bids are invited for operation and maintenance power house / power plant - 782817 - o/h of ecp and rtcc panels , o/h and preventive maintenance of uat panel 13a&13b , o/h of gt cooling control cabinet and marshalling box: , o/h of oltc control cabinets and marshalling box of uat: , o/h & preventive maintenance of pt cubicle jb 1 no. gen. phase & neutral side jb-2 no. ct jb of uat-2 no. inter winding ct jb-1 no. , o/h and preventive maintenance of stator water & seal oil system panel (1 job each) , cleaning & painting work , overhauling of excitation system of 200mw unit as per scope of work. , dummy load test of generator excitation system. , dismantling, overhauling and commissioning of 15.75kv/575v, 2500 kva excitation transformer. , sealing packing and welding in grp panel to avoid dust/moister ingress , replacement of rubber expansion bellows of uat 13a&13b , electrical wiring of excitation room unit-13 , sealing packing and welding in excitation room unit-13 to avoid dust/moister ingress. , removal and remounting of new duct ct in place of old ct in uat duct.