Now Available! Update of FEMA P-58 Series

ATC is pleased to announce the availability of the FEMA P-58 Series, Seismic Performance Assessment of Buildings, Methodology and Implementation, prepared by the Applied Technology Council (ATC) for the Federal Emergency Management Agency (FEMA).

FEMA P-58 Volumes 1-3 were originally published in 2012. A revised version of these volumes, plus four new volumes, new tools, and background documentation are all now available for immediate download.

Now Available!

FEMA P-2012, Assessing Seismic Performance of Buildings with Configuration Irregularities

Chris Rojahn, Director Emeritus for the Applied Technology Council (ATC), will be honored as the 2017 Alfred E. Alquist Special Recognition Medal winner at the 2017 EERI Annual Meeting in Portland, Oregon on March 9.

The Alquist Medal is awarded to an individual, company, or organization that has made substantial contributions to the field of seismic safety and earthquake risk reduction, having directly affected the seismic safety of the general population. The Alquist Medal recognizes career contributions or notable and/or singular achievements: a significant contribution to the public good is the primary selection criterion.

ATC is proud to say that Mr. Rojahn led the company for 34 years as its Executive Director until his recent retirement. Since joining ATC in 1981, Mr. Rojahn served as Principal Investigator/Project Manager/Senior Advisor on more than 50 major projects involving earthquake and natural hazard mitigation issues.

Mr. Rojahn is also committed to the application of the science and safety of the people and has become true voice of the profession, testifing before the U. S. Congress and advising the White House Office of Science Technology Policy on issues relating to earthquake hazard mitigation.

"Mr. Rojahn’s career exemplifies the attributes of Alquist Award recipients who have advanced seismic risk reduction through the integration of science, practice, education and public policy." - EERI "Pulse" Newsletter

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What's New?


What's New? The ATC Hazards by Location website allows the user to find site-specific basic wind speeds, ground snow loads, tornado design wind loads, and seismic loads used in the standards published by the American Society of Civil Engineers, National Earthquake Hazards Reduction Program, and International Building Code. This website was developed with the financial help of the ATC Endowment Fund, Federal Emergency Management Agency (FEMA), Insurance Institute for Business & Home Safety (IBHS), and Metal Building Manufacturers Association (MBMA), and is free of charge to users.

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Available Products. The library of completed ATC products includes more than 100 publications on key issues in structural, earthquake, wind, and coastal engineering.  Some are available as free downloads and others can be purchased through ATC’s newly updated online store.   More…

Projects. With funding from various government agencies and the ATC Endowment Fund, ATC is actively engaged in a broad range of funded technical projects to mitigate the effects of natural and other hazards on the built environment.

Events. Periodically ATC conducts seminars, conferences, workshops, webinars, and other meetings to document and advance the state of structural engineering practice and to identify research needs.  Registration for these events can be made through the “Events” section of this website.  ATC also has the ability to provide an instructor to conduct your ATC-20 and ATC-45 in-person trainings, and information about these options is available under On Demand Training in the Product menu above.