Magnum has equipment for and is experienced in the following methods of trench-less construction:


Tunneling from 18 to 180 inches in diameter, including but not limited to:

  • Machine Tunneling
  • Hand Tunneling
  • MicroTunneling
  • Utility Tunneling
  • Pipe Jacking
  • Pipe Ramming
  • Wood Box Tunneling
  • Tunnel Shafts (Access and Receiving Shafts):
    • Timber Shafts
    • Liner Plate Shafts
    • Steel Beam and Timber
    • Trench Box and Steel Plate Shafts
  • Grouting
    • Outside Diameter Grouting (Between the primary liner and the earth)
    • Inside Diameter Grouting (Between the primary liner and the carrier)