Answer:
The default Design Situations (DS1 and DS2) do not include the seismic load combinations. To add the seismic COs, add new Design Situations with design situation type “Section 2.3 (LRFD), 6 and 7” and/or “Section 2.4 (ASD), 8 to 10” (Image 1).
Under the Load Combinations tab, the generated seismic COs are shown.
