Records and Achievements

Establishing the deepest water reservoir in the world with a depth of 132 m in Gotvand project

Establishing the longest earth dam in the Middle East, with a height of 182 m from the foundation of Gotvand project

Constructing the first subway built with the Diaphragm walls technology in the country in the w7 station of Tehran subway

Executing the earth filling operation of the body of the dam amounting to 1180000 m3 per month in Gotvand project

Executing the concrete casting of a structure amounting to 72000 m3 per month in Gotvand project

Setting the record of 6200 m2 cut-off wall in one month in the Karkheh dam project as an unprecedented record in the world

Executing urban tunnel (mechanized drilling) for 51 m in one day and night in the project of line 7 of Tehran subway

Executing the earth filling operation of the body of the dam amounting to 51000 m3 per month in Gotvand project

Executing the cut-and-cover operation amounting to 1300000 m3 per month in Gotvand project

Executing the consolidation grouting and sealing, with a length of 36000 m in Gotvand project

Drilling the longest water transition tunnel in the country, with a length of 19 km and diameter of 6 m in Kani Sib project