CONSTRUCTION OF CAIRO METRO LINE 2

A new 30 km underground railway line is being built in the heart of Cairo, one of the world's largest and fastest growing cities. Cairo Metro Line 2 will link the pyramids of Giza on the west bank of the Nile to central and northern Cairo on the opposite bank when completed in 2001. This paper briefly describes the methodology used for construction of the 18 stations, tunnels and workshop which make up this US$2 billion project - including the first ever tunnel under the Nile. A number of innovative solutions were developed to solve the problem of water leakage during construction. (A)