[...] only five drives by TBMs remain to cover about 1.3 km (0.8 mile), of which 675 m (2.220 ft) is on the Central Secretariat-Badarpur line and 600 m (2.000 ft) on the Airport Express Line. Besides this, about 550 m (1.800 ft) to be constructed by cut-and-cover method remains on the Airport Express Line.
Second phase of New Delhi Metro Line completed Anonymous Mining Engineering; Sep 2009; 61, 9; Docstoc pg. S11 Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.
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