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Draft of AISC Prequalified Connections Standard Now Available for Public Review

November 19, 2004 From American Institute of Steel Construction, Inc.

AISC Standard 358, Prequalified Connections for Special and Intermediate Steel Moment Frames for Seismic Applications, is now available for its third public review. The new Standard provides design, detailing, quality, and inspection requirements for prequalified beam-to-column connections in Special Moment Frames (SMFs) and Intermediate Moment Frames (IMFs). The Standard, when approved, will eliminate the need for project-specific qualification testing to substantiate connection designs for steel moment frames when connections are designed within the range of prequalification. Prequalification of connections is in accordance with Appendix P of the AISC Seismic Provisions for Structural Steel Buildings.

Only the following sections of the document are subject to public review, as other sections have been made available for public review previously without technical changes:

Section II: Glossary
Section 2.3: Members
Section 2.4: Connection Design Parameters
Section 2.6: Protected Zone
Section 3.3: Steel Backing at Beam to Column and Continuity Plate to Column Joints
Section 5.3: Prequalification Limits
Section 5.6: Beam Web-to-Column Connection
Section 6.4: Beam Parameters

Copies of the entire Standard can be downloaded for free by visiting www.aisc.org/AISC358. Or, you can purchase a copy for a nominal fee of $12 by calling 312-670-5411 or by e-mailing [email protected].

The deadline for submitting comments is January 2, 2004. Please submit your comments electronically to [email protected] using the review comment form, or mail to:
Christopher Hewitt
American Institute of Steel Construction, Inc.
One East Wacker Dr., Suite 3100
Chicago, IL 60601-2000.

Copies of the review form can be downloaded by visiting www.aisc.org/prdoc.

For more information contact:

Scott Melnick
VP of Communications
(312) 670-8314
[email protected]


American Institute of Steel Construction
The American Institute of Steel Construction, headquartered in Chicago, is a 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, and market development. AISC has a long tradition of service to the steel construction industry of providing timely and reliable information. 

130 East Randolph St. Suite 2000
Chicago IL 60601
Phone: 312.670.2400
Fax: 312.626.2402