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Free Webinar on Seismic Evaluation and Retrofit of Multi-Unit Wood-Frame Buildings with Weak First Stories (FEMA P-807)


Wednesday, April 25, 2018
12:00 pm – 1:30 pm Pacific
Registration Fee: Free
1,000 registrations (sites) maximum

To register, click here.

Purpose. The purpose of the webinar is to provide an overview of FEMA P-807, Seismic Evaluation and Retrofit of Multi-Unit Wood-Frame Buildings with Weak First Stories, developed by the Applied Technology Council for the Federal Emergency Management Agency (FEMA) in 2012. These guidelines provide cost-effective retrofit procedures for a vulnerable class of buildings with a history of poor performance in earthquakes. These buildings typically have weak ground stories with few walls, required to accommodate parking or commercial uses. The upper structure, with numerous walls, tends to be strong, but brittle. This relative weakness concentrates damage and deformations in the ground story. These structures are prevalent in the seismically active regions of the Pacific Northwest and California. The guidelines have been developed to be easy to use while providing a practicable and cost-effective means to reduce damage and the risk of collapse. Sophisticated and extensive nonlinear response history analyses form the technical basis of the guidelines; however, the procedure itself is straightforward and prescriptive.

Intended Audience. This webinar on FEMA P-807 has been designed for building officials, engineers, architects and others who need information on seismic retrofit of weak-story, wood-framed buildings.

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Webinar Presenters.‎ David Mar‎ is President of Mar Structural Design. He graduated from U.C. Berkeley with a BS and MS in Structural Engineering and has over thirty years of experience. His work with ATC includes serving as the Project Technical Director on several projects, including the ATC-71-1 Project which produced the FEMA P-807 report, Seismic Evaluation and Retrofit of Multi-Unit Wood-Frame Buildings with Weak First Stories.

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Mike Korolyk is a principal at Tipping Structural Engineers. Mike was the primary force behind the analytic framework and execution of FEMA P-807, Seismic Evaluation and Retrofit of Multi-Unit Wood-Frame Buildings with Weak First Stories. Furthermore, Mike conceptualized and developed the Weak-Story Tool, the software program accompanying the Guidelines. Mike earned his BS in Civil Engineering and his MS in Structural Engineering at the University of California, Berkeley.

Professional Development Hours (PDHs). Each participant of the FEMA P-807 webinar will receive an electronic certificate documenting 1.5 PDHs. Each additional participant sharing the registrant’s computer may obtain PDH documentation using a form that will be provided following the webinar.

Registration Information. The webinar is free to all who register, and limited to 1,000 registrations. To register, click here.

Webinar Handouts. Registrants may download a pdf of the webinar presentation here, and a copy of the FEMA P-807 report may be downloaded here in pdf format. U.S. participants may request hard copies of the report from the FEMA warehouse free of charge by calling 1-800-480-2520. Expedited and international orders may be made through the ATC Online Store by clicking here.


About *NETAP. This Webinar is funded by the Federal Emergency Management Agency (FEMA) National Earthquake Technical Assistance Program (NETAP), which is a mechanism for delivering direct assistance to the public to increase their knowledge and ability to analyze their risk, make a plan, and take actions aimed at reducing their earthquake risk and supporting overall community resilience. NETAP is not a grant or cooperative agreement program, but a contract managed by FEMA to rapidly deploy training and technical assistance to organizations and communities. For more information about NETAP please visit the FEMA website by clicking here. To see NETAP Training Schedule of both in-person and webinar events, click here.


2018 ATC Webinar Program. The 2018 ATC Webinar Program is under development. To view upcoming scheduled and tentative webinars being planned, please click here.

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