Announcing the above in an interview with our reporter, substitute to the project commissioner of this project said: "Concreting operation of this tunnel was finished in Asian Tajikistan country, based on which, necessary ground was prepared for repair and maintenance operations of walls, injection of ceiling, drilling and concreting various channels."
Turning to the completion of concreting operation of this tunnel, he said: "Rehabilitation and preparation of this tunnel, as the most important communications tunnel in Tajikistan, was completed which connects southern and northern parts of this country to each other."
The project commissioner put the physical progress of this giant project at more than 83 percent, added: "Concreting floor of this tunnel, regarded as the most important and difficult part of this project, was conducted due to high volume of water and also penetration of water from ceiling."
Concreting operation of this tunnel was conducted by the most experienced engineers and manpower of Iran Water and Power Resources Development Company earlier than due date, he mentioned.
As long as five km, this tunnel connects important cities of "Dushanbe" and "Khojand" to each other, he said, adding: "This tunnel has been named after "Esteghlal, Independence" due to its important and strategic role play in Tajikistan."
It should be noted that this tunnel is located as high as 2,800-m above sea level, he opined.
Substitute to this giant project in Tajikistan, he said: "In addition, a string of drainage and aeration tunnel has been placed along with this main tunnel, so that running waters of main tunnel is guided inside it."
Construction operation of this tunnel was not ceased due to its importance and key role that playing in transport and economic system of the country, he said, adding: "The said issue caused transport minister of Tajikistan to express his special thanks to commissioners and Iranian engineers for completion of construction operation of this tunnel earlier than the due date."
It is worth mentioning that construction operation of Anzab Tunnel of Tajikistan, which some part of its credit is provided by the government of Islamic Republic of Iran, was delegated and transferred by the respected government of Iran to Iran Water and Power Resources Development Company due to some problems created in previous years for construction operation of this giant project in neighboring Tajikistan, he ended.