watch this DC Water First Street Tunnel project video that describes "ground freezing" feeding from the McMillan site -- featuring Flagler and Adams St NW !

See this tweet from DC Water:

DC Water ‏@dcwater22h

.@SkanskaUSA plans to use "ground freezing" to minimize impacts of #1stStTunnel project: http://www.youtube.com/watch?v=iAQn0dPx7Tk&feature=youtu.be … (VIDEO) #BloomingdaleDC

11:44 AM - 10 Jan 14



http://www.youtube.com/watch?v=iAQn0dPx7Tk&feature=youtu.be