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Welcome to Cal-Quake Construction the earthquake readiness
experts. Here you will find useful information on earthquake
readiness and earthquake
retrofitting for your property. Additionally, hints on
how to prevent or limit damage to your property, and life
saving tips to keep you, your property and lives safe.
The CAL-QUAKE team
has well over 150 years of combined experience preparing property
for earthquakes and repairing earthquake damage.
We are Proud to Offer Relief
to Haiti.
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CALL
(800) 351-2969 FOR YOUR APPOINTMENT
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Foundation
Repair
When an earthquake happens, the foundation is often where much
of the damage begins. An inspection will provide a first visual
indication of your property's ability to withstand the stresses
of an earthquake.
Home
Bolting - the solution for sliding failure.
Sliding failure occurs when a propery is not securely bolted
to the foundation. The sideways movement of an earthquake can
cause the entire building to literally slide off its foundation
(while often remaining otherwise intact). Sliding failures are
prevented by ordinary foundation bolts and framing anchors that
tie the foundation to the building's base.
Cripple Wall Reinforcement
Cripple walls are short walls that connect your foundation to
your floor base. Unreinforced cripple walls can be destroyed
by the sideways movement created by an earthquake. The result
can knock your property off its base foundation and cause tens
of thousands of dollars in damage. Plywood reinforcement on
the inside face of the cripple-wall studs provides increased
strength and can save a property from considerable damage during
an earthquake.
Securing
Girders
Properties are often supported by a post and pier foundation.
Large beams run under the property's floor joists and are held
up by posts. Each post rests on a concrete footing or pier.
This type of foundation flooring system is very susceptible
to a complete collapse during an earthquake. To better resist
seismic forces, the solution is to tie together all the foundation's
components, including the beams, the posts and the piers.
Soft
Story Repair
Many properties have what is called a "soft story"
condition. This describes any building that has a habitable
room or rooms above a garage, carport or delivery bay area that
was not designed to transmit shear or lateral forces to the
story above. If garage walls are not designed to handle the
tremendous forces of an earthquake, the entire structure may
collapse.
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