Dar El Salam Sewer Tunnels

• Responsible Authority:General Organization for Greater Cairo Sanitary Drainage (GOGCSD)
• Consultant:Owner (GOGCSD)
• Location:Ramadan El Leithy, Hussain Gad El Rab and Gomaa Ozaim streets

Construction of three sewer tunnels with lengths 153.1 m, 209 m and 261.5 m and internal diameters 1800 mm, 1200 mm and 1800 mm respectively under Ramadan El Leithy, Hussain Gad El Rab and Gomaa Ozaim streets by the pipe jacking technique, utilizing an Earth-Pressure-Balanced Tunnel Boring Machine "EPB - TBM". Dewatering was strictly prohibited during the construction of the job.