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.
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.