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Larsen & Toubro Advance BIM for Rail on the Second Phase of India’s Western Dedicated Freight Corridor

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13 Feb 2020

The second phase of India’s Western Dedicated Freight Corridor is under construction to meet the growing demand for freight services in the states of Haryana, Rajasthan, and Uttar Pradesh. The project will reduce the unit cost of transportation and quadruple the current average freight speed from 20 kilometers an hour, introducing time tabled freight services and tripling container capacity from 5,000 to 15,000 tons.

Larsen & Toubro Advance BIM for Rail on the Second Phase of India’s Western Dedicated Freight Corridor

Larsen & Toubro Limited (L&T) is constructing Package CTP-14, a 128-kilometer corridor between Rewari to Dadri passing through the regions of Rewari-Alwar-Mewat-Gurgaon-Palwal-Faridabad-GB Nagar. Since the adoption of BIM methodologies in rail in India is still in its infancy, and in light of significant increases in government expenditure in infrastructure, L&T realized its success on the project could be a game changer. Using a multidiscipline portfolio of Bentley applications, L&T was able to conceptualize, design, and construct the project in a timely manner, leveraging BIM methodologies to share information across the different disciplines involved in the design, delivery, and maintenance of physical assets along the railway.

In its work, L&T faced many environmental and technical challenges, including difficult and inaccessible terrain, ground stability concerns in areas of deep cut and high embankments, and optimizing horizontal and vertical alignments to reduce earthworks. In a critical section laying within a sensitive ecological zone of the Aravalli Hills in the northern part of India, the route crosses terrain requiring a vertical alignment with a maximum cut depth of 25 to 30 meters, plus a viaduct and tunnel. L&T explored two route options using OpenRail ConceptStation and leveraged reality modeling with ContextCapture using drone surveys to gain a comprehensive appreciation of the surrounding terrain and infrastructure and to visualize the potential challenges it could encounter during construction.

As detail design progressed, the dynamic interface of OpenRail Designer allowed team members to compare different scenarios to help simplify logistics, reduce cost, and create a safe environment for site personnel during construction. While asset tagging in OpenBuildings Designer afforded the team a smooth and consistent interface between design and site operations, LumenRT ensured the integration of lifelike animations. These animations helped personnel with non-engineering backgrounds to understand the scope of works and how the project might impact them. At all times and throughout the different stages of the project, Bentley applications helped L&T to reduce costs and optimize its resources – machinery, materials, and manpower – as well as provide a better understanding to stakeholders and achieve greater client satisfaction.

“Bentley software helped L&T achieve its vision of digitalization and implementation of BIM to enable designers, planners, and implementers to use a single repository for the free flow of accurate information and a collaborative way of working through the process of designing, delivering, and maintaining physical assets,” said Nikhil Jose, assistant engineering manager-civil with L&T.

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