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Project Title: Update of General Guidelines for the Assessment and Repair of Earthquake Damage in Residential Woodframe Buildings and Development of Additional Engineering Guidelines

Client: California Earthquake Authority

Purpose: To update the Consortium of Universities for Research in Earthquake Engineering (CUREE) Publication No. EDA-02, General Guidelines for the Assessment and Repair of Damage in Residential Woodframe Buildings, and to complete the initial draft of CUREE Publication No. EDA-06, Engineering Guidelines for the Assessment and Repair of Earthquake Damage in Residential Woodframe Buildings.

Overview: This project produced the CEA-EDA-01 report, Earthquake Damage Assessment and Repair Guidelines for Residential Wood-Frame Buildings, Volume 1 – General Guidelines, and the CEA-EDA-02 report, Earthquake Damage Assessment and Repair Guidelines for Residential Wood-Frame Buildings, Volume 2 – Engineering Guidelines. 

The Earthquake Damage Assessment and Repair Guidelines for Residential Wood-Frame Buildings describe the process of identifying, evaluating, and repairing common earthquake damage in typical residential wood-frame houses and are intended to increase the efficiency, consistency, and reliability of the earthquake damage assessment and repair process.  The documents are an integrated two-volume series that cover common earthquake damage, including cosmetic and structurally significant damage, as well as earthquake-induced permanent ground deformation.

Volume 1 (CEA-EDA-01) is intended to be used by insurance claim representatives, building contractors, homeowners, and others familiar with construction and repair. Volume 2 (CEA-EDA-02) is intended to be used by structural and geotechnical engineers, and others with relevant technical experience. The Guidelines help users create a conceptual scope of repair for a wood-frame house damaged by an earthquake.

The documents build and expand upon previous work conducted through the Consortium of Universities for Research in Earthquake Engineering (CUREE), which led to the publication of two documents for the assessment and repair of earthquake-damaged residential wood-frame buildings. These documents, commonly referred to as the CUREE Guidelines, have now been superseded by the two-volume series, Earthquake Damage Assessment and Repair Guidelines for Residential Wood-Frame Buildings.

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Project Title: Soil Structure Interaction Design Guide

Client: Federal Emergency Management Agency (FEMA)

Purpose: Soil-structure interaction (SSI) can make a substantial difference in how buildings behave during earthquake shaking and how they should be designed, and ASCE/SEI 7-16 and in ASCE/SEI 41-17 include provisions that can be used to address SSI. This project developed FEMA P-2091, A Practical Guide to Soil-Structure Interaction,  presenting information regarding SSI as implemented in code provisions but in an easy-to-understand, concise format targeted toward practicing engineers to help them determine when SSI effects are of importance and show them examples of how to implement them in design.

This project produced the following report:

FEMA P-2091, A Practical Guide to Soil-Structure Interaction

 

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Project Title: Seismic Performance-Based Assessment of School Infrastructure in the Kyrgyz Republic

Client: World Bank

Purpose: To provide technical support in the prioritization process and definition of intervention strategy to reduce the seismic vulnerability of school infrastructure in the Kyrgyz Republic. The intervention strategy will be supported by results of targeted field inspections, and analytical work on seismic performance of school infrastructure in the Kyrgyz Republic. Specifically, this project will: (1) identify and characterize common structural typologies of school infrastructure in the country; (2) identify optimal strategies to improve the seismic performance of the common structural typologies; and (3) inform prioritization of schools to be intervened under the World Bank’s “Enhancing Resilience in Kyrgyzstan (ERIK)” project.

This project produced the ATC-142 report, Safety Prioritization of School Buildings for Seismic Retrofit using Performance-Based Risk Assessment in the Kyrgyz Republic

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Project Title: Update of Seismic Evaluation and Retrofit of Existing Buildings Guidance

Client: Federal Emergency Management Agency

Purpose: To investigate and address technical issues regarding the evaluation and retrofit of existing buildings and develop material for the expanded FEMA design applications document that will replace the current FEMA 275 Design Examples document.

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Project Title: Support of Performance-Based Seismic Design of Buildings

Client: Federal Emergency Management Agency

Purpose: To develop materials necessary to encourage and assist in the use of performance-based seismic design products and tools developed under previous phases of the ATC-58 series of projects.

The ATC-138 project is developing a methodology to assess functional recovery using the FEMA P-58 methodology. For the latest information click here

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 Welcome to the ATC Team!

Valley Mike cropMichael Valley As a former Principal at Magnusson Klemencic Associates in Seattle, Mike Valley comes to ATC with more than 30 years of structural engineering experience in new design, evaluation and retrofit of existing buildings, applied research, and codes and standards development. Mike’s design experience includes the landmark Salesforce Tower in San Francisco, and his research and development experience includes the FEMA 356 Prestandard and Commentary for the Seismic Rehabilitation of Buildings, FEMA P-2012 Assessing Seismic Performance of Buildings with Configuration Irregularities (ATC-123 Project), and NIST GCR 10-917-9 Applicability of Nonlinear Multiple-Degree-of-Freedom Modeling for Design (ATC-76-6 Project).

Mike also has extensive experience as an ATC consultant serving as a reviewer, a technical contributor, and Project Director on multiple ATC projects. We look forward to how Mike’s unique experiences as a successful team member will contribute to ATC projects in the future.

Michael Mahoney
Michael Mahoney

Retired from federal service as a Senior Geophysicist with the Federal Emergency Management Agency (FEMA), Mike Mahoney comes to ATC with more than 30 years of experience in hazard mitigation program management and policy development, post-disaster response and recovery, and problem-focused research and development in support of FEMA’s efforts under the National Earthquake Hazards Reduction Program (NEHRP). He has led FEMA’s earthquake-related work with the International Code Council and has been involved with the development of national model codes and standards since 1984.

In his career at FEMA, Mike has led the development of countless major FEMA publications, including: FEMA 350 Recommended Seismic Design Criteria for New Steel Moment-Frame Buildings and its series of companion reports (ATC-41 Project series), FEMA P-58 Seismic Performance Assessment of Buildings, Methodology and Implementation (ATC-58 Project series), FEMA P-695 Quantification of Building Seismic Performance Factors (ATC-63 Project), FEMA P-2018 Seismic Evaluation of Older Concrete Buildings for Collapse Potential (ATC-78 Project), and FEMA P-2090/NIST SP-1254 Recommended Options for Improving the Built Environment for Post-Earthquake Reoccupancy and Functional Recovery Time (ATC-137 Project). With Mike’s extensive knowledge of federal government programs, and past collaboration with state and local agencies, hazard mitigation partners, and code development organizations, we look forward to how his unique experiences will help serve ATC’s client needs and objectives in the future.