supply , installation and commissioning of battery charger and battery bank with 3 years camc as per tender specification at digboi refinery , list of item ( s ) / work ( s ) as per tender documents , dual float cum boost battery charger , 110v dc , 200a suitable for charging 85 kpm 690p ni-cd battery bank , dual float cum boost battery charger , 125v dc , 60a suitable for charging 98 kpm 300p ni-cd battery bank , dual float cum boost battery charger , 110v dc , 211a suitable for charging 85 kpm 740p ni-cd battery bank , kpm 690p nicd battery bank having 85 cells complete with all accessories , kpm 740p nicd battery bank having 85 cells complete with all accessories , supervision of erection & commissioning of item 1 , supervision of erection & commissioning of item 2 , supervision of erection & commissioning of item 3 , supervision of erection & commissioning of item 4 , supervision of erection & commissioning of item 5 , camc for 1st yr for item 1 , camc for 2nd yr for item 1 , camc for 3rd yr for item 1 , camc for 1st yr for item 2 , camc for 2nd yr for item 2 , camc for 3rd yr for item 2 , camc for 1st yr for item 3 , camc for 2nd yr for item 3 , camc for 3rd yr for item 3 , buy back the old battery bank as per tender specification