هوا رسانی تونل صدر نیایش تهران

Tunnel length: 5265m(two band)
Tunnel width: 16 m(each band)
Excavation method: Semi-mechanized(roadheader) & other
Working staff: 4798

Heavy equipments: 432
Pars Danesh responsibility designing and manufacturing of ventilation equipments such as ventilators ducts, electrical panels and junctions, testing,
starting up and managing of Ventilation system.