PATNA (Metro Rail News): The Patna Metro Phase 1 project has achieved a significant milestone with the first tunnel breakthrough of TBM Mahavir at Patna University Metro Station on the 14.05 km Line 2.
Package
This milestone marked the first tunnel breakthrough for the Patna Metro project within the 8 km underground Package PC-03, which connects Rajendra Nagar and Patna Junction Railway Station.
TBM
TBM DZ1090, nicknamed Mahavir, is a 6.65m diameter Earth Pressure Balance (EPB) machine built by China Railway Construction Heavy Industry Co. Ltd. (CRCHI).
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Assignment
Following the assembly, TBM Mahavir was lowered into its launching shaft at Moin-ul-Haq Station in March 2023. Subsequently, it was deployed for its first assignment with the aim to construct a 1494m portion of the down-line tunnel towards Patna University in April 2023.
Contract
The Delhi Metro Rail Corporation (DMRC) awarded this Rs. 1989 crore contract to Larsen & Toubro in December 2021 with a 42-month deadline.
Patna Metro Project
The 39.1 km long Patna Metro Phase 1 project features 2 corridors. Line 1 (East-West corridor) spans 16.86 km connecting with 14 stations, while Line 2 (North-South Corridor) covers 14.05 km linking Patna Junction Railway Station and New ISBT with 12 stations.
With the current progress, the priority section of the Patna Metro Phase I project is likely to be finalized by August 2024, while the entire Phase 1 is anticipated to be completed in 2027.
Project Overview