Two Seismic Standards Up for Limited Public Review

Drafts of two AISC specifications are now available for limited public review and comment.

AISC Seismic Provisions for Structural Steel Buildings (AISC 341) apply to the design, fabrication, and erection of structural steel and composite steel and concrete seismic force-resisting systems. Table D1.1b is available for public comment from April 1 to May 1, 2022.

AISC Seismic Provisions for Evaluation and Retrofit of Existing Structural Steel Buildings (AISC 342) are intended to be used with ASCE/SEI 41 for the seismic evaluation and retrofit of existing structural steel buildings. Table C4.2 is available for public comment from April 1 to May 16, 2022.

AISC expects to finalize and release both documents later this year.

The draft standards are available as free downloads at during the periods noted here. Printed copies are also available by contacting Martin Downs at

Please submit comments for consideration using the forms provided online at to Cynthia J. Duncan, AISC's senior director of engineering (, by the deadline indicated for each standard.