Prequalified Moment Connection Standard Supplement Available for Public Review

January 12, 2018

(Chicago, IL) - The first supplement 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 March 2, 2018. This document includes an additional prequalified connection, the SSDA Slotted Web moment connection, updates the Chapter 10 ConXtech Con XL moment connection and expands the scope of prequalification for the Chapter 11 SidePlate moment connection.

The standard supplement and review form are available for download at Hard copies are also available (for a $35 nominal charge) by contacting AISC's Rachel Jordan at 312.670.5411 or Please submit comments using the online form to AISC's Margaret Matthew ( by March 2 for consideration.


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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