13 June 2014 ~ 3 Comments

Construction Update | June 14 – June 23

On Wednesday, June 11, tunnel boring machine Big Alma joined her sister TBM Mom Chung to break through the concrete wall of the North Beach retrieval shaft.

On Wednesday, June 11, tunnel boring machine Big Alma joined her sister TBM Mom Chung to break through the concrete wall of the North Beach 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, click here or on the links below. 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.

Northern SoMa (Market to Harrison)At 4th and Folsom, work to build the Yerba Buena/Moscone Station continues. This will include construction of the station walls within the work site and water line replacement at the intersection Fourth and Folsom. Night work is planned for these activities.

Union Square: Stockton Street between Ellis and Geary is closed to vehicular traffic and partial closure to vehicular traffic between Geary to Post to allow for construction of the Union Square/Market Street Station. Work is underway for pile installation to construct the station walls. Construction hours will be Monday to Saturday from 7 a.m. to 11 p.m. Beginning May 30 to July 25, the bus stop at Geary and Stockton will be temporarily be closed every Friday at 10 p.m. through the weekend. Service will resume every Monday at 4a.m. Muni service for this location will temporarily stop Mondays through Thursdays from 8 p.m. to 4 a.m.

Chinatown:  The contractor has started 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. Roadway and sidewalk restoration on Columbus and Union will continue and is expected to be completed by the 3rd quarter of 2014.

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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3 Responses to “Construction Update | June 14 – June 23”

  1. Can't Sleep 14 June 2014 at 11:34 am Permalink

    Now that both TBMs have broken through, will the very loud fans that run 24/7 on 4th St. be turned down?

  2. Set to stun 14 June 2014 at 2:23 pm Permalink

    So how ’bout that North Beach station?

  3. Dark Soul 15 June 2014 at 7:11 pm Permalink

    Why is T-Third Street Train like Ghost Train on Third Street during middays and morning Lowridership


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