Design of Multi-Story Cold-Formed Steel Buildings: Code Updates and Practical Considerations from the SEAOC 2024 IBC Structural/Seismic Design Manual, Volume 2

This presentation provides a practical overview of code provisions relevant to the design of CFS lateral-resisting systems, illustrated through a three-story CFS-framed building. Topics include floor framing system selection, overturning restraint design and detailing, wall stud bracing, and application of overstrength and expected-strength factors.

The presentation draws on the SEAOC SSDM design example, updated for the 2024 IBC and referenced AISI S100/S200-series standards, with a focus on practical design and detailing considerations for structural engineers.

Speaker:

Jeff Ellis, P.E., S.E., is a licensed Civil and Structural Engineer with more than 30 years of experience in structural design, engineering leadership, and codes and standards. He has been with Simpson Strong-Tie since 2000 and currently serves as Engineering Department Operations Manager. Jeff is a SEAOC Fellow and has held leadership roles with SEAOSC, CFSEI, AISI, and ICC-ES. He is also an author and frequent presenter on structural design and codes and standards.

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