NHSRCL launches 100 m long Steel Bridge over Four Railway Tracks in Surat, Gujarat for Mumbai Ahmedabad Bullet Train Project

National High-Speed Rail Corporation Limited has successfully launched a steel bridge over four railway tracks; two of western railways and two DFC tracks between Kim & Sayan for the Mumbai-Ahmedabad Bullet Train project.

The bridge comprises two spans; 100 m, and 60 m, and will facilitate a double-line Standard Gauge rail track. This crucial infrastructure development involved the crossing of four major tracks- two western railways two DFC tracks and an irrigation canal.

The 100 m span was launched over the western railways & DFC tracks from 28th January 2025 to 5th February 2025 while the 60m span will be erected over the irrigation canal located adjacent to the tracks at the construction site.

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For the launching of a 100-meter-long steel bridge (weighing 1432 metric tonnes) over Western Railway and DFCCIL tracks, an 84-meter-long launching nose weighing about 525 metric tonnes is used. This 14.3 m wide, 100 m span steel bridge having 1432 MT weight has been fabricated at an RDSO-approved workshop located at Bhuj, Gujarat, and transported to the site by road for installation.

The 100 m span of this steel bridge was assembled at the Ahmedabad end approach of the site at a height of 14.5 m from the ground on a temporary structure and was pulled with an automatic mechanism of 2 no. of semi-automatic jacks, each of capacity of 250 ton using 50 mm diameter Mac-Loy bars. The height of the piers at this location is 12 m.

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The launching was completed with intermittent traffic blocks on both Western Railway and DFC tracks. These traffic blocks were essential to ensure the safety and precision of the bridge launch, which was carried out in phases to minimize disruption to regular train and freight services.

The project is being executed meticulously, maintaining the utmost standards of safety and engineering excellence. Leveraging Japanese expertise, India is increasingly utilizing its own technical and material resources to build infrastructure under the "Make in India" initiative. The steel bridges for the Bullet Train Project are a major example of this effort.

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