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| 1 | Pre overhauling,B2:B45 centrifuging activities: | Pre overhauling,B2:B45 centrifuging activities: |
| 2 | OH & Centrifuging of 250 240MVA GT or 400 220 ICT | OH & Centrifuging of 250 240MVA GT or 400 220 ICT |
| 3 | OH and centrifuging of 15MVA,UAT | OH and centrifuging of 15MVA,UAT |
| 4 | OH and internal inspection of OLTC of UAT, complete dismantling and reassembly: | OH and internal inspection of OLTC of UAT, complete dismantling and reassembly: |
| 5 | Pre centrifuging activities like shifting of C F machine, hose pipe, power supply boards, filled & empty drums: | Pre centrifuging activities like shifting of C F machine, hose pipe, power supply boards, filled & empty drums: |
| 6 | Centrifuging of 50MVAR, 400KV shunt reactor and attending oil leakage | Centrifuging of 50MVAR, 400KV shunt reactor and attending oil leakage |
| 7 | Pre centrifuging activities like shifting of C F machine, hose pipe, power supply boards, filled & empty drums: | Pre centrifuging activities like shifting of C F machine, hose pipe, power supply boards, filled & empty drums: |
| 8 | Centrifuging of 30MVA Station transformer with OLTC: | Centrifuging of 30MVA Station transformer with OLTC: |
| 9 | Disconnection & Re-connection of terminal connectors at transformer bushings | Disconnection & Re-connection of terminal connectors at transformer bushings |
| 10 | Centrifuging of transformer oil of TRANSFORMER Oil tank | Centrifuging of transformer oil of TRANSFORMER Oil tank |
| 11 | Arresting oil Leakage from radiators and associated pipe lines of the transformer | Arresting oil Leakage from radiators and associated pipe lines of the transformer |
| 12 | Checking of test plug and CT terminlas of HT Transformer ( all three phase & neutral) | Checking of test plug and CT terminlas of HT Transformer ( all three phase & neutral) |
| 13 | Arresting oil Leakage from spindle bush of tap changer of GT ICT | Arresting oil Leakage from spindle bush of tap changer of GT ICT |
| 14 | Arresting oil leakage from top bottom inspection cover of the transformer or back | Arresting oil leakage from top bottom inspection cover of the transformer or back |
| 15 | Replacement of Expansion Bellows of UAT | Replacement of Expansion Bellows of UAT |
| 16 | Cleaning of LT side links of GT as per scope of work | Cleaning of LT side links of GT as per scope of work |
| 17 | Replacement of phase side seal off bushing of IP Bus duct at GT LV side | Replacement of phase side seal off bushing of IP Bus duct at GT LV side |
| 18 | Dismantling and assembly of LV & Neutral bushing , LV turret etc. (proper replacement of gasket 'O' Ring) | Dismantling and assembly of LV & Neutral bushing , LV turret etc. (proper replacement of gasket 'O' Ring) |
| 19 | Replacement of Pressure Relief Valve of HT Transformer | Replacement of Pressure Relief Valve of HT Transformer |
| 20 | Replacment of Expansion Bellow of GT | Replacment of Expansion Bellow of GT |
| 21 | Dismantling and Reinstalation of HT Bushing (single phase ) | Dismantling and Reinstalation of HT Bushing (single phase ) |
| 22 | Preventive maintenance of GT, UATs, 15.75KV bus duct outside T.G.hall. | Preventive maintenance of GT, UATs, 15.75KV bus duct outside T.G.hall. |
| 23 | Replacement of all the 3 phases LV bushing gasket of UATs. | Replacement of all the 3 phases LV bushing gasket of UATs. |
| 24 | Replacement of HV bushing oil seals of UATs | Replacement of HV bushing oil seals of UATs |
| 25 | Cleaning of 250 240MVA, | Cleaning of 250 240MVA, |
| 26 | Cleaning of 315 240MVA, | Cleaning of 315 240MVA, |
| 27 | Cleaning of 50MVAR shunt reactor & NGR | Cleaning of 50MVAR shunt reactor & NGR |
| 28 | Cleaning of 30MVA, 220KV 6.9KV station transformer | Cleaning of 30MVA, 220KV 6.9KV station transformer |
| 29 | Cleaning of 15MVA, 15.75 6.9KV UAT | Cleaning of 15MVA, 15.75 6.9KV UAT |
| 30 | Routine maintenance of cooling fan of dry type transformers 200MW Switchyard | Routine maintenance of cooling fan of dry type transformers 200MW Switchyard |
| 31 | Breakdown maintenance of cooling fan of dry type transformer. If fan is not running, | Breakdown maintenance of cooling fan of dry type transformer. If fan is not running, |
| 32 | Replacement of OTI, WTI, relay, starter, coil, etc. On transformers. | Replacement of OTI, WTI, relay, starter, coil, etc. On transformers. |
| 33 | Replacement of rubber pads and unbalanced fan blades in case of vibration as per requirement | Replacement of rubber pads and unbalanced fan blades in case of vibration as per requirement |
| 34 | Greasing , oiling of bearing of fan | Greasing , oiling of bearing of fan |
| 35 | Overhauling of fan motor. Which may include dismantling, cleaning, Replacement of bearing, | Overhauling of fan motor. Which may include dismantling, cleaning, Replacement of bearing, |
| 36 | cooling fans, Dismantling of cooling fan from place of mounting on transformer, | cooling fans, Dismantling of cooling fan from place of mounting on transformer, |
| 37 | cooling fans, Dismantling of cooling fan from place of mounting on transformer, | cooling fans, Dismantling of cooling fan from place of mounting on transformer, |
| 38 | Repair of damage slot portion of fan motors by staggering the core. 750 Watt motor. | Repair of damage slot portion of fan motors by staggering the core. 750 Watt motor. |
| 39 | Repair of damage slot portion of fan motors by staggering the core. 1200 Watt motor. | Repair of damage slot portion of fan motors by staggering the core. 1200 Watt motor. |
| 40 | Repair of bearing housing of fan motor 750 Watt | Repair of bearing housing of fan motor 750 Watt |
| 41 | Repair of bearing housing of fan motor 1200 Watt. | Repair of bearing housing of fan motor 1200 Watt. |
| 42 | Dismantling of cooling fans from place of mounting ,removing fan blades, | Dismantling of cooling fans from place of mounting ,removing fan blades, |
| 43 | Dismantling of cooling fans from place of mounting ,removing fan blades, | Dismantling of cooling fans from place of mounting ,removing fan blades, |
| 44 | Dismantling of cooling fans from place of mounting ,removing fan blades, fan guard, shifting the | Dismantling of cooling fans from place of mounting ,removing fan blades, fan guard, shifting the |
| 45 | Cutting of grasses, plant, small tree, and other wild vegetation, collecting the above waste at one place in each bay | Cutting of grasses, plant, small tree, and other wild vegetation, collecting the above waste at one place in each bay |
| 46 | Cutting of grass plant, small tree, and other wild vegetation, collecting the same waste at one place in each yard fordisposal. | Cutting of grass plant, small tree, and other wild vegetation, collecting the same waste at one place in each yard fordisposal. |
| 47 | Preparation spray of anti-weed solution using anti weed chemical | Preparation spray of anti-weed solution using anti weed chemical |
| 48 | Excavation of aggregate mixed with ash, separating filtering aggregate | Excavation of aggregate mixed with ash, separating filtering aggregate |
| 49 | Excavation of ash from the yard and lumping at one place. | Excavation of ash from the yard and lumping at one place. |
| 50 | Disposal of complete ash collected during excavation as per instruction of AE JE | Disposal of complete ash collected during excavation as per instruction of AE JE |
| 51 | Testing of transformer oil in any Government PSU NABL approved lab | Testing of transformer oil in any Government PSU NABL approved lab |
| 52 | Furan analysis of transformer oil | Furan analysis of transformer oil |
