Los Angeles Seismic Retrofit

Office Location : 14801 S. AVALON BLVD. Gardena, California (90248)

Full Service Engineering and Construction in Los Angeles

As seen posted by the LADBS, the City of Los Angeles passed Ordinance 183893, which requires the retrofit of pre-1978 wood-frame soft-story buildings and non-ductile concrete buildings. The goal of the mandatory seismic retrofit ordinance is to reduce these structural shortfalls and improve the safety of the flagged buildings during earthquakes in Southern California. Deprived of retrofitting, the weak buildings may be exposed to major structural damage. See how apartments can collapse during an earthquake in this LA Times infographic.

Buildings that are most vulnerable have been identified with the following conditions:

  • Consist of 2 or more stories wood frame construction
  • Built under building code standards enacted before January 1, 1978
  • Contain ground floor parking or other similar open floor space

The program does not apply to residential buildings with 3 or less units.

More information can be found in the following articles:

Each property owner of the flagged buildings will be sent an order to comply. These orders have already started to go out and will continue to be mailed into May 2017.

PriorityCategoriesStart date of Sending Out Orders
I. Buildings with 16 or more dwelling units3 stories and aboveMay 2, 2016
2 storiesJuly 22, 2016
II. Buildings with 3 or more storieswith less than 16 unitsOct 17, 2016
III. Buildings that don’t meet Priority I or II criteriawith 9-15 unitsJan 30, 2017
with 7-8 unitsMay 29, 2017
with 4-6 unitsAug 14, 2017
Condos/CommercialOct 30, 2017

Los Angeles Seismic Retrofit Construction Site 1 Los Angeles Seismic Retrofit Construction Site 1

How Long Do I Have to Comply?

From the Receipt of the Order to Comply with the Seismic Retrofit Ordinance

  • 2 years: Submit proof of previous retrofit, or plans to retrofit or demolish
  • 3.5 years: Obtain permit to start construction or demolition
  • 7 years: Complete construction

Helpful Information on the Soft-Story Retrofit Program by the LADBS

Does My Building Require Retrofitting?

Seismic Retrofit Service is performed by Penhall Engineer

See if your building was selected for a seismic retrofit by entering your address in this interactive database.

If you live in the Los Angeles area and received a notice to comply with the local seismic retrofit ordinance you are not alone. Over 13,000 soft story properties must do the same.The important place to start is to get an assessment. It is possible that your building doesn’t need retrofitting or that there is a solution for your building can be very simple.Retrofitting costs and solutions vary, but you can rest assured knowing that Penhall offers a value engineering approach that is both economical and compliant with the local ordinance.

Before you start the complicated process of your soft-story retrofitting alone please take a moment to call Penhall Seismic Retrofit Services for your free evaluation at 213-358-2514

Learn More about Penhall Seismic Retrofit Service: Virtual Brochure

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