tender for testing, repairing and maintenance of substation equipment at iit patna- 1 servicing of air circuit breakers (lt) (ss#01- 29 nos ss# 02- 11 nos ss #03- 13 nos css - 04 nos total =57 nos.)-make- abb space emax e1 2 servicing of vacuum circuit breakers 11 kv grade- make- schneider pix mv 3 servicing of vacuum circuit breakers 33 kv grade- make -schneider 4 servicing and cleaning work of lt panel with capacitor bank. 5 supply of acb release (s/o, s/t, uv) model sace emax e1( coil voltage as per existing one)- make abb 6 supply of arc chute -make- abb 7 supply of mechanical key lock (lm)-make- abb 8 supply of control fuses (hrc fuse) 6 amp. 9 supply ofled panel indicator ( make l&t, abb,ae)- red 10 supply ofled panel indicator ( make l&t, abb,ae)-yellow 11 supply ofled panel indicator ( make l&t, abb,ae)- blue 12 supply of pla relay 8 pin 24-30v dc(suitable forschneider make pix mv 11kv panel )- make- schnider pix mv 11 kv 13 supply of trip coil (suitable forschneider make pix mv 11kv panel ) coil voltage -30v dc- make- schnider pix mv 11 kv 14 supply of closingcoil (suitable forschneider make pix mv 11kv panel ) coil voltage -30v dc- make- schnider pix mv 11 kv 15 supply of monoblock rectifier(suitable forschneider make pix mv 11kv panel ) ) coil voltage -30v dc- make- schnider pix mv 11 kv 16 supply of spring charging motor 230v ac/dc (suitable forschneider make pix mv11kv panel ) -make- schnider pix mv 11 kv 17 vcb panel relay testing , with33 kv& 11 kv ct(primary and secondary injection test both should be done.)(33kv panel -05 nos& 11kv panel 05 nos)- make- ht vcb schnieder pix mv