Last edited by Shaktile
Saturday, February 8, 2020 | History

3 edition of Guidelines to strengthen and retrofit your home before the next earthquake found in the catalog.

Guidelines to strengthen and retrofit your home before the next earthquake

Guidelines to strengthen and retrofit your home before the next earthquake

  • 140 Want to read
  • 30 Currently reading

Published by The Agency in [Washington, D.C.?] .
Written in English

    Subjects:
  • Earthquake resistant design -- United States,
  • House construction -- United States

  • Edition Notes

    Statementadopted by the Washington Military Department, Emergency Management Division and the Federal Emergency Management Agency
    ContributionsWashington (State). Emergency Management Division, United States. Federal Emergency Management Agency
    The Physical Object
    Pagination28 p. :
    Number of Pages28
    ID Numbers
    Open LibraryOL14518217M
    OCLC/WorldCa47028135

    Building codes require that anchor bolts are placed at certain locations to prevent the home from sliding off the foundation. The standards for methods and materials were derived from analysis of previous destructive earthquakes - what made the difference between houses that survived the quake and houses that didn't? How long does a retrofit take? There is still significant risk, however. We do not offer these services to home buyers, but will refer you to an engineer or other inspectors who are qualified to do this for you. Where can I learn more about retrofitting?

    Who will do the work? The type of washer used also makes a considerable difference in seismic resistance. Further problems include the strength of the foundation itself and other factors that usually have to do with the floor plan or shape of the house. Cripple wall failure — This occurs in wood-frame structures on taller crawl space walls, known as cripple walls, they are built with vertical 2X4 studs. On the "Project Impact" page, you'll find some very informative brochures that get into more detail about retrofitting, as well as a hotline that will let you know when the next homeowners class is taking place. Looking for a price?

    Language Translation Disclaimer Google Translate. Everybody in our company has, and we are happy to provide proof. Roof trusses can tilt just like falling dominoes. It is important to use the proper type of bolt corresponding to the existing conditions of the home and its foundation. The collapse of this wall will often result in the main floor dropping to the ground.


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Guidelines to strengthen and retrofit your home before the next earthquake Download PDF Ebook

If there are short walls with vertical wooden "studs", the sill will be bolted and the wall braced with plywood.

Homeowner's Guide to Retrofitting

All of these questions are answered by the guide. This term is used to describe any building that has a habitable room or rooms above a garage, carport or porch area that was not specifically designed to transmit shear or lateral forces to the story above. Compared to houses with cripple walls, houses built in this manner are considered to be slightly less vulnerable to displacement from their foundations.

A hole is drilled into the concrete a little deeper than the bolt length. Accordingly, this is not a simple question to answer in the abstract.

Retrofitting questions & answers

However, there may be situations where it is not possible for the homeowner to make all the recommended improvements because of budget or other considerations. Knowledgeable people have told me that my house is well built. Some, or even most, of the recommended corrective measures can also be added to existing structures, a practice commonly referred to as "seismic retrofitting", "seismic strengthening" or, more commonly, as bolting and bracing.

Some cities and insurance companies will offer incentives or discounts to homeowners who retrofit their homes. If the walls supporting a house are weak they may simply collapse from under it. Can I do the work myself? There are no special training or licensing requirements for contractors who engage in retrofit work.

If your house has? Building codes require that anchor bolts are placed at certain locations to prevent the home from sliding off Guidelines to strengthen and retrofit your home before the next earthquake book foundation.

Probably, but that is not how we choose to do business. Is the work dirty, noisy, and disruptive? Many homeowners, especially if handy at all, choose to complete some of the preparation and follow-up work themselves to save some money, and leave the critical structural improvement work for the experts.

How long does a retrofit take? Many houses, especially hillside houses, have both cripple walls and areas where the floor sits directly on the foundation. Even a building with no structural problems can sustain severe damage during an earthquake.

Plate Washers The requirement for clamping washers installed with retrofit anchor bolts has been recently upgraded. They offer a significant increase in connection strength, and for many projects they provide the most economical upgrade available for the existing conditions.

The bolt is anchored to the concrete at its base, and puts a tension load on the concrete as it is wedged in place. Is Your House Earthquake Ready? Visualize two dominoes standing on their small ends. What is seismic retrofitting? These are not over-the-counter connectors, but have to be custom made at a steel fabricator.

The expression "earthquake proof" is used in common language, but there is no such thing as an earthquake "proof" house. Plywood reinforcement on the inside faces of the cripple-wall studs can save the structure from destruction in a future quake.

How are they paid? Even though improvements can be staged and even deferred, it is important to remember that full seismic protection will not be achieved until all recommended work is completed.A big earthquake strikes this metropolis every years.

The last one was years ago, which makes the next big earthquake overdue. John F. Kennedy said, “The time to repair the roof is when the sun is shining.” He’s right, so take heed.

The time to strengthen your house against earthquakes is when the ground is not shaking. Hire the Best Seismic/Earthquake Retrofitters in Long Beach, CA on HomeAdvisor. Compare Homeowner Reviews from 7 Top Long Beach Earthquake Protection Retrofit services. Get Quotes &.

Put together disaster supplies for your home, work and car. Purchase earthquake insurance to help you repair, replace, rebuild and recover.

Earthquake Checklist: How to Prepare Your Home

What is seismic retrofitting? Houses built before —before residential seismic building codes were consistently enforced—may be more .This is a Commentary on Chapter A1 of the Guidelines for Seismic Retrofit of Pdf Buildings (GSREB) Seismic Strengthening Provisions for Unreinforced Masonry Bearing Wall Buildings, International Existing Building Code IEBC).

The purpose of the Commentary is to discuss the basis for the technical provisions for the.Want your home to be protected from the next earthquake? Our expert seismic retrofitting is the answer. The best way to ensure your building is protected against major earthquake damage is to have it inspected and reinforced by a trusted and skilled seismic retrofit company.The typical cost to completely earthquake retrofit a medium size home with ebook floor ebook, a crawl space area relatively free of obstructions and in good condition, and with wooden framed walls in the crawl space (referred to as cripple walls) is about $4, to $7, if your home was built before these seismic standards were adopted.