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| 1 | Operation , Monitoring & recording electrical dataof 11KV VCB panels- 14Nos , 250KVA oil Type Distribution Transformers – 05Nos , 500KVA Dry Type Transformer -02Nos ,500KVA Oil Type Transformer -01No and 11KV AB switches at PS1 &Type-III S/S and LT panels switch gears at MRS , SS-1, SS-II on hourly basis i.e on round the clockfor one year Note: 11KV MRS should be manned on 24x7 for period of one year (Electrician -Sk) |
| 2 | Supply & providing of Cable jointing kit for 11 KV (Earthed) grade cable for indoor end termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of 120 to 185Sqmm |
| 3 | Supply & providing of Cable jointing kit for 11 KV (Earthed) grade cable for outdoor end termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of 120- 185Sq.mm |
| 4 | Supply & providing of Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material andaccessories suitable for 3 core XLPE armoured aluminium conductor cable of 120 – 185Sqmm |
| 5 | Excavation in trenches not exceeding 1M deep in hard dense soil and getting out for laying under ground electric LT Cable |
| 6 | Returning and filling in including spreading ,levelling watering and well ramming in layers not exceeding 25CM thick |
| 7 | Supply and filling of sand in cable trenchesand levelling |
| 8 | Supply and paving of bricks sub clause\"B\" laid flat dry in cable trenches. |
| 9 | Supply and laying of XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy-duty) with aluminium conductor, 11000 volts Earthed, grade cross sectional area 240sq. MM3 coreMake: universal, Finolex and Havells, Fort gloster, polycab |
| 10 | Identification & pin pointing of 11KV HT UG XLPE cable fault through cable fault locator instrument |
| 11 | Purification ofTransformer oil upto attaining of dilelectric strength range of 25-40KV(BV) in 06 Transformers through OFF mode including providing of test certificate report for all individual transformers from the authorised lab Note: transformer oil if required for topping for transformers will be provided by the factory |
| 12 | Supply & providing of Silicagel in Distribution oil Transformers 11/0.44KV |
| 13 | Testing & caliberation of measuring instruments in HT VCB panels in MRS,SS-1,SS-2 ,Type - III SS, & Type-II SS and Test /caliberation report should be submitted from govt. Authorised firm |
| 14 | Testing & caliberation of tripping & earth fault relays in HT VCB panels in MRS,SS-1,SS-2 ,Type - III SS, & Type-II SS and Test /caliberation report should be submitted from govt. Authorised firm |
| 15 | Maintaining, checking & Testing of Earth pits in MRS Sub stations ,SS-1,SS-II.Earth resistance (ER) value to be maintained below 0.8Ω ,if required , proper reconditioning shall be done to attain the desired earthing reistance of 0.8Ω. |
| 16 | Repair/ Servicing of 11KV VCB breaker i.e 1) General Servicing (Greasing) of mechanical moving parts. 2) Checking of manual / motorized spring charging. 3) Tripping / closing lever alignment checking. 4)Checking the condition of all components in breaker. 5) Drive rod mechanism and breaker mechanism interconnection checking. 5) Checking of circlips, lock pin and other locking components are in correct positions. 6) Checking of mechanical ON/OFF operation of breaker after servicing of breaker. 7) Measuring of IR value. 8) Using 5KV megger for testing of IR value of (T-B, T-E, B-E, P-P in open/close condition). 09)Verifying the Resistance of Trip coil, Close coil & Motor winding. 10) Verification of electrical functional checking of VCB. including replacing of power pack, Trip close /release switch, indicator lamps under repair |
| 17 | Supply & fixing of 11KV current transformer of ratio 30:01 ofresin castCTR:30/1-1A, STR:26.3KA/3Sec, Insulation Class:B ,5VA burden in both cores Make :ECS suitable for L&T VCB |
