'Made In India' Giant Equipment Launched To Build Mumbai - Ahmedabad Bullet Train Corridor
Indigenous equipment to boost high speed rail project......
In a bid to encourage the government's Aatma Nirbhar Bharat Abhiyan initiative, full span launching equipment with capacity of of 1100 MT is indigenously developed by Larsen & Toubro at Kanchipuram, Chennai
Published by Thinking Boxx
10-09-2021 12:45 AM IST
A-216-wheeled equipment for launching multi-tonne girders for India’s first high speed rail project on Mumbai-Ahmedabad corridor is ready to roll. On September 9, Union Railway Minister Ashwini Vaishnaw flagged off the indigenously designed and manufactured ‘Full Span Launching Equipment (FSLE) Straddle Carrier and Girder Transporter’ to expedite the construction of viaduct for Rs 1.1 lakh crore Mumbai-Ahmedabad Bullet Train project.
This 1,100 metric tonne (MT) FSLE has been manufactured by Larsen & Toubro at Kanchipuram. This massive equipment will expedite the process of launching girders as the precast girders of full span length will be erected as a single piece for double-track viaduct.
Railway officials said the standard precast pre-stressed concrete (PSC) box girders weigh in the range of 700 to 975MT and span 30, 35 and 45 meters. They will be launched using FSLM methodology. The heaviest PSC box girder weighing 975 MT and of 40-meter length will be used for the first time in the construction industry in India.
The first girder is expected to be launched by mid-October and by November this equipment will be used to launch more girders. A total of 20 such launching equipment will be required for the construction of 325 km of viaduct superstructures between Vapi and Ahmedabad in the state of Gujarat.
Union Railway Minister Ashwini Vaishnaw said, “More High Speed Rail projects are in the pipeline. The Mumbai-Ahmedabad High Speed Rail is expected to create more than 90000 jobs in this area”.
India is now coming in the select group of countries like Italy, Norway, Korea, and China which have been designing and manufacturing such equipment. SN Subrahmanyan, CEO and MD, L&T Construction said: “Both these equipment have been entirely designed and developed in-house and customised to specific requirements of the High Speed Rail project. There are several challenges to build at such speed and scale, but we are committed to take on this mammoth challenge to deliver India’s first high-speed rail project in time and to quality.”
Vaishnaw said in a bid to encourage the government’s Aatma Nirbhar Bharat Abhiyan initiative, full span launching equipment with capacity of of 1100 MT is indigenously developed by Larsen & Toubro at Kanchipuram, Chennai. This equipment will expedite construction of the Bullet Train. Union Railway Minister Ashwini Vaishnaw on Thursday virtually flagged off indigenously designed and manufactured Full Span Launching Equipment — straddle carrier and Girder transporter — for the construction of Viaduct for the Mumbai-Ahmedabad High Speed Rail Corridor (MAHSRC).
A government release stated that the technology of Full Span Launching Methodology (FSLM) will expedite the process of launching girders as the precast girders of full span length will be erected as a single piece for double track viaduct. Twenty such launching equipment will be required for the construction of 325 kilometres of viaduct superstructures between Vapi and Ahmedabad in Gujarat, it said.
Addressing the gathering through video-conferencing, Vaishnaw stated that with this, India is now coming in the select group of countries such as Italy, Norway, Korea and China, which have been designing and manufacturing such equipment.
The equipment, with 1,100 metric tonne capacity, was developed by L&T at Kanchipuram, Chennai, from where it was launched for the Surat leg of the bullet train project. L&T has partnered with 55 micro and small-medium enterprises to build this equipment, Vaishnaw said.
According to the Railway Ministry, for the high speed corridor, the standard precast Pre Stressed Concrete Box Girders (range of weight from 700 to 975 metric ton) of span 30 metres, 35 metres and 45 meters will be launched by utilizing FSLM methodology. The heaviest Pre Stressed Concrete Box Girder of 40 meter length and weighing 975 MT will be utilized for the first time in India’s construction industry for Mumbai-Ahmedabad High Speed Rail, which is going to be the country’s first Bullet Train project. For the construction of viaduct 325 kilometres of viaduct super structures between the cities of Vapi and Ahmedabad in the state of Gujarat, 20 such launching equipment will be required in total. Development work has already started on 325 kilometres (in Gujarat) out of 508 kilometres corridor between the cities of Mumbai and Ahmedabad. For the MAHSR project, over 97 per cent land has been acquired by NHSRCL so far in Gujarat and Dadra & Nagar Haveli, while 30 per cent land has been acquired in the state of Maharashtra. For the development of viaduct superstructures of MAHSR, NHSRCL will adopt state-of-the-art construction methodologies such as FSLM. With the help of this technology, the method of launching girders for the project will be expedited as for double track viaduct, the precast girders of full span length will be erected as a single piece.
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