Power Supply Enhancement at Gautam Buddha International Airport(GBIA)

Delivered a robust power supply upgrade at Gautam Buddha International Airport, including a 400 kVA transformer, an 11 kV line extension, and advanced switchgear to support safe and reliable operations.

ClientCivil Aviation Authority of Nepal (CAAN), GBIACAO
LocationGautam Buddha International Airport
CompletedApr 2023
Duration1 Years

Project Overview


Project Name: Power Supply Improvement Work at GBIACAO, including 400 kVA, 11 kV line extension, Arrangement of switchover, and Other Miscellaneous Works for CFR Station
Project Ref.: SF-79-2668
Mahavir Shree International successfully executed a comprehensive power supply enhancement at Gautam Buddha International Airport Civil Aviation Office (GBIACAO). This project encompassed the installation of a 400 kVA transformer, an 11 kV line extension, switchgear arrangements, and critical electrical works to ensure a reliable, safe, and efficient power distribution network across airport facilities.

Key Deliverables:

✓ Power Supply Extension: 32A supply extended to the new VOR station, complete with TP MCCB, energy meter, and accessories.

✓ Manual Changeover Switch: Installation of a 100A on-load switch ensuring seamless transition between mains and generator supply.

✓ High-Quality Cabling: Supply and installation of 4-core, 16 sq. mm. armored copper cables for robust LV power distribution.

✓ Distribution Boards: 3-phase power boards with MCBs tailored for airport operations.

✓ Earthing Systems: Complete earthing with copper-bonded rods, continuity conductors, and earth-enhancing compounds for safety and compliance.

✓ Metering & Monitoring: TOD meters and metering units installed for accurate energy measurement.

✓ Structural Support: 11-meter concrete and steel poles for secure power line extension.

✓ High-Voltage Accessories: 11 kV lightning arrestors, drop-out fuse sets, disc and pin insulators, and associated fittings.

✓ System Integration: Full hardware and electrical integration for seamless operation.

✓ Warranty & Support: Two-year warranty on all materials with assured availability of spare parts for at least 10 years.

Project Impact:
The enhanced power infrastructure ensures an uninterrupted electricity supply to critical airport facilities, strengthening operational efficiency and safety. By integrating international standards and robust equipment, the project supports GBIACAO’s long-term reliability and resilience.

Conclusion:
The successful completion of the power supply improvement at Gautam Buddha International Airport strengthened the airport’s electrical infrastructure, ensuring reliable power distribution, enhanced operational efficiency, and long-term system resilience. With the installation of a 400 kVA transformer, an 11 kV line extension, and advanced switchgear, the project provides a safe and future-ready power network to support seamless airport operations.




Project Highlights

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