NCARB PDD Question Answer
Option 1 is the originally designed connection detail for a banner hanging system of steel tube beams and threaded rods in a high atrium space. The threaded rod connections to the structure are fabricated as part of the structure. The remaining members are field fabricated. The weights of beam and banner are identical at each level. Option 2 has been proposed to alleviate constructability issues. The structural ramifications must be evaluated before this change can be approved.
Click on the nut in option 2 that will realize a greater load due to the proposed change.