Posted 5/14/2014 20:18 (#3870443 - in reply to #3868620) Subject: RE: Horizontal boring today (pics)
Fruita CO
Several years ago they were boring under a 4-lane highway here, a sewer line I think-big pipe. The ground under the road was so dry & grainy it kept falling into the bore & they just augered it out...They noticed the problem when the pavement started sinking...highway was closed for a while.
Horizontal boring today (pics)
