tender for annual maintenance work of 33/11 kv vcb/control panel installed at 33/11 substations under electricity distribution circle-i prayagraj- 1 survey of substations 2 checking of 33 kv & 11 kv vcb and panel working and parts on quarterly basis( once in a three (03) month) 3 complete overhauling of panel, insulation of bus bar with ht tape, empire tape and cleaning of spouts 4 complete overhauling of trolley and manual and motorised charging mechanism. 5 repairing and adjusting of tripping assembly and circuit. 6 repairing and adjusting of closing assembly and circuit. 7 adjusting of tripping and closing timing of breaker by checking contact resistance of vacuum interrupter of vcb. 8 replacement and adjustment of vacuum interrupter 9 repairing and adjusting of shutter assembly 10 repairing and adjusting of interlocks 11 servicing and adjusting of spring charging motor 12 repairing of spouts with complete cleaning and adjusting 13 complete cleaning of trench, tightening of cable boxes with rerouting of cable 14 complete wiring of pannels with checking of fuse and indicators 15 complete testing of tripping system of breaker for successful tripping 16 replacement of damage ct/pt including wiring 17 spare+sundry cost (provided by contractor) 18 cam shaft assembly 19 charging motor rectifier 20 charging spring 21 hrc fuse 3.15 amp/11kv pt fuse 22 indicators 23 flexible connections 24 charging gear big with bearing 25 charging gear small with bearing 26 insulated housing assembly for vi 27 tulip contact 28 upper terminal assembly 29 lower terminal assembly 30 rack in gear 31 tripping coil 24v 32 tripping plate 33 rack out gear 34 copper wire 1.5 mm 35 crank assembly 36 drive shaft 37 charging handle 38 i/o spout set busbar side 39 i/o spout set ct side 40 closing assembly 41 closing coil (24 v dc) 42 tnc switch 43 pla relay 44 terminals 45 limit switches 46 hrc fuse 2a, 6a 47 charging motor 48 vacuum interrupter of different make 49 support insulator 50 copper strip busbar (3 phase for 1 meter) 51 auxiliary switch 52 mcb 32amp, 3p 53 space heter 54 thermostate 55 ampere meter 56 volt meter gst extra as legally applicable please enable macros to view boq information