Valuable Resources On Earthquake Retrofitting of One and Two-Story Dwellings

Each of these documents contains technical and engineering information that should help engineers and contractors in their respective professions.  If you have any documents you think would be beneficial to the public please send them to and I will post it here once I am granted consent.




Appendix A ; Masonry Guidelines for the Seismic Retrofit of Existing Buildings

A4-CEBC Soft Story Retrofits

International Existing Building Code:  2 pages retrofit section. 

Appendix A: Archaic Materials Allowable Loads Table

2006 Appendix Chapter A3 of The California Existing Building Code

2019 appendix Chapter A3 of the California Existing Building Code

1997 CBC

2019 CEBC wood frame

Section 2308 Light Frame Construction CBC

Archaic Materials Historic Code Todeable 8-8A

Archaic Materials Shear Value

Code History

Critique of Appendix Chapter A3 of the CEBC

Hillside Home Article

Hillside Home Retrofit Building Code

International Building Code Chapter 23

Los Angeles Building Code

National Design Specification

NDS Edge and End Distances

Special Design Provisions for Wind and Seismic

ICC cost comparison

1997 Handbook



FEMA: Vulnerability – Based Seismic Assessment and Retrofit of One and Two-Story Dwellings

FEMA P-1100 2A Plan Set

FEMA DR-4193-RA2  Earthquake Strengthening of Cripple Walls in Wood Frame Buildings. 

FEMA P-50-1 Seismic Retrofi t Guidelines for Detached, Single-Family,Wood-Frame Dwellings

PEER Research Studies for P-1100 Retrofit of One and Two-Story Dwellings

FEMA P-547  Techniques For The Seismic Rehabilitation of Existing Buidlings

FEMA Hawaii Retrofits

Standard Plan A

Standard Plan A Critique


International Existing Building Code Appendix Chapter A3  

Los Angeles  Standard Plan Number 1

Seattle’s Retrofit Guidelines 

Portaland’s Retrofit Guidelines 

Simpson StrongTie Plan Set

Simpson StrongTie Homeowner Guideline

Post and Pier Houses

Engineered Wood Construction Guide

GSREB Commentary






Hilti KBZ2 Info




Brick Foundation Retrofits

Existing Foundations

Foundation Capping




Homeowners Guide to Seismic Retrofitting

Journal of light Construction Article

Mudsill Connections Article

Retrofit Foundation Bolts-Article

Chronicle Article

Berkeley’s Retrofit Mess



ABAG Modified-Mercalli-Scale

01-2005 ICC Protocol

1946 Steel Manual

ABAG Training

ABAG Shaken Awake

ABK Methodology