Appendix A — GUIDELINES FOR

THE SEISMIC RETROFIT OF EXISTING BUILDINGS . . . . . . . . . APPENDIX A-1

CHAPTER A1 SEISMIC STRENGTHENING

PROVISIONS FOR UNREINFORCED MASONRY BEARING WALL BUILDINGS . . . . . . . . . APPENDIX A-1

Section

TABLE OF CONTENTS

A114 Walls of Unburned Clay,

Adobe or Stone Masonry . . . . . .APPENDIX A-16

CHAPTER A2 EARTHQUAKE HAZARD

REDUCTION IN EXISTING REINFORCED CONCRETE AND REINFORCED MASONRY WALL BUILDINGS WITH FLEXIBLE DIAPHRAGMS. . . . . . APPENDIX A-17

Section

A201	Purpose . . . . . . . . . . . . . . . . . . . . . .APPENDIX A-19
A202	Scope. . . . . . . . . . . . . . . . . . . . . . . .APPENDIX A-19
A203	Definitions. . . . . . . . . . . . . . . . . . . .APPENDIX A-19
A204	Symbols and Notations . . . . . . . . . .APPENDIX A-19
A205	General Requirements. . . . . . . . . . .APPENDIX A-19
A206	Analysis and Design . . . . . . . . . . . .APPENDIX A-20
A207	Materials of Construction . . . . . . . .APPENDIX A-21

CHAPTER A3 PRESCRIPTIVE PROVISIONS

FOR SEISMIC STRENGTHENING OF CRIPPLE WALLS AND SILL PLATE ANCHORAGE OF LIGHT, WOOD-FRAME RESIDENTIAL BUILDINGS . . . . . . . . APPENDIX A-23

Section

A301	General . . . . . . . . . . . . . . . . . . . . . .APPENDIX A-25
A302	Definitions. . . . . . . . . . . . . . . . . . . .APPENDIX A-25
A303	Structural Weaknesses . . . . . . . . . .APPENDIX A-26
A304	Strengthening Requirements. . . . . .APPENDIX A-26

CHAPTER A4 EARTHQUAKE RISK

REDUCTION IN WOOD-FRAME RESIDENTIAL BUILDINGS WITH SOFT, WEAK OR OPEN FRONT WALLS. . . . . APPENDIX A-41

Section

A401 General . . . . . . . . . . . . . . . . . . . . . .APPENDIX A-43

A402 Definitions. . . . . . . . . . . . . . . . . . . .APPENDIX A-43

A403 Analysis and Design . . . . . . . . . . . .APPENDIX A-43

A404 Prescriptive Measures

for Weak Story . . . . . . . . . . . . . .APPENDIX A-45

A405 Materials of Construction . . . . . . . .APPENDIX A-46

A406 Construction Documents. . . . . . . . .APPENDIX A-46

A407 Quality Control . . . . . . . . . . . . . . . .APPENDIX A-47

A100	Application . . . . . . . . . . . . . . . . . . . APPENDIX A-3
A101	Purpose . . . . . . . . . . . . . . . . . . . . . . APPENDIX A-3
A102	Scope . . . . . . . . . . . . . . . . . . . . . . . . APPENDIX A-3
A103	Definitions. . . . . . . . . . . . . . . . . . . . APPENDIX A-4
A104	Symbols and Notations . . . . . . . . . . APPENDIX A-4
A105	General Requirements. . . . . . . . . . . APPENDIX A-5
A106	Materials Requirements. . . . . . . . . . APPENDIX A-6
A107	Quality Control . . . . . . . . . . . . . . . . APPENDIX A-8
A108	Design Strengths . . . . . . . . . . . . . . . APPENDIX A-8
A109	Analysis and Design Procedure. . . . APPENDIX A-9
A110	General Procedure. . . . . . . . . . . . . APPENDIX A-10
A111	Special Procedure . . . . . . . . . . . . . APPENDIX A-11
A112	Analysis and Design . . . . . . . . . . . APPENDIX A-13
A113	Detailed Building System Design Requirements . . . . . . . . . APPENDIX A-15

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TABLE OF CONTENTS

CHAPTER A5 REFERENCED

STANDARDS . . . . . . . APPENDIX A-49

Section

A501 Referenced Standards . . . . . . . . . . APPENDIX A-49