17 January 2014 ~ 0 Comments

Construction Update | Jan. 18-27

140114_1104_NB_TunnelTunneling is proceeding beneath 4th Street with TBM Big Alma. This TBM is expected to pass beneath Market Street around the end of January.

During the next 10 days, Central Subway work will continue at sites in SoMa, Union Square, Chinatown and North Beach. This post 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): We plan to begin potholing for utilities on 4th Street between Bryant and King the week of Jan. 20. Potholing will commence on the east side of 4th Street between Bryant and Bluxome, proceeding at other locations along the block over the coming months. More details are in the Southern SoMa section. At the tunnel launch box on 4th Street between Harrison and Bryant, tunneling continues with both TBMs.

Northern SoMa (Market to Harrison): Construction is planned to resume on 4th between Market and Stevenson late next week, when the second TBM passes through the area. We plan to begin restoring 4th Street between Folsom and Harrison during the next two weeks, with the road expected to reopen in February. At 4th and Folsom, work to prepare for the Yerba Buena/Moscone Station continues. Work may include demolishing the roadway within the construction zone to prepare to construct underground station walls.

Union Square: Stockton Street between Ellis and Geary is closed to vehicular traffic to allow for construction of the Union Square/Market Street Station. Stockton between Ellis and O’Farrell will close next week as crews continue to install decorative barricades around the construction zone.

Chinatown: Work to prepare for the Chinatown Station continues within the future station site and on the adjacent section of Washington Street. Construction will be in progress this Saturday, January 18, within the station construction zone.

North Beach: Work on Columbus Avenue at Union Street is planned to start next week, continuing for approximately one month. More details in the North Beach section. Work will continue at 1455 Stockton and 1731-1741 Powell, within the property lines.

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

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