Tenders for Gem Bids For Operation And Maintenance Of Substation - Rewinding Overhauling & Servicing Of 3 Phase 440 Volt 0.5 Hp Capacity Cooling Fans Of Power Transformers. The Work Includes Dismantling Of Cooling Fans From The Transformers Its Carriage To Repair Workshop .. Operation And Maintenance Of Substation - Overhauling Operation And Maintenance Of Substation - Attending Defect Of Fan Automated Running By Identifying Defective Parts Wiring Replacement Of Defective Parts Cleaning & Tightening Of Wiring Etc. Spare Parts To Be Provided By Department