x4x5/16 angle members. A 1/2-inch by 5-inch plate is utilized at the deck interface.
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