Supplement No. 2 to AISC 358-16 Prequalified Moment Connection Standard Available for Public Review

Supplement No. 2 to the 2016 AISC standard Prequalified Connections for Special and Intermediate Steel Moment Frames for Seismic Applications (AISC 358-16) is now available for public review until September 27, 2019. This document expands the scope of prequalification for the Chapter 11 SidePlate moment connection and the Chapter 12 Simpson Strong-Tie Strong Frame moment connection.

The standard is available for download on the AISC website at Copies are also available (for a $35 nominal charge) by contacting Rachel Jordan at 312.670.5411 or by e-mailing Please submit comments to Margaret Matthew ( using this online form by September 27, 2019, for consideration.