LAMC §91.9509 (Ordinance 183893) requires identification and retrofit of pre-1976 non-ductile reinforced concrete buildings citywide, with a 25-year compliance deadline, structural evaluation by ASCE 41-17 standards, and LADBS-issued compliance certificates.
Adopted in 2015, Division 95 of the LABC sets up a two-stage program. LADBS first issues an Order to Comply notifying owners that their pre-1977 concrete building appears non-ductile. Owners then have three years to submit a structural checklist, ten years to complete a Tier 1 evaluation or retrofit design under ASCE 41-17, and 25 years to finish construction. Approximately 1,400 buildings have been identified, mainly mid-rise offices, apartments, and parking structures. Retrofits typically involve concrete jacketing, fiber-reinforced polymer wraps, or new shear walls. Tenants in qualifying rental buildings receive notice and limited cost pass-through under LAMC §151.06.02.
Missing the 3-year, 10-year, or 25-year milestones triggers LADBS substandard orders, recordation of non-compliance against title, daily fines, and potential vacate orders for unsafe occupancies.
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