+Project Description: Excavation, design, and operation of wall stabilization by construction and installation of screw steel structures by top-down method and permanent drainage of the project
+Employer Name: Mr. Lajevardi
+Date of implementation: January 2018
+Project location: Tehran, Shariati St., in front of Gholhak metro
+Description: Excavation depth 29 meters, permanent drainage at the level of -17 meters, and installation of a tower