tender for centrifuging of complete transformer oil of various 220/132 kv and 132/33 kv power transformers at 220 kv gajraula under etd-amroha. sl. no. item description 1 centrifuging of complete transformer oil in transformer by connecting centrifuging pipe, circulating the transformer oil through centrifuging machine and taking the periodically bdv and ppm value up to min. 72hrs and achieving the required value. centrifuging machine (capacity 12 kl), bdv testing machine (duly calibrated), ppm testing machine (duly calibrated), required skilled man power and t&p will be arranged by contractor. hourly bdv and ppm report duly singed by firm will be submitted by contractor to section incharge. 2 160 mva 220/132 kv transformer 1st (adityamake) at 220 kv gajraula. 3 63 mva 132/33 kv transformer 1st (imp make) at 220 kv gajraula. 4 63 mva 220/132 kv transformer 2nd (adityamake) at 220 kv gajraula.