48 VDC Plante Type Battery Bank Supply, Installation, and Commissioning at Kalpakkam

This tender, issued by the Department of Atomic Energy, Directorate of Purchase and Stores (GEM/2026/B/8206261), seeks a comprehensive solution for the removal, dismantling, and replacement of an existing 48 VDC battery bank at the 603102 DPSIGCAR Central Stores Unit, Kalpakkam. The scope of work encompasses the complete dismantling of the current MS EXIDE make 48 VDC battery bank, comprising 23 units of 2V 645AH YHP-13 Plante type lead-acid battery cells. This includes the careful shifting of PVC carboys containing drained old electrolyte from the battery room to the FBTR DM plant for neutralization and safe disposal. Crucially, the tender requires the supply of a new 48 VDC battery bank consisting of 23 cells of 2V 645AH C10 rated Plante Lead Acid batteries housed in SAN polymer containers. The purchase is explicitly through a buyback agreement for the existing system. Further, the scope includes the supply of electrolyte, specifically 26.4 liters of sulfuric acid per cell for the 645AH 48V DC battery bank, as well as spare 2V 645AH dry cells and spare electrolyte for these spare cells. The tender also mandates the supply and replacement of suitable plywood base plates for the new battery bank. The entire project culminates in the complete erection, installation, commissioning, testing, and final handover of the new battery banks to FBTR. The bid is open for submission from 28-10-2026 11:52 AM to 19-11-2026 2:00 PM.