A slotted steel beam connects to the web of an existing steel beam using an L4x4x3/8 angle bolted with two 7/8-inch diameter A325N bolts. The connection detail features a quarter-inch fillet weld applied to three sides of the connection plate. Dimensioning indicates standard spacings of one and a half inches and three inches for the bolt pattern, with a two-inch slot dimension. The structural modification ties new steel framing into existing structural steel elements.
2" SLT BM'S 1 1/2" 3" 1 1/2" L4x4x3/8 W/ (2) 7/8" 0 A325N - SEE 1/4 (3) SIDES NEW TO (E) STL BM PER (E) STL BM 8 S-501 1 S-501
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