L&T-Sargent & Lundy Uses MicroStation for 3D Design of Supercritical Power Plant in India
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L&T-Sargent & Lundy Uses MicroStation for 3D Design of Supercritical Power Plant in India - 1

Case Study Project Summary Organization: L&T-Sargent & Lundy Limited Solution: Power Generation Location: Nagpur, Maharashtra, India Project Objective: • Deliver detailed engineering design for the boiler, turbine and generator (BTG) island configuration within 24 months • Optimize the plant’s use of space within the constraints of an irregularly shaped site • Meet environmental and corporate social responsibility requirements for a high-efficiency, low-emissions supercritical power plant Products used: MicroStation Bentley Navigator STAAD.Pro Structural Modeler L&T-Sargent & Lundy Uses MicroStation for 3D Design of Supercritical Power Plant in India Bentley Software Optimizes Design Cycle Reducing Engineering Time by 10% for Faster Project Completion Overcame Site Constraints and Environmental Requirements In support of sustainable economic growth and the associated spike in power demand, India is phasing out old, inefficient power stations in favor of more advanced, environmentally friendly plants. The US $1.5 billion supercritical thermal power plant under construction in Nagpur, Maharashtra, will replace existing facilities with a high-efficiency, low-emission 3x660 megawatt (MW) coal-fired plant. Working extensively on a 3D platform built on Bentley products, L&T-Sargent & Lundy Limited (L&T-S&L) overcame the challenge of site constraints and meeting environment requirements while delivering an error-free design on budget and within the twenty-month project time frame for bulk engineering. Fast Facts • The 3x660 MW plant is twice the size of any plant previously designed by L&T-S&L • L&T-S&L implemented PLADES (Plant Design Software), a custom system developed by S&L and built on the Bentley platform ROI • The customized 3D environment helped reduce plant space by nearly 10 percent • Faster design cycles and approval processes reduced engineering time by approximately 10 percent • The bulk of the engineering was completed within 20 months – four months less than projected Primary Goal was Space Optimization The 660 MW units called for over-sized facilities to be squeezed into an area constrained by the existing plant and adjacent agricultural land. In India, land is a scarce commodity, and converting agricultural land to non-agricultural use was not an option. As a result, the primary goal was to optimize the use of space by creating a compact plant layout within the irregularly shaped site. The design was further complicated by strict environmental standards and corporate social responsibility requirements. Objectives included minimizing the plant’s water consumption, solid waste generation, air pollutant emissions, and carbon footprint. • The project called for collaboration among six disciplines as well as coordination with vendors, OEMs, the client, and the owner’s engineer • MicroStation VBA was used to develop organization- and projectspecific tools The expansion project in Nagpur is the first supercritical facility for Maharashtra State Power Generation Co. Ltd. (MAHAGENCO). The net capacity addition is 1,560 MW, replacing the existing 4x105 MW de-rated units. MAHAGENCO awarded the contract for the main plant to L&T, which subcontracted L&T-S&L to complete engineering services for the boiler, turbine, generator (BTG) island, along with related auxiliaries and the extended balance of plant (BOP) configuration. Architectural view of the service building generated using Bentley software. L&T-S&L was established in 1995 and is now a premier engineering and consultancy firm in the power sector, born out of the shared vision of two renowned organizations – Larsen & Toubro Limited (L&T), India’s largest engineering and construction company, and Sargent & Lundy LLC – USA (S&L), a global consulting firm in the power industry since 1891. Besides having considerable expertise in gas and subcritical coal power projects, L&T-S&L is pioneering engineering for supercritical coal-based projects and forms the engineering base for L&T’s thrust into turnkey supercritical technology. “Using MicroStation for 3D modeling enabled our client to clearly see how we could reduce plant layout by 10 percent while ensuring proper access for operations and maintenance, as well as ease of constructability. Visualization also allowed for faster client approvals, helping reduce the engineering cycle time.” — Jignesh Chokshi, deputy general manager-civil, structural, and architectural L&T-Sargent & Lundy Limited

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L&T-Sargent & Lundy Uses MicroStation for 3D Design of Supercritical Power Plant in India - 2

MicroStation Platform Supports Customized 3D Design Environment for Supercritical Power Plant their client. “At first our client was hesitant about some aspects of the optimized design. But after we showed them 3D renderings from MicroStation of the plant design, they were very happy and approvals went much faster,” said Chokshi. Integrated Model Helped Eliminate Errors With all disciplines working on a single platform, engineering information and deliverables were accurate and complete. Having access to the latest plant design data also facilitated materials management. Current, consistent...

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L&T-Sargent & Lundy Uses MicroStation for 3D Design of Supercritical Power Plant in India - 3

“We used a coordinated and controlled 3D environment based on Bentley products for plant model integration. This intelligent plant system provided better interface management and smarter graphics to enable effective communication through virtual visualization.” –Jignesh Chokshi, deputy general manager-civil, structural, and architectural L&T-Sargent & Lundy Limited Find out about Bentley at: www.bentley.com Contact Bentley 1-800-BENTLEY (1-800-236-8539) Outside the US +1 610-458-5000 Global Office Listings www.bentley.com/contact 3D Deliverables Added Value for Owner Information developed...

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