Round The Clock Routine Preventive Breakdown Maintenance Of Generator Seal Oil System Hydrogen Gas System Of Unit No . 8 9 Routine Breakdown Maintenance Of Ht Lt Transformers Relay Panels 04 Bays Of 220 Kv Switchyard Of Unit No . 8 9 , Dtps Round The Clock Routine Preventive Breakdown Maintenance Of Generator Seal Oil System Hydrogen Gas System Of Unit No . 8 , 9 , Routine Breakdown Maintenance Of Ht Lt Transformers , Relay Panels 04 Bays Of 220 Kv Switchyard Of Unit No . 8 , 9 , Dtps , Round The Clock Routine / Preventive Maintenance Of Generator Seal Oil System & Hydrogen Gas System Of Unit No . 8 & 9 As Per Scope Of Work 1 . 01 To 1 . 02 , Routine / Preventive Maintenance Of Ht / Lt Transformers & Relay Panels Unit No . 8 & 9 , Dtps , Htpp , Kasimpur , Aligarh As Per Scope Of Work 2 . 01 , 2 . 02 , 2 . 03 & 2 . 04 . , Breakdown Maintenance Of Generator Seal Oil System & Hydrogen Gas System Of Unit No . 8 & 9 , Dtps , Htpp , Kasimpur , ( 3 . 01 ) Servicing / Overhauling Of Vacuum Pump Of Seal Oil System As Per Scope Of Work Sl . No . 1 To 11 . , ( 3 . 02 ) Attending Oil / Water Leakage From Seal Oil Cooler As Per Scope Of Work Sl . No . 1 To 10 . , ( 3 . 03 ) Servicing Of Duplex Filter Of Seal Oil System As Per Scope Of Work Sl . No . 1 To 9 , ( 3 . 04 ) Servicing Of Co2 Vaporizer As Per Scope Of Work Sl . No . 1 To 10 , ( 3 . 05 ) Overhauling Of Bearing Vapor Exhauster Fan & Motor As Per Scope Of Work Sl . No . 1 To 10 . , ( 3 . 06 ) Servicing / Replacement Of Following Valves Of H2 Gas / Seal Oil System As Per Scope Of Work Sl . No . 1 To 6 . , 3 . 06 ( I ) Nb-08 / 15 , 3 . 06 ( Ii ) Nb-25 / 50 , 3 . 06 ( Iii ) Nb-100 , 3 . 06 ( Iv ) Three Way Valve , ( 3 . 07 ) Repairing Of Brass Nozzles Of H2 / Co2 Gas Filling Station As Per Scope Of Work Sl . No . 1 To 5 . , ( 3 . 08 ) Servicing / Replacement Of Float Valve As Per Scope Of Work Sl . No . 1 To 8 . , ( 3 . 08 ) ( I ) . Float Valve Of Seal Oil Tank . , ( 3 . 08 ) ( Ii ) . Float Valve Of Vacuum Tank . , ( 3 . 09 ) Removal Of H2 Gas From Generator As Per Scope Of Work Sl . No . 1 To 6 , ( 3 . 10 ) Filling Of H2 Gas In Generator As Per Scope Of Work Sl . No . 1 To 11 , ( 3 . 11 ) Alignment Of Seal Oil Pumps With Ac / Dc Motor As Per Standard Procedure . , ( 3 . 12 ) Servicing / Overhauling Of Ac / Dc Seal Oil Pump Per Scope Of Work Sl . No . 1 To 7 , ( 3 . 13 ) Replacement Of Ac / Dc Seal Oil Pump As Per Scope Of Work Sl No 1To 6 , ( 3 . 14 ) Replacement Of Following By Isolating & Dismantling And Assembling & Installation After Completion Of Work Per Scope Of Work Sl . No . 1 To 3 . , ( 3 . 14 ) ( I ) Bearing Of Seal Oil Pump . , ( 3 . 14 ) ( Ii ) Mechanical Seal Of Seal Oil Pump , ( 3 . 15 ) Attending Hydrogen / Water Leakage From Hydrogen Coolers As Per Scope Of Work Sl . No . 1 To 10 . , Breakdown Maintenance Of Ht / Lt Transformers , Relay Panels & 04 Bays Of 220 Kv Switchyard Of Unit No . 8 & 9 , Dtps , Htpp , Kasimpur , ( 4 . 01 ) Removal & Reconnection Of 220 Kv Top Bushing / La Connection . , ( 4 . 02 ) Proper Cleaning Of 220 Kv Bushing / La With Suitable Cleaning Agent To Restore Its Shining . As Per Scope Of Work Sl No 2 . , ( 4 . 03 ) Draining Of Transformer Oil Up To Required Level From The Main Tank Of Transformer In Available Transformer Oil Barrels / Tank Etc . , ( 4 . 04 ) Centrifuging Of Transformer Oil Using Centrifuging Machine Provided By The Department . , ( 4 . 05 ) Opening & Closing Of Inspection Cover Of Ht Transformer . , ( 4 . 06 ) Removal & Reconnection Of 220 Kv Bushing Connection With Transformer Winding Of Gt / St . , ( 4 . 07 ) Shifting Of 220 Kv Bushing From Central Store To G . T . / S . T . Transformer Yard / Shifting Of Damaged Bushing From Side To The Place To Be Intimated . , ( 4 . 08 ) Removal & Installation Of 220 Kv Bushing . As Per Scope Of Work Sl No 1 . , ( 4 . 09 ) Filling Of Transformer Oil In 220 Kv Bushing By Erecting Scaffolding & Removal After Completion Of Work . , ( 4 . 10 ) Arresting Oil Leakages From Ht / Lt Transformers By Tightening Flanges Or Applying M-Seal / Putty . , ( 4 . 11 ) Checking & Servicing Of Magnetic Oil Gauge As Per Scope Of Work Sl . No . 5 . , ( 4 . 12 ) Assistance In Servicing Of Oltc Operating System Gt / St . , ( 4 . 13 ) Delinking & Re-Linking Generator Phase Or Neutral Side 16 . 5 Kv Bushing Connection From Ip Bus Duct . , ( 4 . 14 ) Delinking & Re-Linking Generator Transformer From Ip Bus Duct . , ( 4 . 15 ) Delinking & Re-Linking Of 16 . 5 Kv Bushing Of Uat From Ip Bus Duct , ( 4 . 16 ) Delinking & Re-Linking Of Lavt From Ip Bus Duct . , ( 4 . 17 ) Delinking & Re-Linking Of 16 . 5 Kv Bushing Connection From Transformer Winding Of , ( 4 . 17 ) ( I ) Generator Transformer , ( 4 . 17 ) ( Ii ) Unit Auxiliary Transformer , ( 4 . 18 ) Shifting Of 16 . 5Kv Bushing From Central Store To G . T / S . T Transformer Yard . , ( 4 . 19 ) Removal & Installation Of 16 . 5 Kv Bushing . As Per Scope Of Work Sl No 3 . , ( 4 . 20 ) Removal & Installation Of Rubber Bellow Of Ip Bus Duct After Shifting Of Rubber Bellow From Esd Dtps Store To Site , ( 4 . 21 ) Opening & Closing Of Manhole Of Sp Bus Duct Of Uat / Station Transformer , ( 4 . 22 ) Opening & Closing Of Manhole Of Ip Bus Duct . , ( 4 . 23 ) Opening & Closing Of Rubber Bellow / Ring Of Ip Bus Duct . , ( 4 . 24 ) Opening & Closing Of Rubber Bellow Sp Bus Duct . , ( 4 . 25 ) Cleaning Of 16 . 5 Kv Support Insulator Inside Ip Bus Duct With Petrol / Ctc . , ( 4 . 26 ) Cleaning Of 6 . 6 Kv Support Insulator / Seal Of Bushing Inside Sp Bus Duct With Petrol / Ctc . , ( 4 . 27 ) Removal & Installation Of 16 . 5 Kv Support Insulators Inside Ip Bus Duct After Necessary Testing . , ( 4 . 28 ) Removal & Installation Of 6 . 6 Kv Support Insulators Inside Sp Bus Duct . , ( 4 . 29 ) Replacement Of 6 . 6 Kv Seal Of Bushing Of Uat / St . , ( 4 . 30 ) Delinking & Re-Linking Of 6 . 6 Kv Bushing Of Station Transformer Or Uat From Sp Bus Duct . , ( 4 . 31 ) Opening & Closing Of Manhole Of 0 . 4 Kv Side Sp Bus Duct Of Lt Transformer . , ( 4 . 32 ) Cleaning Of 0 . 4 Kv Support Insulator Inside Sp Bus Duct Of Lt Transformer . As Per Scope Of Work Sl No 10 . , ( 4 . 33 ) Removal & Installation Of 6 . 6 Kv Bushing Of L . T . Transformer . , ( 4 . 34 ) Removal & Installation Of 0 . 4 Kv Bushing Of L . T . Transformer . , ( 4 . 35 ) Removal & Installation Of 0 . 4 Kv Support Insulator Inside Bus Duct Of L . T . Transformers . , ( 4 . 36 ) Cleaning & Servicing Of Dry Type Transformer As Per Scope Of Work Mentioned At Sl . No . 8 Up To 2000 Kva Transformer , ( 4 . 37 ) Cleaning Of Ht Transformers After Completion Of Centrifuging / Servicing Work . - As Per Scope Of Work Sl No 12 . , ( 4 . 37 ) ( I ) Generator Transformer , ( 4 . 37 ) ( Ii ) Station Transformer , ( 4 . 37 ) ( Iii ) Unit Auxiliary Transformer , ( 4 . 38 ) Servicing Of Oil Filled Lt Transformer As Per Scope Of Work Mentioned At Sl . No . 9 , ( 4 . 39 ) Servicing Of Marshalling Boxes Of Ht Transformers . As Per Scope Of Work Sl No 6 . , ( 4 . 40 ) Servicing Of Marshalling Boxes Of Lt Transformers . As Per Scope Of Work Sl No 7 . , ( 4 . 41 ) Cleaning & Checking Of C . T . & Tightening Of C . T . Connection Inside Ip Bus Duct . , ( 4 . 42 ) Checking Of Space Heaters Inside The Sp Bus Duct . , ( 4 . 43 ) Dismantling / Remounting Of Prv Of Generator Transformer Or Station Transformer Or Unit Auxiliary Transformer For Its Checking Or Replacement , ( 4 . 44 ) Dismantling & Remounting Of Buchholz Relay Of Generator Transformer Or Station Transformer Or Unit Auxiliary Transformer For Checking Or Replacement . , ( 4 . 45 ) Dismantling & Remounting Of Surge Relay Of Generator Transformer Or Station Transformer For Checking Or Replacement . , ( 4 . 46 ) Dismantling & Remounting Of Buchholz
