Transbay Transit Center San Francisco Construction Update 12/02 – 12/06

Weekday Work (12/02/13 – 12/06/13):

Night Shift:

Transit Center Construction Activity:

Western Transit Center Site (Between First and Second Streets): This week materials delivery (reinforcing steel) is scheduled daily between 3:00 AM and 5:00 PM. This week work is scheduled for Monday through Friday between the hours of 6:00 AM to 6:30 PM and includes; reinforcing steel installation, concrete placement, electrical conduits, plumbing and waterproofing system installation, reinforcing steel for walls, wall forming and concrete pours. This week rigging and removal of cross lot steel bracing is scheduled daily between the hours of 6:00 AM and 10:30 PM. General maintenance of equipment, material deliveries and clean-up will also be performed between the hours of 3:00 PM to 11:30 PM. Trucks and equipment will enter and exit from the construction gates located on Howard Street (between First and Second Streets) and at First Street (between Mission and Howard Streets).

Central Transit Center Site (Between Fremont and First Streets): This week materials delivery (reinforcing steel) is scheduled daily between 3:00 AM and 5:00 PM. This week work is scheduled Monday through Friday between the hours of 6:00 AM to 6:30 PM and includes; reinforcing steel installation, concrete placement, electrical conduits, plumbing and waterproofing system installation, reinforcing steel for walls, wall forming and concrete pours. This week rigging and removal of cross lot steel bracing is scheduled daily between the hours of 6:00 AM and 10:30 PM. Micropile drilling, fine grading excavation, trucking are in progress at the eastern end daily between the hours of 5:00 AM and 6:30 PM. General maintenance of equipment, material deliveries and clean-up will also be performed between the hours of 3:00 PM to 11:30 PM. Trucks will enter and exit from the construction gates located on Fremont Street and at First Street (between Mission and Howard Streets).

Eastern Transit Center Site (Between Beale and Fremont Streets): This week excavation, trucking and welding of cross lot steel bracing on the eastern end is scheduled daily between the hours of 5:00 AM and 6:30 PM. General maintenance of equipment, equipment and material deliveries and clean-up will also be performed between the hours of 3:00 PM to 11:30 PM. Trucks will enter and exit from the construction gates located on Fremont Street and at Beale Street (between Mission and Howard Streets).

Underground Utilities/Trenching Work

​Mission Street (Main Street to Fremont Street): Mission Street traffic may be impacted occasionally during construction of the underground auxiliary water supply system piping. This work has been coordinated with MUNI operations and must be performed at night. This week work is focused on the intersection of Mission and Main Street and is scheduled Monday through Friday night from 7:30 PM to the next morning at 5.30 AM. Impact tools and cutting of asphalt concrete will be performed between 7.30 PM to 10.00 PM due to noise permit requirements.

Day Shift:

Transit Center Construction Activity

Western Transit Center Site (Between First and Second Streets): This week work is scheduled Monday through Friday between the hours of 6:00 AM to 6:30 PM and includes; reinforcing steel installation, concrete placement, electrical conduits, plumbing and waterproofing system installation, reinforcing steel for walls, wall forming and concrete pours. This week rigging and removal of cross lot steel bracing is scheduled daily between the hours of 6:00 AM and 10:30 PM. General maintenance of equipment, material deliveries and clean-up will also be performed between the hours of 3:00 PM to 11:30 PM. Trucks and equipment will enter and exit from the construction gates located on Howard Street (between First and Second Streets) and at First Street (between Mission and Howard Streets).

Central Transit Center Site (Between Fremont and First Streets): This week work is scheduled Monday through Friday between the hours of 6:00 AM to 6:30 PM and includes; reinforcing steel installation, concrete placement, electrical conduits, plumbing and waterproofing system installation, reinforcing steel for walls, wall forming and concrete pours. This week rigging and removal of cross lot steel bracing is scheduled daily between the hours of 6:00 AM and 10:30 PM. Micropile drilling, fine grading excavation, trucking are in progress at the eastern end daily between the hours of 5:00 AM and 6:30 PM. General maintenance of equipment, material deliveries and clean-up will also be performed between the hours of 3:00 PM to 11:30 PM. Trucks will enter and exit from the construction gates located on Fremont Street and at First Street (between Mission and Howard Streets).

Eastern Transit Center Site (Between Beale and Fremont Streets): This week excavation, trucking and welding of cross lot steel bracing is scheduled daily between the hours of 5:00 AM and 6:30 PM. General maintenance of equipment, equipment and material deliveries and clean-up will also be performed between the hours of 3:00 PM to 11:30 PM. Trucks will enter and exit from the construction gates located on Fremont Street and at Beale Street (between Mission and Howard Streets).

What to Expect This Weekend (Saturday 12/07/13 – Sunday 12/08/13):

Western Transit Center Site (Between First and Second Streets): This weekend the rigging and removal of cross lot steel bracing is scheduled from 8:00 AM to 6:30 PM on Saturday December 7. There will be general construction work and cleanup also scheduled for Saturday December 7 and Sunday December 8th during the day shift. Trucks and equipment will enter and exit from the construction gate located on Howard Street (between First and Second Streets) and the construction gate at First Street (between Mission and Howard Streets).

Central Transit Center Site (Between Fremont and First Streets): The last mass structural concrete pour of 2013 will take place on site Saturday December 7. Traffic may be impacted occasionally Friday night December 6 beginning at 10:00 PM and ending Saturday night Saturday December 7 at 4:00 PM. Concrete trucks will queue along Howard Street and First Street. Trucks and equipment will enter and exit from the construction gate located on Howard Street (between First and Second Streets) and at First and Fremont Streets (between Mission and Howard Streets). Construction flaggers and SFPD will be assigned during peak hours to assist with traffic and pedestrians. There will be general construction work and clean up scheduled for Sunday December 8th during the day shift. Trucks will enter and exit from the construction gates located on Fremont Street and at First Street (between Mission and Howard Streets).

Eastern Transit Center Site (Between Beale and Fremont Streets): This weekend excavated soils off-hauling is scheduled from 8:00 AM to 5:00 PM on Saturday December 7. General maintenance of equipment, equipment and material deliveries and site clean-up is also scheduled. There is no construction work scheduled for Sunday. Trucks will enter and exit from the construction gates located on Fremont Street and at Beale Street (between Mission and Howard Streets).

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:

Mission Street (Main Street to Fremont Street): Mission Street traffic may be impacted occasionally during construction of the underground auxiliary water supply system piping. This work has been coordinated with MUNI operations and must be performed at night. The contractor this week is focused on the section of Mission between Beale and Main Street. This work is scheduled Monday through Friday night from 7:30 PM to the next morning at 5.30 AM. Impact tools and cutting of asphalt concrete will be performed between 7.30 PM to 10.00 PM for the next week due to noise permit requirements. This work will continue weekly until December 20, 2013. Work will resume in January and continue into the first quarter of 2014.

Howard Street (Between Fremont and Second Streets): The next pour of structural concrete will take place in the Western Transit Center site Saturday December 7. Traffic may be impacted occasionally Friday night beginning at 10:00 PM and ending Saturday nights at 4:00 PM. Concrete trucks will queue along Howard Street and First Street. Construction flaggers and SFPD will be assigned during peak hours to assist with traffic and pedestrians during these major concrete pours. During the week, Monday through Saturday Trucks and equipment will enter and exit from the construction gate located on Howard Street (between First and Second Streets).

Main Street (Between Mission and Howard Streets): Main Street traffic may be impacted occasionally during construction of the underground auxiliary water supply system piping. This work has been coordinated with MUNI operations and must be performed at night. Next week our contractor is focused on the intersection of Mission and Main Street. This work is scheduled Monday through Friday night from 7:30 PM to the next morning at 5.30 AM.

First Street (Between Mission and Howard Streets): The next pour of structural concrete will take place in the Central Transit Center site Saturday December 7. First Street traffic may be impacted occasionally Friday night beginning at 11:00 PM and ending Saturday around 4:00 PM. Construction flaggers and SFPD will be assigned during peak hours to assist with traffic and pedestrians during these major concrete pours. There is now an additional traffic light activated on First Street mid-block between Howard and Mission Streets – commuters and pedestrians should be prepared to stop. 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.

Fremont Street (Between Mission and Howard Streets): The next pour of structural concrete will take place in the Central Transit Center site Saturday December 7. Fremont Street traffic may be impacted occasionally Friday night beginning at 11:00 PM and ending Saturday around 4:00 PM. Construction flaggers and SFPD will be assigned during peak hours to assist with traffic and pedestrians during these major concrete pours. There is now an additional traffic light activated on Fremont Street mid-block between Howard and Mission Streets – be prepared to stop. The eastern sidewalk is closed. Pedestrians will continue to use west sidewalk of the temporary bridge and are urged to use the crosswalks at the Mission and Howard Street intersection to safely cross.

Beale Street (Between Mission and Howard Streets): Beale Street traffic may be impacted occasionally during construction with trucks exiting at the construction gates onto Beale Street. Construction flaggers will be assigned during peak hours to assist with traffic and pedestrians. Pedestrians will continue to use east sidewalk between Mission and Howard Streets. Pedestrians are urged to please use the crosswalks at the Mission and Howard Street intersection to safely cross.

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.