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Work Contract For Aoh Of Electrical Equipment And Auxiliaries Of Unit No . 5 , 210Mw Atps , Mppgcl , Chachai -1 Generator ( A ) Generator Overhauling ( To Be Included With Tg Overhauling Tender Schedule ) ( B ) Misc Works In Generator Overhauling ( I ) Cleaning / Painting Of Bus Duct Pressurization Unit. ( Ii ) H2 Purging After Unit Shutdown & H2 Refilling Before Of Unit Light Up. ( Iii ) Cleaning / Painting Of H2 Drier ( Iv ) Cleaning / Servicing Of Hydrogen Coolers 2 Transformers ( A ) General Overhauling Of Ht Transformers ( I ) Generating Transformer ( A ) Cleaning / Washing Of Transformers ( B ) Painting Of Transformers ( C ) Terminal Tightness ( D ) Inspection Of Seal Of Bushing, Insulators, Terminal Bushings, Etc ( E ) Cleaning Of Gt Cooler Banks ( F ) Overhauling Of Fan & Pump Motors ( Ii ) Station Transformer ( A ) Cleaning / Washing Of Transformers ( B ) Painting Of Transformers ( C ) Terminal Tightness ( D ) Inspection Of Seal Of Bushing, Insulators, Terminal Bushings, Etc ( E ) Overhauling Of Fan & Pump Motors ( Iii ) Inter-Connecting Transformer ( A ) Cleaning / Washing Of Transformers ( B ) Painting Of Transformers ( C ) Terminal Tightness ( D ) Inspection Of Seal Of Bushing, Insulators, Terminal Bushings, Etc ( E ) Overhauling Of Fan & Pump Motors ( Iv ) Unit Auxiliary Transformer ( A ) Cleaning / Washing Of Transformers ( B ) Painting Of Transformers ( C ) Terminal Tightness ( D ) Inspection Of Seal Of Bushing, Insulators, Terminal Bushings, Etc ( E ) Overhauling Of Fan & Pump Motors ( V ) Misc. Ht Transformer ( Construction / Auto / Distribution, Etc ) ( A ) Cleaning / Washing Of Transformers ( B ) Painting Of Transformers ( C ) Terminal Tightness ( D ) Inspection Of Seal Of Bushing, Insulators, Terminal Bushings, Etc ( E ) Overhauling Of Fan & Pump Motors ( Vi ) Neutral Grounding Panel ( Gen., Gt, St, Uat''''s ) Cleaning / Inspection / Painting ( Vii ) Painting Of Transformer Oil Storage Tank ( A ) Transformer Oil Storage Tank 6 Kl Capacity ( B ) Transformer Oil Storage Tank 18 Kl Capacity ( C ) Transformer Oil Storage Tank 22.5 Kl Capacity ( D ) Transformer Oil Storage Tank 28 Kl Capacity ( E ) Transformer Oil Storage Tank 45 Kl Capacity ( Viii ) Identification Boards Of Transformers ( Ix ) Painting Of Transformer Yard Fencing & Gate ( X ) Transformer Oil Filter Machine Painting ( B ) General Overhauling Of Lt Transformers ( I ) Lt Dry Type Transformers ( A ) Cleaning Of Transformers ( B ) Painting Of Transformers ( C ) Terminal Tightness ( D ) Inspection Of Seal Of Bushing, Insulators, Terminal Bushings, Etc ( Ii ) Lt Oil Filled Transformers ( A ) Cleaning / Washing Of Transformers ( B ) Painting Of Transformers ( C ) Terminal Tightness ( D ) Inspection Of Seal Of Bushing, Insulators, Terminal Bushings, Etc ( Iii ) Excitation Transformer ( A ) Cleaning ( B ) Painting ( C ) Terminal Tightness ( Iv ) Painting Of Lt Transformer Yard Fencing Gate 3 Switchyard :- ( I ) Breaker, Isolators , Earth Switch, Bay Equipments Cleaning & Terminal Tightness ( Ii ) Painting And Ryb Colour Identification Marking. ( A ) Bay Equipments Along With Structure: Ct / Pt / Cvt / La ( B ) Circuit Breakers ( C ) Marshalling Box, Mom Box ( D ) Earth Switch ( E ) Bus Post Insulators ( Iii ) Identification / Caution Board Painting & Letter Writing. ( Iv ) Circuit Breaker Platform Cleaning And Painting 4 Bus Ducts : Inspection, Tightness, Cleaning, Painting And Replacement Of Insulators & Heaters ( If Required ) ( I ) 21 / 15.75 Kv Gen Bus Duct ( Ii ) 11 Kv Uat Bus Duct ( Iii ) 6.6 Kv St Bus Duct ( Iv ) 6.6 Kv Uat Bus Duct ( V ) Lt Transformer Bus Duct 5 Esp ( I ) Ltmsb, Acp Buses & Mcc ( Cleaning , Tightness & Complete Inspection Of All Buses ) ( Ii ) Cleaning, Tightness Work In Ec Panel ( Field Controller Panel ) ( Iii ) Cleaning, Tightness Work In Ec Panel ( Rapping Controller Panel ) ( Iv ) Cleaning & Resistance Checking Of Heaters, Replacement Of Faulty Esp Hopper Heaters ( A ) Servicing / Replacement Of Hopper Heaters ( B ) Servicing / Replacement Of Shaft Insulator Heating Elements ( C ) Servicing / Replacement Of Support Insulator Heating Elements ( V ) General Overhauling Of : ( A ) Pin Insulator, Support Insulator & Shaft Insulators ( B ) Tr Set Along With Painting ( C ) Rapping Motors 6 Ht Switchgear Panel ( 11 Kv / 6.6 Kv ) ( I ) Bus Cleaning , Tightness & Complete Inspection Of All Buses. ( Ii ) Breaker Cleaning, Tightness & Operation Checking 7 415V Lt Swbd / Mcc / Acdb / Dcdb Switchgear Panel ( I ) Bus Cleaning , Tightness & Complete Inspection Of All Buses. ( Ii ) Breaker / Module Cleaning, Tightness & Operation Checking. 8 Bop Switchgear''''s Panel ( I ) Bus Cleaning , Tightness & Complete Inspection Of All Buses. ( Ii ) Breaker / Module Cleaning, Tightness & Operation Checking. 8 Bop Local Control Panels / Wall Mounted Panels ( I ) Bus Cleaning , Tightness & Complete Inspection Of All Buses. ( Ii ) Breaker / Module Cleaning, Tightness & Operation Checking. 9 Power House Lighting & Power Supply ( I ) Cleaning , Tightness & Complete Inspection Of All Lightning Transformers & Ldb ( Ii ) Painting Of Lighting Transformer & Ldb ( Iii ) Providing Power Supply As Per Site Requirement & For Other Maintenance Work Bmd, Tmd Etc. ( Iv ) Overhauling Of Lighting Panels ( A ) Street Light Poles ( B ) Various Type Of Lp''''s ( C ) Painting & Writing Of Nomenclatur Of Above. ( D ) Security Watch Tower Light ( V ) Lighting Circuits In Tg, Boiler, Switchgear, Wt Plant, Dm Plant, Fuel Oil Building 10 Ht Motors ( I ) Servicing Of Ht Motors ( A ) Cleaning , Tightness, Bearing Inspection , Greasing Etc. ( B ) Painting Of Ht Motors ( C ) Nomenclature Of Motors ( Ii ) Complete Overhauling Of Ht Motors ( Upto 1000 Kw ) ( Iii ) Complete Overhauling Of Ht Motors ( Above 1000 Kw ) ( Iv ) Ht Motor Cooler ( General Inspection & Cleaning ) ( V ) Painting Of Canopy / Shed Of Ht Motors 11 Lt Motors Servicing ( I ) Motors Above 40 Kw ( Ii ) Motor 40 Kw To 11 Kw ( Iii ) Motors 10 Kw To 5.5 Kw ( Iv ) Motors 5 Kw To 1.1 Kw ( V ) Motors 1 Kw And Below 12 Lt Motor Overhauling : ( I ) Motors Above 40 Kw ( Ii ) Motor 40 Kw To 11 Kw ( Iii ) Motors 10 Kw To 5.5 Kw ( Iv ) Motors 5 Kw To 1.1 Kw ( V ) Motors 1 Kw And Below 13 Servicing Of Battery Bank ( A ) Servicing Of Unit / Station / Switchyard Battery Set ( B ) Cleaning / Servicing Of 220 V Dc Db ( C ) Cleaning / Servicing Of 220 V Dc Solenoid Valve Db 14 Servicing Of Soot Blowers ( A ) Servicing Of Soot Blowers
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