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Copyright © National Authority for Tunnels 2013
Phase 2 of Line 3
 Phase 2 : (Abbassia square / Al-Ahram street in Heliopolis ) :
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- This phase extends from Abbassia square to Haroun St. with a length of 7.7 k.m, Four underground stations will be put into service (i.e. Cairo Fair Stadium, Koleyet Al Banat and Al-Ahram) where Haroun station will be put into service at the beginning of the execution period of phase 4 .
* TBM  machines used in phase 2 execution:
- Two types of the TBM machines ( Slurry TBM and EPB TBM ) were used in execution of phase 2 due to the difference of the soil nature through the distance from Abbassia station to Haroun station
- This TBM works efficiently with the boring system by using the Bentonite in the sandy soil . Its execution rate is 12-15 meters per day , it`s total weight is 450 tons in addition to 350 tons for the vehicles with total length 75 meter  
* Slurry TBM  :
* EPB TBM  :
- This TBM work efficiently with the boring system by using the Foam in the clay soil. Its execution rate is 6-8 meters per day , The total weight of the TBM is 780 tons in addition to 1935 tons for the vehicles . the total length od the EPB is 175 meter
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