tender for work of 245 kv and 145 kv bushing replacement of 160 mva t/f-i - work of 220 kv & 132 kv bushing replacement of 160 mva tf i at 220 kv substation rc green under etd-ii, noida sl. no. item description 1 description 2 drain out of transformer oil from main tank to oil tanker upto required level by the help of centrifuging machine into empty drums (centrifuging machine with operator shall be provided by the contractor). 3 dismantling of hv/ lv side bushings & erection of new hv/lv side bushings including replacement of gasket and shifting of dismanlted bushing to store. (gasket /crane shall be arranged by the contractor). 4 centrifuging of transformer oil in main tank by ultra high vacuum oil filtration plant after connecting the centrifuging the pipe with oil drums to oil filtration plant including filling of drained oil andtaking the bdv value of oil periodically till the required value is achieved. 5 carriage of 03 nos bushings from 220 kv substation metro depot & jewar to 220 kv rc green including loading and unloading of bushings