bids are invited for amc for oil sampling and analysis annual maintenance contract of reactors and transformers for dga analysis as per is-10593 latest in transformer oil sample over a period of two years. annual maintenance contract of reactors and transformers for checking physical and chemical properties in transformer oil as per is-1866 latest, over a period of two years. annual maintenance contract of reactors and transformers for furan content analysis in transformer oil as per iec 61198 latest, over a period of two years. annual maintenance contract of reactors and transformers for collection of transformer oil sample over a period of two years. one visit made by contractor representative ( s ) for collecting reactor / transformer oil samples for any or all of items of sr. no.-1 to 3 annual maintenance contract of reactors and transformer for execution of tan delta and capacitance test of bushings over a period of two years. one quantity of this amc corresponds to execution of tan delta and capacitance testing for one bushing of any reactor / transformer. this amc is to be carried out once in two year. annual maintenance contract of reactors and transformers for execution of tan delta and capacitance test of winding over a period of two years. one quantity of this amc corresponds to execution of tan delta and capacitance testing for winding of one transformer / reactor. this amc is to be carried out once in two year. annual maintenance contract of reactors / transformers, visit for carrying out tan delta and capacitance test over a period of two years. one visit made by testing team with testing equipment for carrying out tan delta test as mentioned in sr. nos.-5 and / or 6 corresponds to one quantity. total quantity : 300