Subject of the Contract:
Implementation of three-way and the link between 6th and 7th lines of Tehran subway


Employer: Tehran Urban and Suburban Railway Company
Consultant: Behro Consulting Engineers Company
Contractor: Saabniroo
Project location: Tehran Province - Tehran City

First Contract Date: Autumn of 2015
Duration of Contract: 12 months

Second Contract Date: Summer of 2016
Duration of Contract: 9 months

Third Contract Date: Winter of 2017
Duration of Contract: 4 months


Project Description:
This project includes 1000 meters of access tunnel and 500 meters of link tunnel.

The main volume of work:
Tunnel Boring: 58,000 M3
Piles and Ribs Drilling in the Gallery (manually): 11,500 M3
Drilling piles with a Drilling Machine: 380 M
Formwork: 12,000 M2
Reinforcement Work: 4,500 Ton
Strut and H-pile: 200 Ton
Lattice and Framing: 5,200 Ton
Reinforcement Meshing Work: 750 Ton
Concreting Work: 30,000 M3
Shotcrete Work: 51,000 M2
Insulation Work: 18,200 M2