PB&A is serving as EOR for the temporary Shoring of Excavation for their client, Skanska/Traylor/Shea, for four underground stations that will comprise the Purple Line Extension, providing a high-speed alternative for commuters traveling between downtown Los Angeles, the Miracle Mile, Beverly Hills and Westwood. The 100 ft. excavation for the first of the Stations, La
PB&A was retained by RCCJV (Skanska-Traylor) to provide the design for the Shoring of Excavation (SOE) for two of the stations at the LA Metro Regional Connector Project, 2nd and Hope Street and 2nd and Broadway. The Hope Station, when finished, will serve as one of the stations along a subterranean rail tunnel connecting the
The shoring of this 60-70’ deep excavation, is the deepest that has been done to date in the downtown San Diego area. The temporary soldier beam and tie-back installation was complicated by the fact that an 83” dia. main city sewer line crossing a corner of the excavation needed to be accommodated. The plans were
The design for this water treatment plant illustrates how PB&A, Inc. as a contractor consultant is able to integrate innovative shoring design into an existing situation. This particular project with Kiewit required that PB&A, Inc. incorporate an advanced earth retention system into this slurry wall.
The design for the shoring of this 45’ deep excavation, in the downtown San Diego area was complicated by the many existing utilities and the surcharge placed directly on top of the retaining wall by the Rail Road. The project covers an entire city block and fronts on the Pacific Coast Highway.