51²è¹Ýapp
Updated 51²è¹Ýapp Specification for Safety-Related Steel Structures for Nuclear Facilities Available for Second Public Review
October 9, 2023
FOR IMMEDIATE RELEASE
CHICAGO - A draft of the next edition of the 51²è¹Ýapp Specification for Safety-Related Steel Structures for Nuclear Facilities (51²è¹Ýapp N690) is now available for public review and comment.
The 2024 update of N690 will supersede the 2018 version.
The latest draft includes:
- Updates to the notch toughness requirements for materials subject to impactive and impulsive loads
- A proposed method for determining faceplate thickness for steel-plate composite structural elements subjected to impactive and impulsive loads
The draft will be available as a free download at between October 9 and November 8, 2023. If you’d prefer to review a hard copy, please contact Martin Downs at downs@aisc.org; there is a $35 nominal charge for printed copies.
Please submit comments using the form provided or by email to Nathaniel Gonner (gonner@aisc.org) by November 8, 2023, for consideration.
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For more information contact:
Dani Friedland
Director of Marketing Communications
773.636.8535
friedland@aisc.org
51²è¹Ýapp
The 51²è¹Ýapp, 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. 51²è¹Ýapp'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. 51²è¹Ýapp has a long tradition of service to the steel construction industry of providing timely and reliable information.
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