Page 207 - Forensic Structural Engineering Handbook
P. 207
THE ENGINEERING INVESTIGATION PROCESS 6.9
FIGURE 6.6 Detailed photographs of truss top chords enabled a determination
of the number and location of all bar joists that had been welded to provide lat-
eral bracing prior to the roof collapse that occurred during construction.
FIGURE 6.7 Notations made at the collapse site can be invaluable in documenting the post-
collapse condition of the structure.
