Nagpur: MahaMetro has deployed 15 launching girders across the under-construction Phase-II expansion of Nagpur Metro, with officials claiming it could be the highest number of launchers deployed for a metro project of comparable length anywhere in India. The latest milestone came with the commissioning of the fifth launching girder in the Khapri–Butibori section (Reach-1A), aimed at accelerating viaduct construction work on the corridor.
Critical Engineering Activity
Launching operations of segmental box girders are considered among the most critical engineering activities in metro rail construction, as they enable the erection of elevated viaduct spans at a faster pace. Officials said timely deployment of multiple launchers is crucial to maintaining construction schedules for large-scale metro projects.
Simultaneous Deployment Benefits
A senior MahaMetro official stated that simultaneous deployment of multiple launchers is helping speed up superstructure work and reduce execution timelines. “This may be the highest number of launchers deployed in a metro project of this scale and length in India,” the official said.
Project Background
The Phase-II expansion of Nagpur Metro includes several corridors, with the Khapri–Butibori section being a key component. The use of 15 launching girders is expected to significantly accelerate the construction of viaducts, which form the backbone of the elevated metro network.
Impact on Timelines
With multiple launchers working simultaneously, the project is likely to meet or even surpass its construction milestones. This approach not only speeds up the erection of spans but also optimizes resource utilization and minimizes delays associated with sequential launching.
Industry Context
India's metro rail sector has seen rapid growth, with several cities expanding their networks. The deployment of 15 launching girders for a single project of this scale underscores the engineering capabilities and commitment to timely completion. MahaMetro's achievement sets a benchmark for future metro projects across the country.
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