AISC Releases New Seismic Standard for Existing Steel Buildings

May 25, 2023


CHICAGO - A brand new standard, Seismic Provisions for Evaluation and Retrofit of Existing Structural Steel Buildings (ANSI/AISC 342-22), is now available as a free download from

The AISC Committee on Specifications developed and approved the document as a revision to the structural steel provisions in the 2017 edition of ASCE/SEI 41, Seismic Evaluation and Retrofit of Existing Buildings. The next release of that standard will likely adopt ANSI/AISC 342-22 in chapter 9.

"ANSI/AISC 342-22 provides vital updates to the existing provisions," said James Malley, chair of the AISC Committee on Specifications and a senior principal at Degenkolb Engineers. "ASCE/SEI 41 is a crucial standard for public safety and therefore it's absolutely critical that it reflects the latest structural steel research and understanding. I'd like to thank the members of the Committee for devoting their expertise to develop ANSI/AISC 342-22 over the course of the last seven years."

ANSI/AISC 342-22 and the related commentary are available in PDF form at

The document is free to download; a printed version will be available for purchase from this summer.


For more information contact:

Dani Friedland
Director of Marketing Communications

American Institute of Steel Construction

The American Institute of Steel Construction, headquartered in Chicago, is a non-partisan, not-for-profit technical institute and trade association established in 1921 to serve the structural steel design community and construction industry. AISC's mission is to make structural steel the material of choice by being the leader in structural steel-related technical and market-building activities, including specification and code development, research, education, technical assistance, quality certification, standardization, market development, and advocacy. AISC has a long tradition of service to the steel construction industry of providing timely and reliable information. 

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