Archive | Utility Relocation

30 August 2012 ~ 0 Comments

Check it out: Our summer 2012 project newsletter

Construction is progressing at the site where tunneling will begin next year. Download our summer 2012 newsletter to learn more. Hot off the presses: It’s the summer 2012 edition of the Central Subway newsletter. Download it in English or Chinese to learn about the latest project news and to gain insight into construction progress, the public art program and community outreach […]

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17 August 2012 ~ 0 Comments

Construction Update: Tunnel preparation underway at four sites, Union Square utility relocation substantially complete

Tunnel pre-construction work is now underway on Ellis Street. The tall machine shown here on the right is used to perform ground stabilization work known as jet grouting. Tunnel pre-construction has continued to ramp up in recent weeks as tunneling contractor Barnard Impregilo Healy mobilized at two new sites along the project alignment: Around Union […]

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27 July 2012 ~ 0 Comments

Construction Update: Tunnel contract work starts next week in Union Square area

Construction of a major excavation known as a launch box is underway on 4th Street between Bryant and Harrison streets. At nearly 500 feet long, 50 feet wide and up to 40 feet deep, the launch box will take up most of the block. In the next three weeks, work to prepare for tunneling will […]

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09 July 2012 ~ 1 Comment

Construction Update: Muni to re-route bus lines around Central Subway construction

At the site where tunneling will begin next year, contractor Barnard Impregilo Healy Joint Venture is making progress in constructing below-ground walls around the perimeter of the tunnel launch box – a major excavation almost as big as a city block. At other points along the Central Subway alignment, Union Square utility relocation is progressing toward completion, and […]

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15 June 2012 ~ 8 Comments

Construction Update: Launch box and headwall construction proceeding in SoMa, road restoration progressing in Union Square

Construction at the site of the tunnel launch box, shown here, ramped up this week.  Construction to prepare for the Central Subway tunnel ramped up this week, and the new sidewalks on the west side of Stockton Street are almost completely restored. Here’s what to expect in the next three weeks as tunnel preparation continues and the Union […]

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06 June 2012 ~ 1 Comment

New sidewalks on Stockton Street as utility work nears completion

Since breaking ground in January 2011, contractor Synergy Project Management has finished relocating a variety of utility lines around Union Square to prepare for construction of the Union Square/Market Street Station. Now, with much of this work complete, sidewalks are being restored and reopened for pedestrians. Check out these pictures of the beautiful new sidewalks […]

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25 May 2012 ~ 1 Comment

Construction Update: Road and sidewalk restoration to commence near Union Square, utility relocation starting in SoMa

These walls, called guide walls, are being constructed at 4th Street beneath the I-80 overpass to prepare to excavate the site where the Central Subway tunnel will begin. In the next three weeks, road and sidewalk restoration are planned to begin along Stockton Street, and work associated with the tunnel contract is anticipated to commence […]

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07 May 2012 ~ 0 Comments

Construction Update: Utility relocation, tunnel site preparation continue to advance

Crews prepare to pour sidewalk on Stockton Street. Since our last three-week construction update, work to prepare the tunnel launch site for tunneling and to relocate utilities around Union Square has continued to progress. In the next three weeks, the following work will be underway: Union Square/Market Street Station Utility Relocation: Crews will continue to relocate utilities to […]

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13 April 2012 ~ 1 Comment

Construction Update: Continued progress on utility relocation, tunnel site preparation

A worker inspects a reinforced steel structure at a work site on Stockton and Market streets. Since our last three-week construction update, work to prepare the tunnel launch site for tunneling and to relocate utilities around Union Square has continued to progress. In the next three weeks, the following work will be underway: Union Square/Market Street Station […]

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30 March 2012 ~ 1 Comment

Construction Update: Utility Work on 4th Street between Harrison and Bryant

An excavator at the construction site on 4th Street. Work to demolish and relocate utility lines has commenced along 4th Street between Harrison and Bryant streets. The purpose of this work is to prepare the Central Subway alignment for construction of a launch box at the site where the tunnel boring machines will begin tunneling. […]

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