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  1. Kgrundahl

    Wood Truss lateral bracing

    The answer to the question on participation includes the following concepts: 1) Not everyone desires to spend the time needed to read, digest, comment, improve and vote on the entire TPI design standard and that is the role of a pure project committee member and it does take time and industry...
  2. Kgrundahl

    Wood Truss lateral bracing

    For the sake of accuracy, here is a listing of the engineers that participated in the consensus process or provided very important and valuable contributions to Chapter 2. Mr. Michael Kozlowski, P.E. Apex Technology Mr. Tom Zgraggen, P.E. Aries Engineering, Inc. Mr. Colin Bailey, P.E. Baily...
  3. Kgrundahl

    Wood Truss lateral bracing

    Sorry, I guess my comment was viewed out of line. Just hope that everyone considers the work that has been done in this realm as work that has been the best work we can do at arriving at a consensus with the intention of good being done for the industry overall. If not that is OK as well.
  4. Kgrundahl

    Wood Truss lateral bracing

    Probably good to re-read this post and actually read the material referenced in this post. The various responsibilities can get done professionally and the people responsbile for the various jobs can get paid for the professional work that they are doing if everyone desires that to be the...
  5. Kgrundahl

    Wood Truss lateral bracing

    ctcray, We believe that 2% is a pretty conservative number. Kirk
  6. Kgrundahl

    Wood Truss lateral bracing

    If you want to undertake CLR design you can: 1) Use 2% of the max. axial compression force and accumulate it to a diagonal brace to the diaphragm or some type of bearing. 2) You can use BCSI B3 standard permanent bracing details. 3) You can use T, L or scab bracing of the web members. 4) You can...
  7. Kgrundahl

    Wood Truss lateral bracing

    Typically the the size, grade, and connection for continous lateral restraint (CLR) (laterals are not bracing diagonals are, fyi) are provided on the Truss Design Drawing for the web members that need a CLR (typically a 2x4 with 2 16d nails) along with the maximum axial compression force in the...
  8. Kgrundahl

    Wood Truss lateral bracing

    WTCA and TPI have worked very hard to define reasonable responsibilities for all parties involved in the construction process. The latest version of ANSI/TPI 1 Chapter “Responsibilities in the Design and Application of Metal Plate Connected Wood Trusses” can be found at this link --...
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