The primary Orthotropic Metal Deck (OSD) span of the Mumbai Trans-Harbour Hyperlink (MTHL) venture, which is able to hyperlink south Mumbai with Navi Mumbai, was efficiently launched just lately.
As per a launch by the Mumbai Metropolitan Area Growth Authority (MMRDA), span, 119 meters in size, weighs 1,331 metric tons.
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It was a part of ‘Bundle-1’ which entails the development of a ten.38 km lengthy bridge throughout Mumbai Bay together with Sewri Interchange at Mumbai facet.
The civil work of Bundle-1 is awarded to the consortium of Larsen & Toubro and IHI Infrastructure Techniques Co Ltd (Japan).
The MMRDA, a Maharashtra authorities company, is the implementing authority for the 21.8 km six-lane MTHL venture, financed by the Japan Worldwide Cooperation Company (JICA).
When accomplished, it will be the longest sea bridge in India and would cater to 70,000 automobiles every day.
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“The OSD is a Metal Deck Superstructure (strengthened or stiffened each transversely and longitudinally) which is able to carry the vehicular load extra effectively and enhance the load-carrying capability of the bridge as in comparison with concrete superstructure,” the discharge mentioned.
An OSD bridge has much less self-weight however a stronger construction than concrete or composite girder bridges. “180 meters OSD, which is utilized to the MTHL Bridge, is the world’s longest stage of span size that requires superior manufacturing know-how and extreme high quality management,” the discharge said.
The deck segments have been separated into six to eight blocks of 30 MT most and delivered to the location in whole 33 shipments by ocean liner, the discharge mentioned.
The blocks have been assembled on the venture web site. “As soon as accomplished, the venture will scale back the journey time from South Mumbai to Navi Mumbai from 120 minutes to merely 20 minutes,” mentioned Saito Mitsunori, chief consultant, JICA India.
Maharashtra Minister for City Growth Eknath Shinde mentioned that the Mumbai Trans Harbour Hyperlink (MTHL) venture is more likely to be accomplished by October 2022.
Shinde added that the venture goals to facilitate decongestion of the island metropolis by enhancing connectivity between Island metropolis and the mainland (Navi Mumbai) and improvement of Navi Mumbai Area.”
”MMRDA has undertaken the implementation of the Mumbai Trans Harbour Hyperlink Undertaking, connecting Sewri on Mumbai facet to Chirle on Navi Mumbai facet. The longest sea bridge in India will assist Mumbai unfold sideways.”
(With inputs from businesses)