UNDERGROUND TUNNEL CONSTRUCTION FOR MUMBAI METRO

Mansi Kumar

CT3000

Construction of Underground Stations namely CST Metro, Kalbadevi, Girgaum and Grant Road by cut and fill method, NATM (New Australian Tunneling Mthod) or both; and Twin Tunnel between CST and Mumbai Central – Up Line (from Ch. 3770.58 m to Ch. 7842.62 m) and Down Line (from Ch. 3801.05 to Ch. 7860.22 m) by TBM (Tunnel Boring Machine - Terratec).

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