SADR STONE · Projects
Alborz Tunnel — Architectural materials
Sadr Stone’s published case study identifies the company as an exposed-concrete tile supplier for the Alborz Tunnel on the Tehran–North Freeway. Its archive reports an order in 1398 SH, cooperation with General Mechanic and approximately 10,000 m². Explore the archive photographs and the related material-supply case study.
Project and material-supply record
| Project | Alborz Tunnel, Tehran–North Freeway section 2 |
|---|---|
| Route location | Pich-e Sarhang to Pol-e Zanguleh area |
| Order year, company archive | 1398 SH |
| Reported supplied area | Approximately 10,000 m² |
| Company named in the supply archive | General Mechanic |
| Supplied material | Exposed-concrete tiles |
Order year, area and supply details are from Sadr Stone’s archive. The route, tunnel length and contractor profile can be checked in the references below.
The Tehran–North Freeway company lists each Alborz tunnel bore as 6.4 km long. The Association of Iranian Construction Companies lists Alborz among General Mechanic’s completed projects, describing it as the Middle East’s longest freeway tunnel.
