Indian Oil Corporation Limited-IOCL has published Tender For Various Electrical Testing And Maintenance Work For 2 Years At Lpg Bottling Plant Rangpo. Submission Date for this Tender is 18-08-2023. Mechanical engineering Service Tenders in rangpo Sikkim. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Polarization Index and insulation resistance testing with calibrated insulation resistance tester of all LT cables after opening the cable from both the equipment side & feeder side and submitting the report there off. The job also includes reconnecting of the cables at equipments & feeder after necessary testing. |
| 2 | Testing of thermal overload relay of all Electrical Panels And testing of Auxiliary relays of all Electrical Panels: • Earth fault • Over current • Master trip |
| 3 | Electrical Control Panel Thermography Testing of all electrical control panels |
| 4 | Calibration of Ammeter and Voltmeter, job includes furnishing the reports thereof |
| 5 | On-line oil filtration of transformer Vacuum kit and break down voltage (BDV) test for 250 KVA transformer and 250KVA AVR. |
| 6 | Transformer Oil Parameter Test as per IS (fortransformer and AVR) • Di-electric Dissipation (Tan-Delta) • Moisture (Water content) • Flash Point • DGA (Dissolved Gas Analysis) • IS: 6262-1971 • IS: 13567-92 • IS: 1448(P-21)1992 • IS: 10593& • IS: 9434-1992 |
| 7 | TAN DELTA TEST OF TRANSFORMER as per OISD 137 • Power Factor Test • Dissipation Factor Test • Capacitance Value • Magnetizing current • Magnetic Balance • Insulation Resistance & Polarization Index Test |
| 8 | Servicing of LT ACBs by racking out the ACBs from the feeder cabinet, taking out the fixed and moving contact, cleaning the same, insulation resistance testing of the contacts, contact resistance testing, checking the closing & tripping operation in isolated condition, checking the closing & tripping condition in the test position, checking the operation of the Breaker from the relay master contact & servicing |
| 9 | Testing and servicing of buchholz relay of the 250 KVA transformer. |
| 10 | Insulation testing of rubber mat with High Voltage Test Kit. Job includes testing of all insulating mats kept at Fire water pump house, PMCC panel, DG room, near 250KVA transformer, near 250 KVA AVR, product pump house and anywhere as instructed by site In-charge. |
| 11 | Lighting Protection: Third harmonic current testing of lightening arrestor. |
| 12 | Vacuum Circuit Breaker (VCB) ServicingVacuum Circuit Breaker (VCB) Servicing a. Visual Inspection of Breaker b. Thorough cleaning of the Breaker c. Lubrication of all Moving Parts of Mechanism d. Oiling of closing & tripping coil e. Checking of Gear Box operation f. Checking of test/Service Aux. Switch operation g. Spring charging llimit switch operation h. Checking of front drive key operaton in test position i. Front drive key operation in service position j. Checking of vacuum interrupter k. Checking of contact arm assembly and complete cleaning of contact surface l. Reconditioning and refurbishment of interconnection joints, if required m. Checking of all cir clips & lock washers of VCB n. Checking of breaker ON/OFF operation manually & electricity. o. Checking of Closing time p. Checking of tripping time q. Checking of contact resistance r. Insulation resistance checking of VCB/VC s. Measurement of stroke length (7.5 mm to 8.5mm) t. Check nut of SHOCK absorber should not be loose and check for oil leakage u. VCB bottle healthiness check v. All other checks necessary for checking health of VCB |
| 13 | Inspection and testing of Winding Temperature Indicator (WTI), Inspection and testing of Oil Temperature Indicator (OTI) |
| 14 | Testing of load of battery bank |
| 15 | Vibration analysis on electrical equipments (motor) conditioning monitoring |
| 16 | Earth Pit Resistance Testing of IOCl Rangpo LPG BP including measurement through three point calibrated earth pit resistance tester. The job includes measuringindividual earth pit resistance measurement, grid resistance measurement and checking of continuity with the intended equipment. |
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