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| 1 | SERVICING OF HT VACCUAM CIRCUIT BREAKER (Make:Schneider) |
| 2 | 1.A- Servicing & Overhauling of the existing 3 Nos. 6 KV VCB |
| 3 | a. Withdrawal of 6 KV VCB from the hausing unit |
| 4 | b. Dismantling it part by part. |
| 5 | c. Checking closing and tripping mechanism |
| 6 | d. Examine all contact |
| 7 | e. Clean down all bushing / insulator by using fine cambric cloth, removal of grease oil or carbon deposited by using Trichlorothyline. |
| 8 | f. Checking pitting of fixed and moving contacts & restored them to some extent to original character of contact faces. |
| 9 | g. Checking the pressure of contacts |
| 10 | h. Checking pressure and tightness of nuts. |
| 11 | i. Assembling it after ensuring moving and fixed contact are correctly positioned. |
| 12 | j. Ensure smoothness of operation & freedom of tripping. |
| 13 | k. Hiring of H.V kit, 5000V Megger, Earth tester for pressure test, Megger, earth resistance etc. as required as per IS code. |
| 14 | 1.B- Testing and calibration of relay |
| 15 | Incomer 1No- 1 no Relay |
| 16 | transformer feeder 2Nos- 8 nos Relay |
| 17 | 1.C- Hire Charges of Diesel Generator set with suppling of oil and operator,Cable / Wire, Light etc.for emergency power supply at the time of fault detection of cable as per direction of the EIC. |
| 18 | 1.D- Replacement of Auxiliary contactor, 4 NO (Make: schneider electric, Ref:- LA1KN40) |
| 19 | 1.E- Replacement of Auxiliary contactor, 2 NO + 2NC (Make: schneider electric, Ref:- LA1KN22) |
| 20 | 1.F -Supply, delivery fitting fixing of VGT Vaccum Interrupter (schneider make) of Vaccum Circuit Breaker as per direction of E.I.C. |
| 21 | 1.G- Supply, delivery fitting fixing of suspensor buffer rubber to protect shock absorber of HT gear as per direction of E.I.C. |
| 22 | 1.H- Supply, delivery fitting fixing of tripping coil (schneider make) of HT gear as per direction of E.I.C. |
| 23 | 1.I- Supply, delivery fitting fixing of closinging coil (schneider make) of HT gear as per direction of E.I.C. |
| 24 | 1.J- Repairing & alignment of mechanical gear arrangement in HT vaccuam circuit breaker as per direction of the EIC. |
| 25 | 1.K- Cleaning, testing and commissioning of VI housing in HT vaccuam circuit breaker as per direction of the EIC. |
| 26 | REPARING AND SERVICING OF 110 KW LT MOTOR ( Make:Marathon) |
| 27 | 2.A -Removal of the damaged 110 KW L.T motor from its original position after disconnecting the power connection from the LT MCC cum PDB feeder of theLT motor and de-coupling it from Pump without damaging the base and loading of the motor safely on thetransport vehicle in order to carry it to the workshop for perform necessary repairing / servicing work as required. |
| 28 | 2.B i. Transportation of thedamged motor by transport vehicle to and from RWPS and motor reparing workshop for necessary inspection, cheaking, finding out the faults with the help of motor maintenance expert to carry out the necessary repairing / servicing work as required.ii. Repairing and servicing of the 110 KW LT motor by dismantling it part by part, doing necessary rectifications , replacement of spare parts such as 6 nos leads, cable lug, terminal blocks & terminal shorting link etc, re-connection & re-insulation of the stator winding, cleaning and heat varnishing of the stator winding etc and then re-assembly of the complete motor unit including commencement of all necessary testings of the repaired motor . |
| 29 | 2.C- After repairing, servicing of the 110 KW motor and transportation of the same from workshop to RWPS unloading it from the transport vehicle safely, re-installation of the Motor & other accesories to its original position along with newly supplied S.S fasteners etc by making proper allignmentbetween the line shaft and motor coupling after necessary adjustments within permissible limit, making re connectionof the LT cable & others thencommissioning of the motor unit completeas per direction of EIC. |
| 30 | Supplying and fixing 415V, TPN SFU open execution in existing PDB cum MCC Panel with nuts bolts etc incl. S & F 3 nos. DIN type HRC fuse as per rating: 100 A |
