Pipeline Micro-Tunnelling

1.    Micro Tunnelling process uses a Micro Tunnel Boring Machine (MTBM) combined with pipe jacking technique.

2.    Pipe jacking from launch shaft to reception shaft.

3.    Hydraulic Jacks used to push Jacking pipes behind a tunnel boring machine

4.    Carrier pipe inserted in jacking pipe.

 Advantages                                                              

1.    Micro-tunnelling can be used wherever HDD cannot be done.

2.    Crossing of Rivers with gravels, cobbles & boulders.

3.    Installation of more than one pipe in the tunnel.

4.    Precise installation and Minimum space at both ends.

5.    Can be done in curved path also.