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Guidelines for Post-Earthquake Repair and Retrofit of Buildings Based on Assessment of Performance-Critical Damage (FEMA P-2335)
is now available!

 

 

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The assessment and retrofit provisions in FEMA P-1100 Prestandard are applicable for dwellings assigned to Seismic Design Category (SDC) B through E. Further, the prescriptive retrofit provisions of the FEMA P-1100 Prestandard are provided for SDS values determined based on the mapped SDC, as follows:

  • For SDC B through D1, SDS shall be taken as 1.0
  • For SDC D2, SDS shall be taken as 1.2
  • SDC E, SDS shall be taken as 1.5

The following are geolocated maps that are searchable by latitude/longitude coordinates, developed by the U.S. Geological Survey.  Click to download the map relevant to your location, search instructions are provided within the PDF:

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2014 South Napa Earthquake

FEMA P-1024 report, Performance of Buildings and Nonstructural Components in the 2014 South Napa Earthquake

FEMA P-1024/RA1, South Napa Earthquake Recovery Advisory: Repair of Earthquake-Damaged Masonry Fireplace Chimneys

FEMA P-1024/RA2, South Napa Earthquake Recovery Advisory: Earthquake Strengthening of Cripple Walls in Wood-Frame Dwellings

Resilience of Lifeline Systems

ATC-102 Project report, Earthquake Resilient Lifelines: NEHRP Research, Development, and Implementation Roadmap (NIST GCR 14-917-33)

ATC-126 Project report, Critical Assessment of Lifeline System Performance: Understanding Societal Needs in Disaster Recovery (NIST GCR 16-917-39)

Rapid Visual Screening Tools

FEMA P-154, Rapid Visual Screening of Buildings for Potential Seismic Hazards

FEMA P-155, Rapid Visual Screening of Buildings for Potential Seismic Hazards: Supporting Documentation

www.roverready.org

Windspeed and Ground Snow Load by Location Websites

http://windspeed.atcouncil.org/

http://snowload.atcouncil.org/

 

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The following errata are available for download by clicking on the icon.

 

pdfATC-133 NIST GCR 17-917-17, NEHRP Seismic Design Technical Brief No. 13, Seismic Design of Precast Concrete Diaphragms: A Guide for Practicing Engineers: Applicable for reports sold or distributed before September, 2017.

 

pdfATC-131 NIST GCR 16-917-38, NEHRP Seismic Design Technical Brief No. 12, Seismic Design of Cold-Formed Steel Lateral Load-Resisting Systems: A Guide for Practicing Engineers: Applicable for the August, 2016 version of the report.

 

pdfATC-110 FEMA P-1100 Report, Vulnerability-Based Seismic Assessment and Retrofit of One- and Two-Family Dwellings: Applicable for reports sold or distributed before December 2019.

 

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ATC-72-1, Modeling and Acceptance Criteria for Seismic Design and Analysis of Tall Buildings: Corrections to Equation 3-2 (page 3-14) and Equation 4-9 (Page 4-31) applicable to the 2010 version of the report sold or printed before September 1, 2016. 


pdfATC-63 Quantification of Building Seismic Performance Factors, FEMA P-695 Report: Applicable for June, 2009 version of printed report.

 

pdfATC-60 Commentary on Wind Code Provisions, Volume 1, First Printing: Applicable for reports sold or distributed before November, 2004.

 

pdfATC-38 Database on the Performance of Structures Near Strong-Motion Recordings, 1994 Northridge California, Earthquake: Applicable for reports sold or distributed before August, 2003.

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