biennial maintenance contract under the scope of emoph dept. of sgtpp (2x300 mw and 2x500 mw) including township electrical maintenance work.- 1 amc under emoph dept. of sgtpp. 2 changing of ht motor bearing 3 high altitude tightness checking, 4 laying of ht overhead and underground 5 excavation and restoration of existing 6 lt cable laying through underground / 7 road boring for cable laying job. 8 line stringing & replacement 9 alignment / tightening / replacement of 10 fixing / replacement of pcc pole. 11 fixing / replacement of steel pole. 12 cost of safety equipment (incl. ppe) 13 cost of safety equipment (incl. ppe) for 1st year 14 cost of safety equipment (incl. ppe)for 2ndyear