Cairo Underground | Egypt

Excavation diameter

6.70 m

Tunnel length

4,500 m


Sand and silty sand

Type of support

Prefabricated segments

Completed in

in progress


Hassan Allam Co.

Two Slurry TBMs measuring 6.7 m in diameter which, from Al Ahramat Station (in the shadow of the Pyramids of Giza) head towards the centre of Cairo before reaching El Mesaha Square station. Undercrossings of sensitive areas in the Cairo sands are planned on the 4.5 km of excavation of each drive.

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