Heavy Rail
G Street Grade SeparationThe 145-foot long G Street/BNSF Underpass carries a main track, a siding track and a maintenance road over four lanes of depressed roadway traffic (six lanes of future traffic). One of the most noteworthy achievements on this project was the design team's adherence to an extremely aggressive schedule. When Biggs Cardosa was given NTP in May 2008, only a very rough concept existed. In June 2010, the project was awarded for construction. Within those 26 months, the design team filed a Statutory Exemption from CEQA, completed a feasibility study and PS&E, coordinated the relocation of multiple utilities, participated in community outreach efforts, and supported the City's efforts to acquire 6 full parcels and several partial takes and award an early demolition contract to clear the right-of-way. This project was awarded the 2017 ACEC California Honor Award in the Transportation Category.
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Tustin Avenue / Rose Drive Grade SeparationBiggs Cardosa managed and designed one of five grade separation projects for the OCTA’s OC Bridge program, taking the project from the feasibility development phase to the final PS&E design phase. The project includes a three-span overhead structure along with multiple concrete, masonry and MSE retaining walls totaling over 4500 feet in length. Biggs Cardosa worked closely with all of the project stakeholders which include the Cities of Anaheim and Placentia, BNSF, MWD and OCFCD during the various design stages. Biggs Cardosa coordinated with the CPUC for the removal of the existing at-grade railroad crossing, for the construction of the overhead structure and for the construction of the temporary at-grade crossing at the temporary bypass road. This project was awarded the 2017 ACEC California Honor Award in the Transportation Category.
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Bradley Moody Memorial UnderpassThe project consists of a feasibility study and design for a grade separation structure to separate railroad traffic from vehicular traffic. Biggs Cardosa provided railroad coordination support and structural engineering services for the feasibility studies on six undercrossing and overcrossing alternatives at various site locations in the area. An undercrossing alternative along Marina Bay Parkway was the preferred alternative. The proposed grade separation consists of a 900-foot long by 75-foot wide depressed roadway crossing under a single RPRC/BNSF track. This Project received an Honorable Mention Award from CMAA in the Category of Transportation for projects with a construction cost greater than $10 M. |
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Kato Road Grade SeparationBiggs Cardosa led the structures design for one of four UPRR underpass structures required for the relocation of tracks as part of the BART extension to San Jose – SVBX Northern Area Guideway Project. The structure consists of two simple spans that total approximately 89 feet long, and will carry two sets of tracks with a bridge width of approximately 33 feet. An extremely tight vertical clearance and the desire to minimize the roadway depression required special evaluation of heavier and more closely spaced W30 steel girders.
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ACE Fullerton Road Grade SeparationThe Alameda Corridor East (ACE) Construction Authority is a single purpose construction authority created by the San Gabriel Valley Council of Governments in 1998 to mitigate the impacts of significant increases in rail traffic. Train traffic through the Valley is estimated to increase by as much as 160% by the year 2020. The Ace project consists of multiple construction projects including safety and mobility upgrades and grade separations. Biggs Cardosa is the Prime Consultant on the $140 million Fullerton Road Grade Separation Project, the largest of ACE's Phase II grade separations. Biggs Cardosa's services include structural engineering and project management overseeing all design components including: railroad, shoofly, staging, civil and roadway, drainage, utility, signal, geotechnical, and constructability engineering.
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