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Retrofitting of Existing Buildings with Steel Joists


This webinar will have three parts. Firstly we will discuss and show examples of joists needing to be retrofitted. Secondly, we will demonstrate methods to evaluate existing open web steel joists and Joist Girders for revised loading conditions. The last part will demonstrate the methods with examples of how to modify existing open web joists. This webinar parallels the Steel Joist Institute publication, Technical Digest No. 12 “Evaluation and Modification of Open Web Steel Joists and Joist Girders.


  • Bruce Brothersen, PE, SE

    Bruce Brothersen, PE, SE, has 31 years of experience in the Joist industry and currently works as a research engineer with Nucor. He is the Chairman of  the Steel Joist Institute Education Committee. He is also an adjunct instructor at Weber State University and an advisory committee member for the Civil Engineering department for Utah State University.

  • Walter Worthley, Jr., PE

    Walter Worthley, Jr., PE, is the Chief Engineer for Valley Joist Company. He is also a member of the Engineering Practice Committee and the Education Committee with Steel Joist Institute. He has taught seminars and webinars for SJI Education Programs and presentations at the NASCC: The Steel Conference with AISC.

December 10, 2020
Thu 10:00 AM PST

Duration 1H 30M

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