Subject of the Contract:
Construction of the tunnel between the A7 station and the A7-B7 tunnel ramp in 7th line of Tehran subway

Employer: Tehran Urban and Suburban Railway Company
Consultant: Behro Consulting Engineers Company
Contractor: Saabniroo
Contract Date: Summer of 2016
Duration of Contract: 6 months
Project location: Tehran Province - Tehran City


Subject of the Contract:
Construction of the tunnel between the A7 station and the eastern terminal, and construction of the U-wall in 7th line of Tehran subway

Employer: Sepasad Engineering Company
Consultant: Behro Consulting Engineers Company
Contractor: Saabniroo
Contract Date: Spring of 2017
Duration of Contract: 10 months
Project location: Tehran Province - Tehran City


Project Description:
This project includes 700 meters of access tunnel and 1000 meters of main tunnel.

The main volume of work:
Tunnel Boring: 94,300 M3
Piles and Ribs Drilling in the Gallery (manually): 600 M3
Formwork: 21,000 M2
Reinforcement Work: 2,900 Ton
Strut and H-pile: 20 Ton
Lattice and Framing: 5,200 Ton
Reinforcement Meshing Work: 830 Ton
Concreting Work: 14,500 M3
Shotcrete Work: 48,000 M2
Insulation Work: 27,000 M2