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The project is located at Berryessa Knoxville Road MPM 4.4. The proposed repair to the slide is drilled hole steel solder pile concrete retaining wall approximately 150' long. The wall height varies from approximately 3' to 8'. The pier depth is approximately 20'.
The project was awarded by the Board of Supervisors on September 12, 2017 to Team Ghilotti of Petaluma, CA