SAN JOSE – BART took a step farther to reaching downtown San Jose and Santa Clara Thursday when the Board of Administrators of the Santa Clara Valley Transportation Authority unanimously permitted the primary main contract to constructing a BART extension into the guts of Silicon Valley.
VTA spokesperson Bernice Alaniz mentioned Thursday the primary contract package deal for the tunnel and trackwork, within the quantity of $235 million, has been awarded to Kiewit Shea Traylor, a three way partnership. It’s a progressive design-build contract.
VTA is constructing the BART extension to Santa Clara County. The primary section of the extension introduced trains to Milpitas and San Jose’s Berryessa neighborhood in late 2019.
The second section is a six-mile-long extension from the Berryessa BART Station to downtown San Jose and, in the end, Santa Clara.
The contract permitted Thursday will probably be carried out in levels, Alaniz mentioned. It’ll embody investigation of improvements, engineering and design, open guide value estimates and the work schedule.
The primary stage of actions is anticipated to start this month and final by way of roughly December 2023, setting the stage for main development which incorporates boring the tunnel beneath downtown San Jose.
Three different contracts will probably be thought-about sooner or later for the methods, stations and the Santa Clara Station and upkeep yard.
VTA’s BSVII Undertaking is a six-mile, four-station extension that can convey BART service from Berryessa/North San Jose by way of downtown San Jose to the Metropolis of Santa Clara, contains three stations with underground platforms (twenty eighth Road/Little Portugal, Downtown San Jose, and Diridon), one ground-level station (Santa Clara), a prepare upkeep and storage facility at Newhall Yard, and extra services.
5 of the six-mile alignment is deliberate to be constructed in a big diameter single-bore tunnel, with the remaining one mile at-grade rail.