Dallas-based engineer Aecom is to programme handle work on the Portal, an extension of San Francisco’s Caltrain service. This may embrace the development of a station and a 2.1km part of tunnel to be constructed utilizing the cut-and-cover and mined tunnelling strategies.
Aecom can even oversee the design and construct of the Fourth and Townsend Avenue station, together with the Salesforce Transit Centre’s basement ranges, utility relocation, and observe and techniques work. It’s going to additionally finalise the procurement plan for the tunnel, assist to acquire Federal Transit Administration funding and combine the Portal with current rail techniques.
The price of the rail line elevated to $8.2bn in October 2023, in response to the San Francisco Customary.
Mark Southwell, Aecom’s chief govt of transport, mentioned: “Our world class tunnelling capabilities and absolutely built-in service choices deal with all facets of large-scale tunnel tasks, making us properly positioned to ship this significant work that may function a lynchpin for the area’s long-term transit wants.”
When full, the Portal will join 11 transit techniques from the Bay Space and Southern California.
The extension is the second section of the Transbay Programme, overseen by the Transbay Joint Powers Authority. The primary section changed the previous Transbay Terminal in downtown San Francisco with the Salesforce Transit Centre.
