Above: Side View of Column 79 Seated Connection of Girder A2001 on Frankel Drawing #9114
(Figure 5 in William F. Pepper's Letter to the OIG)

Above: Adapted from NIST Figure 8-21 Showing Omitted Stiffener Plate in Red and Seat in Gray

Above: Stiffener Plate Welded to Girder A2001 Web and Flange at Column 79