By the presence of Tunnel Saz Machine Company in wastewater and surface water transport of Qatar, and the achievement of excavating more than 3000 meters tunnel in different sizes, during signing new contracts and starting a project with 1800 meters length with AVN1600 Machine, and completing its first drive with 135 meters length, Tunnel Saz Machine still continues its excavating activities with Micro TBM Machines in Qatar. Moreover, TSM Company has been started a new project with size of 800 mm that has finished its first drive till now within three days with approx. 60 meters length, and regarding the special geotechnical specification of Qatar, with average of 20 meters daily excavation. It is worth mentioning that for achieving and attaining the company’s targets in relation to design and construction of excavation machines, at the moment in excavating projects with AVN800 Machine, the manufactured cutter head of this company is being used which till now more than 1000 meters excavating length in different kinds of grounds, sometimes up to 80 MPa resistance and with a penetration rate of 3 mm per round, has been done with complete success.