Mechanical Engineer – MEP – Substation & HVDC

Mechanical Engineer – MEP – Substation & HVDC Full-time State/Province: Gujarāt Business Group: DCS Legal Entity: AECOM India Private Limited Business Line: Energy Work Location Model: On-Site Operating Group: International Primary Location: IN - Ahmedabad Metro - 3rd Floor, Ka Company Description At AECOM, we’re delivering a better world. We believe infrastructure creates opportunity for everyone. Whether it’s improving your commute, keeping the lights on, providing access to clean water or transforming skylines, our work helps people and communities thrive. Our clients trust us to bring together the best people, ideas, technical expertise and digital solutions to our work in transportation, buildings, water, the environment and new energy. We’re one global team – 47,000 strong – driven by a common purpose to deliver a better world.

Job Purpose Monitor and coordinate the design, installation, testing, commissioning and handover of mechanical, electrical and plumbing interface systems, with primary responsibility for HVAC, ventilation, equipment cooling, fire-protection, plumbing, water-supply, drainage and associated mechanical auxiliary systems for substations and HVDC terminal stations.

Review MEP design criteria, design basis reports, calculations, layouts, specifications, equipment data sheets and vendor documents. Review HVAC heat-load calculations, equipment sizing, system zoning, redundancy and system configuration. Review cooling and ventilation requirements for converter halls, valve halls, GIS halls, control rooms, relay rooms, battery rooms, cable basements, equipment rooms and auxiliary buildings. Review chilled-water, direct-expansion, ventilation, exhaust, pressurization, precision-cooling and smoke-extraction systems. Review mechanical cooling systems associated with converter valves, transformers, power-electronic equipment and other HVDC equipment. Verify the reliability, redundancy, maintainability and standby philosophy for critical HVAC and equipment-cooling systems. Review pumps, chillers, cooling towers, heat exchangers, air-handling units, fan-coil units, ventilation fans, piping, ducting, insulation, valves, dampers and associated controls. Review fire-protection philosophy and mechanical fire-fighting systems, including fire-water storage, fire pumps, hydrants, monitors, sprinklers, water-mist, foam or deluge systems, as applicable. Verify fire-pump sizing, hydraulic calculations, fire-water network routing, equipment-room protection and statutory fire-safety requirements. Review plumbing systems, potable-water supply, domestic-water storage, sanitary fixtures, soil and waste systems and sewage-disposal arrangements. Review stormwater drainage, roof drainage, floor drains, trench drainage, oil-water separation and water-disposal systems. Review sewage-treatment, water-treatment or packaged utility systems where included in the project scope. Monitor installation of mechanical equipment, piping, ducting, supports, insulation, vibration isolators, dampers, valves and accessories. Verify compliance of installed systems with approved drawings, specifications, method statements, inspection and test plans and manufacturer recommendations. Coordinate MEP interfaces with civil, architectural, structural, electrical, control, protection, fire-alarm, BMS, SCADA and equipment packages. Verify equipment access, maintenance clearances, lifting provisions, drainage arrangements and safe operating access. Review builders’ work requirements, equipment foundations, embedded items, sleeves, openings, trenches and service penetrations. Verify fire stopping and sealing of MEP penetrations through fire-rated walls, floors and compartments. Review piping pressure-test procedures, flushing, cleaning, disinfection, water-treatment and system-preservation requirements. Witness hydrostatic testing, leakage testing, duct-leakage testing, flushing, balancing and functional