DESCRIPTION:
Ostour Dam is constructed in a distance of 40.- kilometers away from the northeast of Mianeh in East Azarbaijan Province. The excavation and consolidation operations of the diversion tunnel, located at the support of the dam, were borne by this Company, and aiming at construction of this tunnel, two adits (totally 125.- meters in length) were excavated. The runway system was applied for constructing the body of Ostour Dam, and in order to having access to the installation place of this system and operating the same, RT1 Tunnel was excavated as well.
