NHSRCL invites bids for the construction of a 21-km tunnel for the Mumbai-Ahmedabad bullet train

The tunnel will traverse Thane Creek, and the underwater static refraction technique was used to complete the survey work under the creek

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NHSRCL has completed 33% of land acquisition in Maharashtra for MAHSR Corridor
Image Source: NHSRCL
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NEW DELHI, INDIA (Metro Rail News): On Friday, the National High-Speed Railway Corporation Limited (NHSRCL) released a request for proposals to construct a 21-kilometre tunnel for the Mumbai-Ahmedabad High-Speed Rail Corridor (MAHSR).

According to a spokeswoman for the NHSRCL, the tunnel will be built between the Bandra-Kurla Complex underground station and Shilphata in Maharashtra’s Thane district.

He said bids are being sought for tunnelling work 21 kilometers down, including a 7-kilometer-long undersea tunnel to be built utilising the Tunnel Boring Machine (TBM) and the New Austrian Tunnelling Method (NATM).

The tunnel will be a single tube twin-track tunnel with a 13.1 meters diameter that runs from BKC to Shilphata. The tunnel is 20.37 kilometers long in total, with 7 kilometers undersea. The package is open to both Japanese and Indian businesses, according to the official. The Mumbai-Ahmedabad High-Speed Rail Corridor is estimated to cost Rs 1.08 lakh crore in total.

The tunnel will traverse Thane Creek, and the underwater static refraction technique was used to complete the survey work under the creek.

According to the shareholding pattern, the Centre would contribute Rs 10,000 crore to the NHSRCL, while Gujarat and Maharashtra will each pay Rs 5,000 crore. Japan will pay the remainder through a 0.1 per cent interest loan.

According to the official, at least 77.68 per cent of the land needed for the bullet train line has been purchased, or 1084.48 hectares out of a total of 1,396 hectares.

While 432.67 hectares are required for this ambitious project in Maharashtra, just 143.06 hectares have been purchased yet, according to the report. During a bid conference, seven Indian businesses expressed interest in building the undersea tunnel for the ambitious MAHSR route.

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1 COMMENT

  1. Ask them to have a connection with Navi Mumbai International Airport as well as The NAINA city as Navi Mumbai Based NAINA city is the first smart City for a metro in India as envisioned by PM Modi. So, if Infrastructure development happens here at a rapid pace, then There will be trust built among the investors. This would lead to easier funding and execution of future smart City projects. Also, another important aspect is that the HSR of Mumbai should start from CST Mumbai and not from BKC as majority of the rich people are Expected to travel from this area and if they are forced to travel upto BKC first via normal train and then catch a bullet train to go to Ahmedabad or Delhi, then it won’t be suitable for all the Diamond Merchants and Traders and Workers travelling from South Mumbai to Surat. So, hopefully these demands can be adhered to as they are extremely genuine!

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