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Detailed design of underground constructions
- 21.6 km long, 16 underground stations
- Total costs: US Dollar 750 million
- Construction period: 2005-2011
Under construction:
NATM technique:
- 0.5 km single track tube (full section 36 m²)
- 3.0 km plattform tunnel (full section 62 m²)
- 0.8 km connecting tunnel (full section 60-70 m²)
EPB technique:
- 7.5 km single track tube (diameter 6.5 m)
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