AUGER BORING
A common, two-pass method for installing steel casing as a liner to accommodate a new underground utility (carrier) pipe.
GUIDED BORING
Known also as Pilot Tube Microtunneling (PTMT) and is best suited for line and grade critical crossings over long distances.
ROCK BORING
Similar to auger boring, it utilizes a standard auger boring machine and augers for spoil removal. The difference is in the cutterhead attachment.
PIPE RAMMING
Unlike the auger-boring method, the Pipe Ramming method does not remove soils simultaneously with the advancement of the casing.
TUNNELING/PIPE JACKING
A one-pass method for installing reinforced concrete pipe (RCP) to typically serve as a storm sewer. (Conventional Method)
HAND MINING
A method for installing a number of different pipe materials such as steel casing, reinforced concrete pipe, and reinforced concrete box segments.
