Bhoiguda underpass to unclog by Hyderabad Metro Rail Over Bridge


Hyderabad: Hyderabad Metro Rail Limited (HMRL) officials shared the news that they have completed erection of a Metro Rail Over Bridge (ROB). The facility has come up at the congested and narrow Bhoiguda underpass. NVS Reddy, managing director, HMRL post inspection on Sunday of ROB made an announcement that the project has been completed successfully.

This project had to face several hurdles and challenges with regards to engineering, location and covering issue of space. But despite of these challenges, HMRL authorities completed the ROB within the stipulated period of time.

Having completed this ROB that is part of Corridor- II (JBS-Falaknuma) of the Hyderabad Metro rail, L&T—the concessionaire for the Metro project has constructed 8 ROBs in across the city till date.

At a special factory located in Ghaziabad, the complete steel bridge was made employing simulating site conditioning technique at Bhoiguda.

The dismantled bridge was then transported to the location in special containers at the Old Gandhi Hospital premises in Monda Market area of Secunderabad, informed the authorities.

Once the dismantled bridge reached the location, it was reassembled as per the design. The authorities used high strength steel plates and about 51,000 imported HSFG (high strength friction grip) bolts, between Secunderabad West Metrostation (of Corridor – II) and Bhoiguda Road Under Bridge (RUB).

HMRL explained that the reassembled steed bridge weighed nearly 960 MT. It was transported gradually and pulled using special pulling arrangements provided above the Metro pillar and on top of specially erected steep support structures.

Reddy shared with the Time of India that “Due to the curvy nature of the rail track, which takes a sharp left turn over the existing Bhoiguda RUB of Indian Railways, the Metro ROB had to be designed as a very wide steel bridge with a width of 64 ft and a length of 221 ft at a height of about 40 ft over the road level in the shape of a box. Inside this box bridge, a composite deck slab — a mixture of steel and reinforced cement concrete slab is being laid to accommodate two tracks.”

During the final installation process, the entire task was successfully carried out in within six hours of ‘traffic block’ – a time given by Indian railways that had temporarily suspended train operations during the process.


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