Cement Corporation Of India Limited Tender

Overhauling/repairing of 11/0.433KV, 2MVA Distribution Transformer at sub-station.

Charges for dismantling of 2MVA Transformer, washing of coils Radiator washing, supply, fitting and fixing of complete new Gasket set with 10-15mm crock sheet of 2MVA 11/.433 KV distribution transformer including Top cover, HV bushing, Radiator fins, conservator tank, buchloz relay assly. etc. 2MVA transformer heating (meggar value IR increasing). 2MVA transformer coil washing, pressing etc. After fixing of gaskets and oil seals, the transformer is to be filled with Filtered Transformer Oil to the required level.(Oil supplied by CCI).If any insulation required the same to be provided . Conservator Tank welding etc to be done accordingly. Supply and complete replacement of all oil seals, silica gel breather with fresh silica gel, cover bolts, plug, caps, screw, washer, valve insulation materials, minor repairing of transformer for leakages arresting, Lt side bushing connecter to be provided by same material and broken LT insulator bellow top cover to be changed. Also, any damaged or broken insulator to be replaced by new one for both LT & HT side. Drainage oil valve to be replaced if necessary by new one. Other reqd. parts and gaskets of IS standard

Filtration of transformer oil (Supply of Transformer oil in CCI scope). Oil BDV to be 60kV or more at 2.5mm gap. Test certificate to be provided.