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In the Northridge Earthquake, the Mexico City earthquake, and most recently the Christchurch New Zealand Earthquake, many concrete buildings constructed prior to the 1976 Los Angeles City Building Code provisions, or similar era codes in other countries, performed poorly and collapsed causing loss of human life, personal injury, and property damage. The poor performance of these older concrete buildings is due to deficiencies in the lateral force resisting system that render the building incapable of sustaining gravity loads when the building is subjected to an earthquake.

Buildings that are within the scope of this ordinance and require retrofitting are concrete buildings constructed before January 13, 1977.

The property owner must comply with the ordinance within the following time limits:

From the receipt of the Order to Comply:

  • 3 years: Submit completed checklist for review to determine if building is a non-ductile concrete building
  • 10 years: Submit proof of previous retrofit, or plans to retrofit or demolish and obtain permit to start construction
  • 25 years: Complete construction

The inventory list will not be available for request until April 2016 through the custodian of records. The list will not be available online.

Seismic Retrofit

Strengthening buildings for improved earthquake resistance

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Roof Condensation

Thorough inspection and repair of moisture damaged hardware

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Structural Repairs

Fixing structural problems without disrupting your business

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