Engineering Manager - TVS

Larsen & Toubro; Chennai; On-site; INR 800,000 - 1,200,000; Full time

Job summary

Larsen & Toubro is looking for an experienced engineer in Chennai to develop detailed designs for ECS and TVS systems for metro rail and tunnel projects. Responsibilities include performing ventilation calculations, reviewing vendor drawings, and ensuring design compliance with standards like NFPA 130 and ASHRAE. The role requires proficiency in CFD simulations and collaboration with systemwide contractors. Candidates must have a strong background in ventilation system design and knowledge of relevant engineering codes.

Qualifications

• Proven experience in designing ECS and TVS systems for metro and tunnel projects.
• Familiarity with CFD simulation tools such as IDA Tunnel, SES, and FDS.
• Knowledge of applicable standards such as NFPA 130, ASHRAE, ISHRAE, and NBC.

Responsibilities

• Develop detailed designs for ECS and TVS systems.
• Perform ventilation and smoke control calculations.
• Review vendor drawings and technical submittals.

Job description

• Develop concept, preliminary, and detailed designs for ECS and TVS systems for metro rail and tunnel projects.
• Perform ventilation and smoke control calculations, including airflow, heat loads, piston effect, and emergency operation scenarios.
• Design and size supply, exhaust, smoke extraction systems, fans, dampers, silencers, shafts, louvers, and associated ductwork.
• Carry out and review CFD simulations for normal and emergency ventilation using tools such as IDA Tunnel, SES, FDS.
• Interpret CFD results to validate system performance and support design optimization and safety compliance.
• Prepare and review system layouts, schematics, single-line diagrams, and P&IDs for ECS and TVS systems.
• Coordinate with Civil, Architectural, Electrical, Fire, ELV, BIM, and other systemwide contractors to ensure integrated designs.
• Ensure designs comply with applicable standards such as NFPA 130, ASHRAE, ISHRAE, NBC, and project specific requirements.
• Review vendor drawings, technical submittals, equipment datasheets, and CFD reports. Support design reviews, safety audits, authority submissions, and client presentations.
• Assist site teams during construction, testing, commissioning, and as-built documentation stages.
• Prepare technical specifications, B.o.Qs, and cost estimates for ECS and TVS systems.