NIT No. 03 (24-25) Item No. 02

Dismantling of transformer, removing all the base frame nut//bolt and disconnecting HT cable connection as well as outgoing connection. Dismantling the complete transformer. Removing the top cover, oil tank, silica jel breather and fins etc. lifting the core and coils from the transformer tank.

Rewinding of 11 KV HT winding limbs, removing the burnt winding. Providing the new TPC copper strips and making the new HT coils as per original. Fixing the coil in transformer core with proper HT insulation. Making the connection and brazing the same with silver mixed copper rod and insulation with HT insulation.

Re-insulation of 3.3 KV winding limbs, Annealing and cleaning the copper strips. Re-insulation of copper strips with craft paper tape and making the coils as per original shape. Fixing the coils in transformer corewith proper insulation. Making the connection and brazing the same with silver mixed copper rod and insulation with krapt insulation.

Fixing the core and coil in the transformer tank with safe and sound condition. Replacement of top cover gasket and insulator gasket oil seal for stopping the leakage. Replacement of silica jel.

P/Fixing of winding protection pad.

Filling of T/oil to up to top us level as required to make power.

Dehydration of transformer oil.

Assembling the complete transformer.

Lifting and lowering the transformer from the DJB site.

M.B. Enterprises (BID ID -1552995)