Karoun-1 dam: The projects consists of erecting four units of generator bus ducts and the subsidiary equipment with an approx. weight of 930 tons, transferred from the lower part of the dam by two oblique shafts and narrow galleries and finally by vertical shaft with a height of 120 m to the top of the dam (take off yard) and to the rear of the transformers. The complex was commissioned after undergoing the necessary tests. Masjed Soleiman dam: This project include erecting and commissioning four bus duct of generator and the subsidiary weighing 200 tons including steel structure bus ducts, air pressurizing system, switch gear.