23 March 2012 ~ 0 Comments

Construction Update: Wrap, drilling complete; utility relocation continues

Paving O’Farrell Street. Since our last construction update, Central Subway contractors have continued to make progress, completing the following work: Drilling operations around Union Square to collect information about the chemical conditions of soil and groundwater Installation of a decorative wrap at 933 to 949 Stockton Street, the future site of the Chinatown Station Installation of […]

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11 May 2010 ~ 3 Comments

Geotechnical Drilling is on Schedule

Contrary to the Examiner article “Central Subway behind schedule,” dated 5/11/10 and written by Katie Worth, the Central Subway Project boring operation is not behind schedule.  The schedule for this segment, geotechnical drilling, of the project was rearranged to accommodate concurrent on-going utility relocation activities.  This is simply an example of contractors working together and […]

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07 May 2010 ~ 0 Comments

Updated May 2010 Drilling Schedule

There have been changes to the drilling schedule!  Please read the following notice and the dates in red are the new scheduled days for drilling. The San Francisco Municipal Transportation Agency and PB/Telamon with Treadwell & Rollo will continue drilling operations for supplemental geotechnical investigations; the purpose of which are to provide critical geotechnical and […]

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09 March 2010 ~ 0 Comments

Drilling Notice: March 10-15, 2010

The Central Subway Project will begin drilling operations for supplemental geotechnical investigations in your neighborhood. From March 10-15, 2010, drilling will be on Fourth and Harrison streets. We sincerely apologies for any inconvenience  this may cause you. Please review this flyer for more information regarding construction work hours and duration of this project. If you […]

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05 March 2010 ~ 0 Comments

Supplemental Geotechnical Schedule

The San Francisco Municipal Transportation Agency and PB/Telamon with Treadwell & Rollo has begun drilling operations for supplemental geotechnical investigations; the purpose of which are to provide critical geotechnical and hydro-geologic information needed for final design and pre-construction of the proposed subway tunnel and associated structures. Here’s the anticipated drilling schedule throughout the month of […]

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