Hearst Memorial Mining Building Hearst Memorial Mining Hall (built in 1907) is an imposing four-story structure originally made of unreinforced brick masonry with exterior cladding of granite masonry...
Homeowner participant I used the prescriptive plan set and pulled my own permit. I accomplished about 1/3 of the work and used a Anderson-Nieswander to finish the rest for about $3K...
Benicia-Martinez Bridge Old truss bridge retrofit with big friction pendulum bearings. A railroad bridge sits on the left. Note: A new bridge was also built to the east of the railroad bridge...
Old Carquinez Bridge There were two old Carquinez Bridges. Caltrans built a third (suspension bridge) and removed the old (middle) one from the 1920's...
Richmond San Rafael Bridge Several different devices (visuous dampers, strengthening, etc.) used for the retrofit. Retrofit is designed to a level that, at a minimum, will ensure that the bridge will remain standing in an earthquake.
San Mateo Hayward Bridge Retrofit work included work to the foundation, strengthening or replacing structural elements, adding isolation and dampening features
