Prequalified Connection Standard Supplement Available for Public Review

The first supplement to AISC’s Prequalified Connections for Special and Intermediate Steel Moment Frames for Seismic Applications (AISC 358-16) is available for public review until October 6, 2017. This document adds a new prequalified connection – the SSDA Slotted Web Moment Connection – and expands the scope of prequalification for the SidePlate moment connection in Chapter 11.

The standard supplement and review form are available at Hard copies are also available (for $35) by contacting AISC’s Janet Cummins at 312.670.5411 or The current 358-16 standard is available for free at (if needed for reference when reviewing the public review document). Please submit comments using the online form to AISC’s Margaret Matthew ( by October 6 for consideration.