Transbay Transit Center Project Update For March 1, 2013

Here's the latest Transbay Transit Center Project Update press release. This one for March 1, 2013. Oh, and if you're new to this and wonder how the design you see was selected, watch this 2007 video:

10 Day Look Ahead: Construction Activities

Friday, March 1, 2013 – Sunday, March 10, 2013

This week at Transbay...

What to Expect This Weekend (3/2/13 – 3/3/13):

Beale Street (Between Mission and Howard Streets): The OCS system (MUNI Bus Overhead Contact System) will be reworked this weekend at night with traffic lanes reduced from two lanes down to one lane until the OCS lines are moved to the western OCS poles. The Beale Street paving will also be reworked Saturday, March 2 with traffic lanes reduced from three lanes down to two lanes. Monday morning, March 4 the Beale Street traffic lane configuration will also move to the western two traffic lanes and the western sidewalk will re-open. The eastern sidewalk will be closed until early April 2013. Pedestrians are urged to please use the crosswalks at the Mission and Howard Street intersection to safely cross. The Beale Street traffic and sidewalks will re-open on the west side Monday, March 4, 2013 at 5:00. The eastern sidewalk will close startin g Monday, March 4, 2013 at 5:00.

Eastern Transit Center Site (Between Beale and Fremont Streets): This weekend there will be no construction work scheduled for Saturday, March 2 or Sunday, March 3 due to the work scheduled on Beale Street.

Weekday Work (Monday 3/4/13 - Friday 3/8/13):

Night Shift:

Excavation and Internal Bracing Work:

Beale Street (Between Mission and Howard Streets): The Beale Street temporary bridge preparation has resulted in construction impacts with traffic lanes reduced from three down to two lanes until early April 2013. There will be bridge preparation work day and night Monday through Friday from 7:00 AM to 1:00 AM. Beale Street traffic may also be impacted occasionally during construction with trucks exiting at the construction gates. The Beale Street temporary bridge preparation activity requires closing of the east sidewalk between Mission Street and Howard Street until early April 2013. Pedestrians are to use the west sidewalk and are urged to please use the crosswalks at the Mission and Howard Street intersection to safely cross.

Eastern Transit Center Site (Between Fremont and Beale Streets):​ This week the drilled piers are being installed for future excavation and bracing may be installed Monday through Friday from 7:00 AM to 1:00 AM the next day. Trucks will enter from the construction gate located on Fremont Street (between Mission and Howard Streets) and exit the construction gate at Beale Street.

Central Transit Center Site (Between First and Fremont Streets): Excavation and trucking of soils will be performed 24 hours, Monday through Friday from 7:00 AM to 7:00 AM the next day. Trucks will enter from the construction gates at either First Street or Fremont Street (between Mission and Howard Streets) and exit the construction gate at either First Street or Fremont Street (between Mission and Howard Streets). Welding of trestle steel and cross lot steel bracing will be performed Monday through Friday from between 8:00 PM and 4:00 AM the next day.

Western Transit Center Site (Between Second and First Streets): Excavation and trucking of soils will be performed 24 hours, Monday through Friday from 7:00 AM to 7:00 AM the next day. Trucks will enter from the construction gate located on Howard Street (between First and Second Streets) and exit the construction gate at First Street (between Mission and Howard Streets). Welding of the trestle steel and cross lot steel bracing will be performed Monday through Friday between 8:00 PM and 4:00 AM.

Day Shift:

Excavation and Bracing/Below Grade Transit Center Construction:

The project internal steel bracing, excavation and trucking of soils has become a 24 hour activity with excavation down to an average depth of 60 to 65 feet. The excavation progresses from the west transit center site to the eastern end for the new Transbay Transit Center building and will continue through the end of 2014. The western zone excavation and bracing is in progress with a target completion of mid 2013, the below grade contractor will soon start construction of the lower level concrete foundation. The central Transit Center Site internal steel bracing, excavation and trucking of soils is in progress and continues until the end of 2013. The eastern Transit Center Site construction access trestle, excavation and trucking of s oils have commenced and will continue into early 2014.

Beale Street (Between Mission and Howard Streets): The Beale Street temporary bridge preparation has resulted in construction impacts with traffic lanes reduced from three down to two lanes until early April 2013. There will be bridge preparation work day and night Monday through Friday from 7:00 AM to 1:00 AM. Beale Street traffic may also be impacted occasionally during construction with trucks exiting at the construction gates. The Beale Street temporary bridge preparation activity requires closing of the east sidewalk between Mission Street and Howard Street until early April 2013. Pedestrians are to use the west sidewalk and are urged to please use the crosswalks at the Mission and Howard Street intersection to safely cross.

Eastern Transit Center Site (Between Beale and Fremont Streets): This week the drilled piers are being installed for future construction access trestle and to support excavation and bracing. Some demolition of the surface level concrete slab will be performed this week during the day shift. Excavation and trucking of soils will be performed 24 hours, Monday through Friday from 7:00 AM to 7:00 AM the next day. Trucks will enter from the construction gate located on Fremont Street (between Mission and Howard Streets) and exit the construction gate at Beale Street.

Central Transit Center Site (Between First and Fremont Streets): Excavation and trucking of soils will be performed 24 hours, Monday through Friday from 7:00 AM to 7:00 AM the next day. Trucks will enter from the construction gates at either First Street or Fremont Street (between Mission and Howard Streets) and exit the construction gate at either First Street or Fremont Street (between Mission and Howard Streets). Welding of trestle steel and cross lot steel bracing will be performed Monday through Friday from between 8:00 PM and 4:00 AM the next day.

Western Transit Center Site (Between Second and First Streets): Excavation and trucking of soils will be performed 24 hours, Monday through Friday from 7:00 AM to 7:00 AM the next day. Trucks will enter from the construction gate located on Howard Street (between First and Second Streets) and exit the construction gate at First Street (between Mission and Howard Streets). Welding of the trestle steel and cross lot steel bracing will be performed Monday through Friday between 8:00 PM and 4:00 AM.

Underground Utilities/Trenching Work:

Mission Street (Between Beale and Second Streets): There will be underground utilities work and traffic lane closures daily, Monday through Friday between 9:00 AM and 3:00 PM.

What to Expect Next Weekend (3/9/13 – 3/10/13):

Beale Street (Between Mission and Howard Streets): The Beale Street temporary bridge preparation has resulted in construction impacts with traffic lanes reduced from three down to two lanes until early April 2013. Beale Street traffic may also be impacted occasionally during construction with trucks exiting at the construction gates. The Beale Street temporary bridge preparation activity requires closing of the east sidewalk between Mission Street and Howard Street until early April 2013. Pedestrians are to use the west sidewalk and are urged to please use the crosswalks at the Mission and Howard Street intersection to safely cross.

Eastern Transit Center Site (Between Beale and Fremont Streets): This weekend drilled piers for future construction access trestle will be performed Saturday between 7:00 AM and 7:00 PM. Mass excavation and trucking of soils has become a 24 hour activity and will be performed Saturday between 7:00 AM and 7:00 PM. On Saturday night and Sunday the hours of operation and level of activity may be reduced. Trucks will enter from the construction gate located on Fremont Street (between Mission and Howard Streets) and exit the construction gate at Beale Street.

Central Transit Center Site (Between First and Fremont Streets): Mass excavation and trucking of soils has become a 24 hour activity and will be performed Saturday between 7:00 AM and 7:00 PM. On Saturday night and Sunday the hours of operation and level of activity may be reduced. Dump trucks will enter from the construction gate located on First Street (between Mission and Howard Streets) and exit the construction gate at Fremont Street (between Mission and Howard Streets). Welding of trestle steel and cross lot steel bracing may be performed Saturday between 7:00 AM and 7:00 PM.

Western Transit Center Site (Between Second and First Streets): Mass excavation and trucking of soils has become a 24 hour activity and will be performed Saturday between 7:00 AM and 7:00 PM. On Saturday night and Sunday the hours of operation and level of activity may be reduced. Dump trucks will enter from the construction gate located on Howard Street (between First and Second Streets) and exit the construction gate at First Street (between Mission and Howard Streets). Micropile installation and testing along with welding of trestle steel and cross lot steel bracing will be performed Saturday between 7:00 AM and 7:00 PM.

Detours, Street and Sidewalk Closures:

The following streets will be temporarily impacted due to project activities. So you can plan ahead, please review the affected streets below:

Beale Street (Between Mission and Howard Streets): The Beale Street temporary bridge preparation has resulted in construction impacts with traffic with lanes reduced from three lanes down to two lanes until early April 2013. The Beale Street temporary bridge work requires closing of the east sidewalk between Mission Street and Howard Street until early April 2013. Beale Street traffic may also be impacted occasionally during construction with trucks exiting at the construction gates. Construction flaggers and SFPD 10B Officers will be assigned during peak hours to assist with traffic and pedestrians. Local access to 199 Fremont and 301 Mission only. Pedestrians are urged to please use the crosswalks at the Mission and Howard Street intersection to safely cross.

NOTE: The Beale Street Temporary Traffic Bridge (Between Mission and Howard Streets) is scheduled to be installed the weekend of April 6 and April 7, 2013. This temporary surface level bridge is the third and final bridge that will span the excavation site. Beale Street will be closed to traffic starting Friday, April 5, 2013 and re-open to traffic Monday morning, April 8, 2013.

Fremont Street (Between Mission and Howard Streets): Fremont Street traffic may be impacted occasionally during construction with trucks entering and exiting at the construction gates. Construction flaggers and SFPD 10B Officers will be assigned during peak hours to assist with traffic and pedestrians. Pedestrians will continue to use west sidewalk of the temporary bridge between Mission and Howard Streets. Pedestrians are urged to please use the crosswalks at the Mission and Howard Street intersection to safely cross. NOTE: The Fremont Street temporary bridge traffic signal will be activated mid block between Mission and Howard Streets at the First Street Bridge and construction access trestle intersection in March 2013.

First Street (Between Mission and Howard Streets): First Street traffic may be impacted occasionally during construction with trucks entering and exiting construction gates. Construction flaggers and SFPD 10B Officers will be assigned during peak hours to assist with traffic and pedestrians. Pedestrians will continue to use west sidewalk of the temporary bridge between Mission and Howard Streets. Pedestrians are urged to please use the crosswalks at the Mission and Howard Street intersection to safely cross.

NOTE: The First Street temporary bridge traffic signal will be activated mid block between Mission and Howard Streets at the First Street Bridge and construction access trestle intersection in early March 2013.

Natoma Street (Between Fremont and First Streets): Natoma Street (between Fremont and First Streets) has been reduced to one lane, one way (west bound), all vehicles will enter from Fremont Street and exit at First Street. Local vehicle and pedestrian access will remain available.

Natoma Street (Between First and Second Streets): Natoma Street (between First and Second Streets) has been changed to a dead end street for the life of the project with no vehicle access through Natoma Street from Second Street. Local vehicle and pedestrian access will remain available.

Minna Street (Between First and Second Streets): Minna Street has been reduced to one lane, one way (west bound), all vehicles will enter from First Street and exit at Second Street. There will be no parking along Minna Street between First Street and 130 feet east of Second Street for the life of the project. Local vehicle and pedestrian access will remain available.

Mission Street (Between First and Second Streets): There will be underground utilities work and traffic lane closure daily, Monday through Friday between 9:00 AM and 3:00 PM.

Howard Street (Between Fremont and Second Streets): Howard Street traffic may be impacted occasionally during construction with trucks entering and exiting the construction gate at Howard Street (between First and Second Streets). Construction flaggers will be assigned during peak hours to assist with traffic and pedestrians.


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