Sitemap

By Howard Cook, Founder and General Manager of Bay Area Retrofit

Why this is all necessary

The Hayward Fault

The Cascadia Fault

About Bay Area Retrofit

Who are we?

Our Contributions to the field

8 Foolproof Tips on Finding a good Seismic Retrofit Contractor

How Does a Retrofit Work?

Homeowner’s Guide to Residential Seismic Retrofitting.

Seismic Retrofits of Houses Built before 1940

Seismic Retrofits of Houses Built before 1956 on Flat Lots

Seismic Retrofits of Houses Built after 1956 on Flat Lots

Seismic Retroifts of Houses with Living Area Above a Garage (Soft Story) 

Seismic Retrofits for Houses Built on Hillsides

Keeping your Home Clean

Cripple Wall Retrofits:Most Houses Built before 1940

The Vital plywood to Mudsill Shear Wall Connection.

An Experts Evaluation of the Vital to Plywood to Mudsill Shear Wall Connection. 

A General Review of Cripple Wall Retrofit Principles

Cripple Wall to Shear Wall Conversion Process-Step by Step

Shear Wall Overturning

How should the Plywood be Installed?

I have a Porch, why is that a problem?

When might I need to add a Cripple Wall to my house and how do I do it?

How to Retrofit a Short Cripple where Bolts won’t Fit.

How to attach the Entire Floor to the Shear Wall.

Be Careful about Nail Penetration in the Plywood.

Cripple Wall Retrofits and Stepped Foundations 

The Dangers of Pressure Treated ACQ Lumb

Building a Shear Wall from Scratch

Cripple Wall Retrofits and Top Plates

Foundation Bolting

What does a Foundation Bolt do?

Many Bolted Houses have Big Problems. 

Everything you wanted to know about Foundation Bolts

What are the Best Washers for Foundation Bolts?

The Problem with Over-sized Bolt Holes

Bolt the House to the Side of the Foundation?

Plate Washers 

Attaching the Floor to the Shear Wall

What are Shear Transfer Ties for?

Attaching the Shear Wall to the Floor with Lag Bolts

Keeping your House Attached to a Hill

My floor is damaged, will that impact my Retrofit?

Do I need to Connect the Floor I Walk on to Anything?

What is a Shear Transfer Diaphragm?

Shear Blocking, just to be sure.

Soft Story Retrofits

San Francisco Chronicle: Mandated Soft Story Retrofits Prevent Disaster

Soft Story Buildings and Houses

The San Francisco Soft Story Mandate

Using Rotation with a Soft Story Retrofit

Special Metal Walls can keep your Garage from Collapsing

Why are the bids from the engineers so different?

How are Soft Story Retrofits Designed?

Retrofit Building Codes and Permits

Should I get a Building Permit?

How much does a Seismic Retrofit Cost?

Bay Areas’ Regional Guideline: Standard Plan with Calculations

Critique of Standard Plan A 

Links to America’s Retrofit Guidelines

Seismic Retrofitting and the California Building Code. 

The Los Angeles Retrofit Building Code. 

The Retrofit Designer’s Bible

Screening your Seismic Retrofit Contractor

Which Retrofit Building Code?

Financial Assistance

Government Money for your Seismic Retrofit

Get a free Berkeley Seismic Retrofit

Oakland’s Seismic Retrofit Policies

 Engineering

Should I hire an Engineer?

Seismic Retrofit Engineers Answer Essential Questions.

Is your House already Earthquake Proof?

75% and Seismic Retrofit Design

Why do I need to Know how much my House Weighs?

Engineering a Retrofit for a House Built before 1940 in 3 Easy Steps

 2 Easy Steps in Engineering a Retrofit for  a House Built built before 1956 on a Flat Lot

Engineering a Retrofit for a House Built after 1956 on a Flat Lot 

How Strong is the Hardware you use?

 Foundations

Old Foundations

Testing of Old Foundations by the Structural Engineer’s Association of Southern California

What if I need a New Foundations?

Can I Retrofit my House using only 3 Foundations

How to get a lot of Protection with Minimal Foundation 

Retrofitting a House using the Center Foundation

My Mudsill is Embedded into my Foundation

Foundation Capping

Efflorescense

San Francisco Soft Story Mandate

Soft Story Retrofit Engineers in San Francisco and the Bay Area

The Wrong Soft Story Retrofit Engineer can cost you a Bundle

The Dangers of Pressure Treated ACQ Lumber

Services for Realtors

Technical

PDF Library 

Advanced Information for Retrofit Professionals

The Dangers of Pressure Treated ACQ Lumber

Technical Bulletins NER-272 and ESR-1539

The Simpson StrongTie Catalog

What happens to Stucco in Earthquakes

 Seismic Engineering and Stucco

The Post to Beam Connection

The Performance of Drywall in Earthquakes.

Balloon Framing

The Dangers of Pressure Treated ACQ Lumber

Tests and Reports

The Shear Wall Rosetta Stone:Research Report 154

Shear Wall Blocking in Exterior Siding

Slant Nailed Shear Wall Nailing

Shear Wall Laboratory Tests and Retrofit Applications Found in Research Report 154

When the Retrofit Contractor Screws up-Sheet Metal Shear Wall Repair

Wood Tensile Strength and Residential Seismic Retrofitting

Does Green Lumber Impact a Retrofit’s Strength?

Extremely Technical Data for the Retrofit Designer.

Angle Iron Retrofits-Will they work?

Ineffective Retrofit Techniques 

A  Library for Retrofit Design

Member

eeri-logo struc-eng-icon icc-icon

Headquartered at:

Bay Area Retrofit
427 San Pablo Ave
Albany, CA 94706
With field offices in San Jose and Hayward.

Company License Info

Works' Comp #3900008328-011
Contractors Lic #558462
Bond #511-67-26
Liability Ins GL 3984008