This assembly features roof joists supported by a wide-flange column, with stabilizers installed per typical detail. A joist girder is positioned above the column, featuring a three-sixteenths inch by two inch by six inch tie plate centered over the joist splice. The tie plate is secured with a one-eighth inch fillet weld, which is typical for this connection. The roof deck is installed over the joist girder, with size and attachment specified per the project schedule. This tie plate configuration is required at all joist-to-joist connections occurring at main building columns on grid lines.
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