tender for total lump sum price for annual maintenance contract of battery charger of servilink engineers pvt.ltd. make installed at gt#4, ongc uran plant, inclusive of gst as applicable to complete the job. , per day service charges for first year , per day service charges for second year , per day service charges for third year , extra day service charges for first year , extra day service charges for second year , extra day service charges for third year , emergency service charges for first year , emergency service charges for second year , emergency service charges for third year , spares price list , 3ph. scr controller ckt. (full wave full control) , hv pf/psr ckt with control transformer , auto change over ckt. , charger fail detection ckt. , earth leakage detection ckt. , load dc u/v o/v float fail detection ckt. , 3ph. ac i/p fuse fail detection ckt. , 3ph. semiconductor fuse fail detection ckt. , dc o/p fuse fail detection ckt. , capacitor fuse fail detection ckt. , pf/psr annunciator ckt. , bleeder resistance cut off detection ckt. , buzzer ckt. , battery trickle current measuring ckt. / limiter board , battery fuse fail detection ckt. , battery on load detection ckt. (amp) , battery fully charge/discharge detection ckt. (voltage) , hrc type fuse link , open type fuse link , tia type fuse link , hrc type fuse link , hrc type fuse link , open type fuse link , scr module , sp ac mcb , blocking diode