India News | Precast Construction Technique Being Employed for RRTS Corridor to Minimise Inconvenience: NCRTC

New Delhi, Feb 9 (PTI) Precast construction technique is being employed on a massive scale in the construction of India's first Regional Rapid Transit System corridor, in a bid to minimise public inconvenience and for timely completion of the Delhi-Ghaziabad-Meerut passageway, said National Capital Region Transport Corporation on Wednesday.

In precast concrete construction, the majority of structural members are manufactured away from the construction site after which they are brought to the project site.

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In a statement, NCRTC informed that all elevated RRTS Stations of Sarai Kale Khan, New Ashok Nagar, Sahibabad, Ghaziabad, Guldhar, Duhai, Muradnagar, Modinagar North, Modinagar south and all elevated stations of Meerut, including concourse and platform level are constructed with the help of Pre-cast primary and secondary beams, Pier arms etc.

More than 70 to 80 per cent of the structural elements are being pre-casted and erected on with Auto Launching Gantries and advanced high-capacity cranes for viaduct and stations. This whole process runs parallel to on-site construction which reduces overall project duration significantly, it further stated.

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The NCRTC added that these beams and arms casted at the casting yards and joined together at stations and viaducts using high-capacity rigs and cranes.

The NCRTC, a joint venture company of the Government of India and the states of Haryana, Rajasthan, Uttar Pradesh, and Delhi, is mandated with implementing the Regional Rapid Transit System (RRTS) project across the National Capital Region (NCR).

Even ancillary works like RCC drain, Water harvesting pits etc., have also been designed as pre-cast to ensure quality and saving time during construction, it said.

"Elevated RRTS Viaduct is already being constructed using launching gantries which lifts and joins segments of the girder to construct a viaduct. Pre-casting is being used innovatively for this project with some of the structures being pre-casted first time in the country for such large-scale complex project," the statement read.

Pre-cast Box girder segments, OHE parapets, I-Girders, portal U-shells, track slabs, station structures etc., are enabling fast construction of viaduct. Intensive quality checks being ensured before using the precast structures, it said.

RRTS is a mega infrastructure project to provide seamless connectivity across the key-urban nodes of NCR via a high-speed regional rail network.

Delhi-Ghaziabad-Meerut RRTS corridor, which is the first among eight corridors envisaged in NCR, passes through thickly populated areas of Ghaziabad, Muradnagar and Modinagar where the major portion of the alignment is along the median of Delhi-Meerut Road (erstwhile NH-58).

The alignment also passes through the densely populated and congested areas of areas of Delhi and Meerut.

Decongestion of the National Capital, reducing vehicular tra?c and air pollution, and balanced regional development are some of the reasons behind project implementation.

NCRTC said it is adopting cutting-age technology to ensure safe and timely completion of the works while minimizing inconvenience to the road users, local passer-by, business owners and residents along the entire stretch.

Despite three waves of COVID-19 pandemic, NCRTC said it has been able to keep the pace of construction on schedule due to large scale use of pre-cast technology. Presently the 20th Launching Gantries (Tarini) has been deployed to ensure rapid progress on the entire Delhi-Ghaziabad- Meerut corridor.

(The above story is verified and authored by Press Trust of India (PTI) staff. PTI, India’s premier news agency, employs more than 400 journalists and 500 stringers to cover almost every district and small town in India.. The views appearing in the above post do not reflect the opinions of LatestLY)