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Friday, October 1, 2010

Greenline Extension Field Work Continues

Field Survey: Week ending 10/8/10:
  • Survey of drainage system inverts* within the Lowell Line Commuter Rail corridor (postponed from a previous date)
  • Bridge survey within the Lowell Commuter Rail corridor at Cedar Street in Somerville
*Inverts are elevations of the interior bottom of the existing drain pipes measured at a drainage structure.

 Boring Program:Weeks ending 10/1/10 and 10/8/10:
  • Borings within the MBTA Lowell Commuter Rail right-of-way at Medford Street in Somerville
  • Borings within the MBTA Lowell Commuter Rail right-of-way from Harvard Street in Medford to Cross Street in Somerville
  • Borings for the Green Line Extension vehicle and maintenance facility within the Inner Belt area of Somerville
Boring typically occurs between 7:00 AM and 3:30 PM on weekdays.

Please note that, as field work continues along the future Green Line Extension right-of-way, passing trains are required to blow their whistles whenever they are within the areas of the field work.

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