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A general view of the second girder that was erected this morning at the Bow bridge (the junction point between Bandra-Worli sealink and coastal road) is seen, in Mumbai on 27 November 2024.
(Express photo by Sankhadeep Banerjee. 27.11.2024.)
The iconic Bandra-Worli Sea Link, a critical artery connecting Mumbai’s island city with its western suburbs, is set to undergo its first-ever scour survey, marking a significant step in ensuring the structure’s long-term integrity. The Maharashtra State Road Development Corporation (MSRDC) has initiated the process by inviting bids from qualified agencies to conduct both an underwater inspection and the scour survey of the sea link’s pillars.
“While periodic underwater inspections have been carried out since the bridge’s inauguration, this marks the first time a dedicated scour survey will be conducted,” said an MSRDC official. Scour surveys are crucial for identifying potential erosion around the base of bridge piers—a phenomenon that can lead to structural instability if left unchecked.
To execute the survey, MSRDC plans to employ submersible remotely operated vehicles (ROVs), robotic instruments designed for underwater exploration. “The ROVs will allow experts to meticulously assess the condition of the sea link’s underwater structures and detect any potential scour-related issues before they escalate,” said an MSRDC official.
The iconic Bandra-Worli Sea Link. (Express photo by Sankhadeep Banerjee. 27.11.2024.)
The MSRDC has called for bids from experienced agencies, setting a deadline of January 20 for online submissions and January 21 for offline proposals. A pre-bid meeting will be held on January 9 to address queries from interested parties, with the bids scheduled to be opened on January 22. The estimated cost for the project is approximately Rs 8 crore.
A retired MSRDC engineer highlighted the significance of this initiative: “Scour surveys are standard practice for major bridges, though this is the first time it’s being done for the Bandra-Worli Sea Link. An underwater inspection has been conducted for other structures, such as the old Vashi Creek Bridge.”
Spanning 5.6 kilometres, the Bandra-Worli Sea Link was fully opened to traffic in March 2010 and has since become a vital part of Mumbai’s transportation network. The sea link charges a toll of Rs100 for a one-way trip for cars, sees thousands of vehicles each day, facilitating north-south travel across the bustling metropolis.
Now 14 years old, the bridge requires regular maintenance to uphold its safety and functionality. The upcoming underwater inspection and scour survey are part of these ongoing efforts, ensuring that this engineering marvel continues to serve the city’s commuters reliably, added the official.
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