Owner: San Francisco Bay Area Rapid Transit District (BART)
Contract value: $5,247,560
The work included installation of approximately 47,000 lbs of steel thrust blocks and steel plate extensions at two underground seismic joints adjacent to the BART San Francisco Transition Structure. The work also included injecting approximately 800 cubic feet of grout into engineered foundation materials below the aforementioned seismic joints via two holes drilled through the joints. In addition, the work included minor amounts of tie and ballast work. Lead paint was removed prior to the steel work.