04 April 2014 ~ 2 Comments

Construction Update | Apr. 05 – Apr. 14

In North Beach, we have poured the concrete floor of the tunnel boring machine retrieval shaft.

In North Beach, we have poured the concrete floor of the tunnel boring machine retrieval shaft.

During the next 10 days, Central Subway work will continue at sites in SoMa, Union Square, Chinatown and North Beach. This section contains brief updates about what is happening in each neighborhood. For more detailed information, scroll down or click this link. We also post construction, traffic detour and Muni impact information on our project Google Map.

Southern SoMa (Harrison to King/Berry): Potholing for utilities will continue next week on 4th Street between Bryant and King. A temporary walkway is in place around the construction zone. At the tunnel launch box on 4th Street between Harrison and Bryant, tunneling continues with both TBMs.

Northern SoMa (Market to Harrison): On 4th Street between Market and Stevenson, and 4th Street between Folsom and Harrison, roadway restoration work is now complete. At 4th and Folsom, work to prepare for the Yerba Buena/Moscone Station continues. This will include soil test drilling at 4th and Folsom at night, as well as demolishing the roadway within the construction zone to prepare to construct underground station walls. This work will be noisy.

Union Square: Stockton Street between Ellis and Geary is closed to vehicular traffic to allow for construction of the Union Square/Market Street Station. Work is underway to excavate material before constructing station walls. Construction hours will be Monday to Friday from 7 a.m. to 11 p.m.

Chinatown: The contractor will start station wall construction within the future station site and on the adjacent section of Washington Street.

North Beach: Work will continue at 1455 Stockton and 1731-1741 Powell. At 1731-1741 Powell, construction will pause this Saturday, April 5. Sewer, roadway and sidewalk restoration on Columbus and Union will continue next week and is expected to be completed by the end of April.

We appreciate your patience and support while we build this essential upgrade to San Francisco’s public transportation system.

-The Central Subway Team

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  • robf42

    Why is this not becoming a station, again?

  • theqin

    It was probably smart not to make it a station, otherwise the nimbys on telegraph hill and north beach would have tried to stop the project.