In one of the executive projects, which was carried out by using Shayan Roodehdar, a tunnel 120 meters long, 2.5 meters wide and 2.5 meters high was excavated to transfer water and waste water from the new city of Pardis to the Pardis treatment plant. This tunnel was excavated in a working front made of Samante conglomerate rock with a high degree of cementation and a compressive strength of about 60 MPa. In terms of location, this project was located as an underpass under the old road and Tehran-Bumhan highway, next to Pardis Azad University, which started at a depth of 13 meters below the ground, and ended at 21 meters below the ground. Below, you can see a video of the different stages of this project with its specifications table: