Have an attendance code? Sign In to enter it. This live web event has ended. Thank you for attending. Contributors 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.