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Earthquake Retrofit

Why Does My Home Need to be Retrofitted?

Posted in Earthquake Retrofit

House-boltingHomes foundation is the main support and back bone for the rest of the house. If it is not level, intact, and properly bolted, it can result in many problems, such as, floor sagging or sloping, an entire part of the house to sag, and can cause cracks and fissures both cosmetically and structurally. The best thing you can do is have your foundation retrofitted BEFORE any damage occurs, once the foundation has been compromised, it can be a costly and  cumbersome problem to fix. There are many ways with which your foundation can be strengthened to resist damage and having one of them done BEFORE there is damage is a wise investment to make your home a safer place to live and raise your property value. Here at California Foundation Works, we have dealt with every kind of foundation, so there is no worry if you have a complex foundation, or a regular one, we are ready and able to handle any type of foundation.

Older homes were never constructed with proper supports to withstand earthquake damage, and other damage that can occur due to environmental causes. Whether your home is older, such as this, or has already incurred damage from one of these causes, a solution is available. Having cracks, unleveled areas, water damage, shifting of windows and doors are some of the signs that will alert you to the condition of the foundation below, and should be looked at by a professional foundation expert right away.  You will catch the problem, hopefully, before it becomes a serious risk, and save yourself both money and unsafe living conditions.

Feel free to contact us today at (323) 418-2239 for your free home inspection anytime to make sure your house is safe. We will be happy to send out one of our licensed foundation specialists right away to start making your home a safer place for you and for your family. These measures will give you peace of mind, raise the value of your home while saving you money at the same time, and let you rectify small problems that could otherwise become overwhelming.

New Spotlight on house bolting – Sill Bolt and Plate Washer Interference

Posted in Earthquake Retrofit

washersDespite the widespread use and familiarity of structural connectors, when not installed properly, they can become a source of headaches on jobsites. As a field representative, I am often called to the jobsite to help resolve problems that arise when connectors are either installed incorrectly or used in unsuitable applications.Most of the time I get called because a building inspector has flagged a mistake or written a correction notice. These installation errors can impact the load capacity of connectors and create callbacks and long-term problems if not corrected. While there are other factors that can contribute to these problems, there are some common application and installation mistakes that easily can be avoided.

Here are two examples:

Sill Bolt and Plate washer interference Typically only a standard cut washer and hex nut are needed to attach mudsills to anchor bolts. But in recent years, the codes have Studs, rim board and joists often have to be cut or notched to relieve interference, which can weaken framing members and add extra time and cost (see Left).

Fortunately the codes recognized this issue and now allow the washer to be slotted for adjustability (see Right).

A Chance to Make Peoples Homes a Safer Place

Posted in Earthquake Retrofit

In light of recent events in Japan, Chile, and other parts of the world, devastating earthquakes causing unprecedented devastation, we here at California Foundation Works have been keeping those affected in our hearts and sending them our love and support. It has caused us to think about what we do, and to be grateful for the opportunity to make peoples homes safer. 

In California, we are about 50 years overdue for “a big one.” This means that there is a balance to the earth releasing tension. Every 100 years or so, aside from the usual smaller quakes and tremors, every major fault line must release tension in order to maintain the stability deep under the earth. Our major fault, the San Andreas Fault has not had a major quake in over 150 years. One hundred and fifty years! All we can say it that it is better to be prepared in advance, than to try and pick up the pieces after. 

Since the devastation in Japan, we have had a spiked increase in business. This shows us that people are acknowledging that there is a real threat, that this threat is close to home and that this threat will affect many of our lives and homes. This also shows us that people are only waking up and realizing that they need to think about solutions after the disaster has already happened.  We have a special opportunity NOW to take precautions, before any unfortunate damage occurs. By bolting, bracing, installing new pier systems and drainage systems you can protect your home today from impending danger. It is your responsibility as a home owner to make sure your home is safe and that you took all the necessary steps to minimize the damage in case an earthquake will strike. 

Call us as soon as possible. We will come to your home, perform a free foundation inspection and provide you with full detailed report of our findings and our recommendation for solutions. We will work with you, within your budget, within your time frame and comfortability.


Looking forward to speaking with you soon to set up an appointment for you and start making your home a safer place!

Easter Quake Study Reveals Surprising New Findings

Posted in Earthquake Retrofit

New images suggest it put us at higher risk for a major earthquake

When a 7.2 magnitude earthquake rocked San Diego last Easter, we thought the most significant impact was above ground. Now we’re learning that the quake may have increased the potential for larger earthquakes in Southern California.

High tech images released by NASA's jet propulsion lab suggest that the quake put enough stress on fault lines in our region to put us at higher risk for a major earthquake.

The Easter quake ruptured six faults in two directions, but especially increased stress on the Elsinore, which runs from San Diego County through San Bernardino and Los Angeles Counties.

Scientists believe the Elsinore is capable of a 7 or 7.5 magnitude earthquake. Still, seismologists say there's no way to tell which fault could produce the next "big one.”

"I think it's going be like adding a few straws to the back of the camel, but we have no idea what the load is already and we don't know what the camel can stand. In my view, it's just another reminder that we need to be prepared all the time," said Cal Tech Seismologist Kate Hutton.

The Easter quake could be the trigger for any one of the faults, including the San Andreas.

Scientists say the Baja quake proved to be one of the most complex quakes along the Pacific and North American plates.


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