tender for maintenance and repair work including supply of materials for smooth and safe operation of 33/11 kv vcbs installed at 33/11 kv power substations under electricity distribution circle, deoria- 1 survey of substations 2 checking of incomming & outgoing vcb 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 particulars 19 loading, unloading and carriage of following materials from store centre, deoria to je dump store and je dump store to work site:- 20 cam shaft assembly 21 charging motor rectifier 22 charging spring 23 hrc fuse 3.15 amp 24 indicators 25 flexible connections 26 charging gear big with bearing 27 charging gear small with bearing 28 insulated housing assembly for vi 29 tulip contact 30 upper terminal assembly 31 lower terminal assembly 32 rack in gear 33 tripping coil 24v 34 tripping plate 35 rack out gear 36 copper wire 1.5 mm 37 crank assembly 38 drive shaft 39 charging handle 40 i/o spout set busbar side 41 i/o spout set ct side 42 closing assembly 43 closing coil (24 v dc) 44 tnc switch 45 pla relay 46 terminals 47 limit switches 48 hrc fuse 2a, 6a 49 charging motor 50 vacuum interrupter of different make 51 support insulator 52 copper strip busbar (3 phase for 1 meter) 53 auxiliary switch 54 mcb 32amp, 3p 55 space heter 56 thermostate 57 ampere meter 58 volt meter please enable macros to view boq information