OEM Preventive Maintenance for Siemens PLC/HMI Systems at ONGC Sivasgar Units

Work Description - Hiring Of Services Of Oem For Prive Health Check-up Of Siemens Make Plc And Hmi System&#x0d Of Wss Units Sivasgar Assam Asset

This tender, ID 2026_ONGC_284376_1, issued by the Oil and Natural Gas Corporation Limited (ONGC), seeks the hiring of Original Equipment Manufacturer (OEM) services for the preventive health check-up of SIEMENS make PLC and HMI systems located at the WSS Units within the Sivasgar Assam Asset. The work falls under the "Repair and Maintenance Services" product category and is classified as a single-stage tender for services. Prospective bidders are advised to note that document downloads are available from July 16, 2026, at 4:40 PM until August 20, 2026, at 3:00 PM. Bid submissions must also be completed within this timeframe, commencing on July 16, 2026, at 4:50 PM and concluding on August 20, 2026, at 3:00 PM. The bid opening is scheduled for August 21, 2026, at 3:30 PM at the Well Services, Sivasgar, Assam location. Notably, there is no tender fee or EMD required for this tender. The tender reference number is RW4NS26002, and the issuing authority is NISHANT KESHARWANI, located at ONGC, OT Complex, Well Services, Sivasagar, Assam Asset. The bid validity period is set at 60 days.