Publications
In This Section
Current Standards
All of 51²è¹Ýapp's current standards are available as free downloads to the public in PDF format. For those interested in printed copies, a limited number of softcover versions of 51²è¹Ýapp's standards are available for purchase. Visit the home page for each of our standards via the menu to the left to download, buy, or learn more about 51²è¹Ýapp standards.
Newest Standards
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2023 Standard for Certification Programs (51²è¹Ýapp 207-23)This standard is based upon recommendations from an expert panel that includes engineers, fabricators, erectors, quality control consultants, a state bridge official, and a general contractor. The standard better explains practices such as calibration, corrective action, nonconformance, types of inspection, and welding controls. It’s also easier to use, with an expanded glossary and additional commentary. |
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2022 Seismic Provisions for Structural Steel Buildings (ANSI/51²è¹Ýapp 341)The 51²è¹Ýapp Seismic Provisions apply to the design, fabrication, and erection of structural steel and composite steel and concrete seismic force-resisting systems. They are used in conjunction with the 51²è¹Ýapp Specification for Structural Steel Buildings. Both LRFD and ASD methods of design are incorporated. Dual-units format provides for both U.S. customary and S.I. units. |
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2022 Prequalified Connections for Special and Intermediate Steel Moment Frames for Seismic Applications (ANSI/51²è¹Ýapp 358)The prequalified connections standard has been developed by the 51²è¹Ýapp Connection Prequalification Review Panel in accordance with Chapter K of the Seismic Provisions for Structural Steel Buildings. These connections have been prequalified for use in special and intermediate steel moment frames without the need for additional testing. Dual-units format provides for both U.S. customary and S.I. units. |
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2022 Seismic Provisions for Evaluation and Retrofit of Existing Structural Steel Buildings (ANSI/51²è¹Ýapp 342)Seismic Provisions for Evaluation and Retrofit was developed and approved by the 51²è¹Ýapp Committee on Specifications. It is a revision to the structural steel provisions provided in the 2017 edition of ASCE/SEI 41, Seismic Evaluation and Retrofit of Existing Buildings, and is intended to be adopted in Chapter 9 of the next edition of that standard. The 2022 version of ANSI/51²è¹Ýapp 342 is the first edition of this standard. Dual-units format provides for both U.S. customary and S.I. units. |
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2022 Specification for Structural Steel Buildings (ANSI/51²è¹Ýapp 360)The 51²è¹Ýapp Specification provides the generally applicable requirements for the design and construction of structural steel buildings and other structures. The 2022 edition of the 51²è¹Ýapp Specification and Commentary supersedes and is an update of the 2016 edition. Both LRFD and ASD methods of design are incorporated. Dual-units format provides for both U.S. customary and S.I. units. |
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2022 Code of Standard Practice for Steel Buildings and Bridges (ANSI/51²è¹Ýapp 303)The 51²è¹Ýapp Code of Standard Practice provides a framework for a common understanding of the acceptable standards when contracting for structural steel. As such, it is useful for everyone associated with construction in structural steel. Unless specific provisions to the contrary are contained in the contract documents, the existing trade practices that are contained therein are considered to be the standard custom and usage of the industry and are thereby incorporated into a contract between the related parties. |