annual maintenance contract of 132 kv s/s majra under oandm div yamuna colony , dehradun , quaterly maintenance of 33 kv feeders complete work including tightening of nut & bolts of all ct , cb , isolator clamps , jaws , plates , attending oil leakage from cts . greasing , oiling of isolators and circuit breaker mechanism , cleaning of all equipements of the feeders and helping in routine testing . , quaterly maintenance of 132 kv feeders complete work including tightening of nut & bolts of all ct , cb , isolator clamps , jaws , plates , attending oil leakage from cts . greasing , oiling of isolators and circuit breaker mechanism , cleaning of all equipements of the feeders and helping in routine testing . , complete maintenance of 33 kv main bus bar section i , ii , iii & iv by tightening of all nuts bolts of dropper and jumper and clamps etc . , complete maintenance of 132 kv main bus bar by tightening of all nuts bolts of dropper and jumper and clamps etc . , half yearly complete maintenance of 132 kv/33 kv ( 3x40mva ) transformers by tightening of all nuts bolts of dropper and jumper and clamps cleaning h . v . & l . v . bushing etc and helping in routine testing . , half yearly complete maintenance of 33kv/0 . 4 kv 630 kva station transformers and 250kva 11/0 . 4kv transformer by tightening of all nuts bolts of dropper and jumper and clamps cleaning h . v . & l . v . bushing etc . , replacement of damaged , burnt , defective defferent dropper , jumper , runner , clamps/ jaws/blades/male/female contact of isolators etc of 132 kv feeders ( material will be provided by department ) , replacement of damaged , burnt , defective defferent dropper , jumper , runner , clamps/ jaws/blades/male/female contact of isolators etc of 33 kv feeders ( material will be provided by department ) , providing of a skilled person for daily dusting/cleaning of front of control and relay panels , all cabinets ( plcc , marshalling box , rtcc etc . by suitable cleaning agents . ( excluding material ) ( monthly ) , providing of skilled person for daily cleaning & routine maintenance of battery sets and charger etc complete work including cleaning of battery terminal & refilling of distilled water and preparing of distill water etc . ( monthly )