Minor Overhaul and Oil Filtration Services for 1.6 MVA UST Transformers at Obra Thermal Power Plant

Work Description - NA

This tender description is issued by the **Energy Department Uttar Pradesh**, specifically by **Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited (UPRVUNL) Lucknow**, for services related to minor overhauling of **1.6 MVA UST transformers** located at **231219 Obra Thermal Power Plant**. The bid, identified by **Bid Number GEM/2026/B/7841500**, commences on **27-07-2026 at 7:14 PM** and concludes on **06-08-2026 at 8:00 PM**. This procurement, detailed under the **BOQ Title: BOQ SERVICE**, encompasses a comprehensive suite of tasks. These include the meticulous draining of oil from the main tank, disconnecting HV and LV chambers, and the dismantling of the transformer, including its core coil assembly. The process further involves hot oil flushing and final assembly, followed by a complete dry-out of the core coil assembly within a dedicated oven. A crucial aspect of the service is the filling of new transformer oil and its filtration to achieve the required breakdown voltage (BDV) and parts per million (PPM) specifications. The tender also mandates electrical testing and the connection of HV LV jumpers, alongside the painting of the transformer and the construction of a permanent oven. The **Total Quantity** for this service is **31 units**, and the tender is overseen by the **Office Name: Lucknow** within the **MinistryState Name: Uttar Pradesh**.