Earthquakes: Concrete risks

More than 1,000 old con­crete build­ings in Los Angeles and hun­dreds more throughout the county may be at risk of col­lapsing in a ma­jor earth­quake, ac­cord­ing to a Times ana­lys­is.

Story: Many older L.A. build­ings could col­lapse in an earth­quake
Full cov­er­age: Cali­for­nia earth­quake safety
In­ter­act­ive map: L.A.’s hid­den dangers
FAQ: Con­crete build­ings, earth­quake safety and you

— Rong-Gong Lin II, Rosanna Xia and Doug Smith

Los Angeles City Coun­cil­man Tom La­Bonge in­tro­duced a mo­tion ask­ing that the city build­ing and safety de­part­ment be dir­ec­ted to re­port on pos­sible ap­proaches to sur­vey­ing non-ductile con­crete build­ings.
Read Los Angeles May­or Eric Gar­cetti pro­pos­als for the most am­bi­tious seis­mic safety reg­u­la­tions in Cali­for­nia his­tory, which would re­quire own­ers to ret­ro­fit thou­sands of build­ing most at risk of col­lapse dur­ing a ma­jor earth­quake.
The Uni­versity of Cali­for­nia com­piled a list of nearly 1,500 con­crete build­ings con­struc­ted in Los Angeles be­fore 1976. The list was giv­en to the city of Los Angeles and re­leased to the Times in re­sponse to a pub­lic re­cords re­quest, with a dis­claim­er at­tached.
Oct. 24, 2013  By Rosanna Xia, Ron Lin, Doug Smith
L.A. City Coun­cil­man Bern­ard Parks made a mo­tion ask­ing city agen­cies to work with the City At­tor­ney to gath­er data on older con­crete build­ings that need ret­ro­fit­ting, identi­fy them and re­com­mend ways to make them safer.
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