MAPPA has successfully provided consultancy services for several tunneling projects in India.Our Services include advance surveying for tunneling and fixing of alignment and pre and project implementation support.

Technical Services offered

  • Accuracy Analysis 
  • Base networks
  • Tunnel drilling machine guidance system
  • Staking out and setting out
  • Cross section measurements
  • Laser checks
  • Deformation measurements both manual and automated
  • Installation of survey consoles