Portola Avenue Slide Repair

The project is located within the City right-of-way ROW along the north side of Portola Avenue, between I-580 and Isabel Avenue, in Livermore, CA. The project consists of work on a major arterial road in response to landslides caused by December 2022/January 2023 severe winter storms CA23-1. The grassland pastures along the north side of Portola Avenue, between Campus Hill Drive and I-580, received a tremendous amount of rainfall with the resulting runoff flowing down the slopes. Due to poor soi...