Chapter 24.85 Updated

News Article
On Wednesday September 16, 2020 Portland City Council passed an ordinance that updates PCC Chapter 24.85, Seismic Design Requirements for Existing Buildings.

Chapter 24.85 currently references the American Society of Civil Engineers (ASCE) publication ASCE 41-13 as the standard for seismic evaluation and retrofit of existing buildings.

The ordinance revises Chapter 24.85 to reference the 2017 edition of ASCE-41 (ASCE 41-17). The revised ordinance goes into effect October 16, 2020.

If you have questions please contact Amit Kumar, Supervising Engineer at