DMRC Achieves Tunnel Breakthrough on Golden Line Corridor

31 Jul 2025 CW Team

Part of the 23.6-km Golden Line, the tunnel breakthrough marks progress on one of the corridor’s 19.3 km of underground sections, which will connect 15 metro stations upon completion.

The 91-metre-long TBM completed a 792-metre tunnel stretch designed for up and down train movement. The work is being executed by civil contractor Afcons Infrastructure.

Constructed at an average depth of 18 metres, the tunnel features 559 precast concrete rings, each with an internal diameter of 5.8 metres. These segments were manufactured at a mechanised casting yard in Mundka and steam-cured for accelerated strength development.

“The tunnel was built using the proven Earth Pressure Balancing Method, with concrete rings cast and cured at a fully mechanised facility,” said Anuj Dayal, principal executive director of corporate communications at DMRC.

To ensure the safety of nearby structures, DMRC used sensitive instruments to monitor ground movement throughout construction. No structural settlement was reported, affirming the effectiveness of the monitoring system.

This development is part of the broader 40.1 km of underground metro lines currently under construction in Phase IV. Since Phase I, TBMs have played a key role in DMRC’s tunnelling operations, especially in congested urban zones. In Phase III, nearly 50 km of tunnels were built using 30 TBMs, enabling efficient underground expansion with minimal surface disruption.

News source: The Daily Jagran

Infrastructure Energy

17 Dec 2025

Vedanta Aluminium Uses 1.57 bn Units of Green Energy in FY25

Vedanta Aluminium, India’s largest aluminium producer, recently reported consumption of 1.57 billion units of renewable energy in FY25, marking a significant milestone in its 2030 decarbonisation roadmap. The company also achieved an 8.96 per cent reduction in greenhouse gas (GHG) emissions intensity compared to FY21, reinforcing its leadership in India’s low-carbon manufacturing transition. During FY25, Vedanta Aluminium expanded its renewable energy portfolio through long-term power purchase agreements, strengthening its strategy to source nearly 1,500 MW of renewable power over the lon..

Oberoi Group to Develop Luxury Resort at Makaibari Tea Estate

EIH Limited, the flagship company of The Oberoi Group, has announced the signing of a management agreement to develop an Oberoi luxury resort at the iconic Makaibari Tea Estate in Darjeeling. The project marks a key milestone in the Group’s long-term strategy of creating distinctive hospitality experiences in rare and environmentally significant locations. Established in 1859, Makaibari is one of the world’s oldest tea estates and is globally recognised for its Himalayan landscape, primary forests and exceptional biodiversity. Spread across 1,236 acres, the estate houses one of the world�..

GHV Infra Secures Rs 1.09 Bn EPC Order in Jamshedpur

GHV Infra Projects Ltd, a fast-growing EPC company in India’s infrastructure and construction sector, has recently secured a Rs 1.09 billion work order in Jamshedpur, Jharkhand. Awarded by a reputed group entity, the contract covers end-to-end civil construction, mechanical, electrical and plumbing (MEP) systems, along with high-quality finishing works for a large building development. The project will be executed over a 30-month period, with defined benchmarks for quality, safety and timely delivery. The order strengthens GHV Infra’s footprint in Jamshedpur, a key industrial hub known fo..