What Caused These Roof Trusses To Collapse?

By: Benjamin Joyner, P.E.
February 28, 2007

Truss collapses can result from inadequate temporary bracing during installation.  Some key points to remember while investigating a truss collapse case:

• The truss installer is responsible for the handling, installation, and temporary bracing.
• Truss installers should be familiar with the installation practices detailed in BSCI 1-03:  The Guide to Good Practice for Handling, Installing and Bracing Metal Plate Connected Wood Trusses published by the Wood Truss Council of America (WTCA).
• Trusses over 60 feet are classified as long span trusses.  BCSI 1-03 suggests consulting a Professional Engineer for temporary bracing of long span trusses.

Assessing the truss installer’s knowledge and experience will aid in determining the cause of the truss collapse.

Benjamin Joyner, P.E., is a structural engineer with The Warren Group who has experience investigating truss collapses and can assist you in assessing structural failures and construction issues.  You can view is bio at http://www.warren-group.com?pn=44 or contact him at (888)827-7823 or benjamin@warren-group.com.