Archive | Featured Photos

19 July 2016 ~ 2 Comments

Featured Photos – July 19

The Central Subway Project continues to upgrade the sewer and utilities along the alignment. These improvements are part of the infrastructure of this new transportation extension. Heavy excavation equipment performs work a large utility trench at Freelon and 4th, where dual sewer lines are being installed.   Workers lower equipment into an excavated trench at 4th and Freelon, where two […]

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29 June 2016 ~ 0 Comments

Featured Photos – June 29

At the corner of 4th and Folsom, we are constructing the future Yerba Buena/Moscone Station.  Excavation of the entrance structure, called the headhouse, has reached the platform level of the station. The station’s mezzanine level and platform are located under 4th Street between Folsom and Howard.  Here, workers finish construction of the mezzanine level’s floor […]

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17 June 2016 ~ 1 Comment

Featured Photo – June 17

This week’s photos feature above and below ground images at the Union Square|Market Street Station. Here, a backhoe fitted with a jackhammer breaks up pieces of concrete during excavation of the station box.   Below, sparks fly as a worker uses an angle grinder to smooth edges of a steel bracket inside the north concourse, where temporary steel reinforcing […]

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06 June 2016 ~ 0 Comments

Featured Photo – June 6

Above ground, passersby can see newly-installed ventilation fans and ductwork on the east side of the Chinatown Station site.   Underground, work to begin excavation of the initial portion of the station cavern has begun.   Up close, two men in a hi-lift basket work toward the top of the right side of the cavern , where steel reinforcing is […]

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27 May 2016 ~ 0 Comments

Featured Photo – May 27

Our offices have moved. We are now located near the portal to Chinatown, at the edge of Union Square.  Our new address is 530 Bush Street. We can be contacted at

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23 May 2016 ~ 0 Comments

Feature Photo – May 12

This week’s photos capture work taking place underground at 4th & Folsom. In the center of this image, an elevator carries workers and equipment to and from the underground work site.   Workers assemble rebar cages for mezzanine floor beams by hand.   A closer view of the rebar work. To the right, a worker signals fellow team members […]

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16 May 2016 ~ 0 Comments

Featured Photo – May 5

Work along 4th Street in the SoMa district includes lots of infrastructure preparation. Here, sections of pipe are unloaded from a truck north of Townsend and stacked for installation.   New foundations for overhead wires are being installed along the surface portion of the alignment from Townsend to Bryant.   Utility installation and upgrade work continues […]

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28 April 2016 ~ 0 Comments

Featured Photos – April 28

Construction is in full swing both above ground and below on Stockton between Maiden Lane and Ellis Street. In this photo, concrete for a new curb has been poured at the northeast corner of Stockton and Geary streets.   Waterproofing vinyl and a slab of concrete now cover a new section of roof deck on […]

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21 April 2016 ~ 0 Comments

Featured Photos – April 21

This week’s photos feature shots of scaffolding erected around the future Chinatown Station cavern entrance archway, where jet grouting and drilling operations are taking place.   A worker climbs a scaffolding ladder at the northwest corner of the headhouse, that’s a fancy word for station entrance, where work is underway.   A construction crew member reaches the bottom […]

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14 April 2016 ~ 0 Comments

Featured Photos – April 14

This is what one might see above ground where utility upgrade work is underway at 4th & Howard —  construction workers, planks and heavy equipment.   Here is a look at the work taking place underground, where construction crew members mix materials for the next phase of mezzanine floor slab construction.   An up close photo of a carpenter as […]

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