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| 1 | Part-A- Routine & Breakdown maintenance of electrical system ESP of unit #I/II/III |
| 2 | Upkeep of floor and equipment of ESP of unit I, II, III.1-Floors, doors & windows panels of 01 No., switchgear room 01 No., control roomfor each ESP. 2- Daily upkeep externally (As per scope of work) (a) Electronic controller panels-28 Nos. each unit.(b)Switchgear/MCC/Panel Boards-02 Nos. each unit. (c)MCC forheater & rapping motors-04 Nos. each unit. |
| 3 | Routine Maintenance of electrical system of ESP of unit I, II, III(1)High voltage rectifier transformers-3 x 28 Nos(2) Electronic controller panels - 3x28 Nos. (3) Rapping motors emitting/collecting - 3x56 Nos.(4) ESP Switchgear - 3x2 Nos. (5) MCC for rapping motor - 3x4 Nos.(6) JBs (located at various floor between 0 meter to HVR Floor - 3x56 Nos. (7) Various heaters (Hopper heater) 3x28x12, shaft insulation heater 3x28, support insulator heater 3x28x4 Nos. (8) Motors for RVF - 3x16 Nos. |
| 4 | Air testing of fields (28 Nos.) of ESP and fault removing if any and preventive maintenance of control panels and MCC etc. during S/D of unit. |
| 5 | Breakdown maintenance of H.V.R. transformer including replacement of oil /gasket/valve/buchholz relay/card/gauges etc. |
| 6 | Dismantling & Shifting of H.V.R. Transformer & Disconnecting switches for replacement of field electords laying below the transformer & then re-erection & re-commissioning. |
| 7 | Replacement ofdefective part of disconnecting switches (Knife switches) such as ferrules/ connectors/ insulators etc. |
| 8 | Complete overhauling of 62.5KVA, BHEL make HVR transformer of ESP. |
| 9 | PART A Routine maintenance of electrical system of soot blowers |
| 10 | Routine maintenance of electrical system of soot blowers of 3x210 MW, ATPS, Anpara. (monthly rate to be quoted) |
| 11 | PART B Break down maintenance of electrical system of soot blowers |
| 12 | Break down maintenance of control circuit of LRSB / wall blowers. |
| 13 | Repair / Servicing of Limit Switches of wall blowers. |
| 14 | Repair / Servicing of Limit Switches of LRSB. |
| 15 | Repair / Servicing of actuator / element of LRSB / Wall blower |
| 16 | PART C- Testing, calibration and setting of English Electric/Jyoti make over current relays, Earth fault Relays, Under voltage Relays, Differential Relays,Auxiliary Relays etc. |
| 17 | CTMM Relay |
| 18 | VAGM Relay |
| 19 | VAG/CAG Relay |
| 20 | VAA/VTT Relay |
| 21 | DIFFERENTIAL Relay |
| 22 | PART D- Repair, Calibration and Testing of Electronic cards/ modules of ESP, DC System of 3X210 MW,ATPS,A NPARA |
| 23 | Power supply modules 6 EV 1410-4AC |
| 24 | Power supply Regulator card 6 FV 3200-OD |
| 25 | Firing circuit card 6 DC 1400-ICC |
| 26 | Reference Integrator card 6 DC 2005 - BC |
| 27 | FB / UB Circuit card PC 263 - S |
| 28 | Spark rate control PC 264 - S |
| 29 | Blocking circuit card PC 265 -S |
| 30 | Annunciation circuit card PC- 266- S |
| 31 | Spark counter circuit card PC -267 -S |
| 32 | Spark detention circuit card PC -268 -S |
| 33 | Feed back rectifier PC-272-S |
| 34 | Gate circuit card PPL -204 -300 -201 |
| 35 | High voltage Rectifier card |
| 36 | Automatic voltage regulation card for 220 V DC/+V DC Trickle charger ERC 555 |
| 37 | Automatic Voltage Regulator card for H2 gas generating plant. |
| 38 | Part-E (6.6 KV System Breakdown Work) |
| 39 | Breakdown maintenance due to flashover in any panel or on a portion of Bus bar including replacement of the damaged parts, reassembling of the section and re-commissioning after achieving I.R. values. |
| 40 | Breakdown maintenance of 1250A/2000A Jyoti make MOCB including replacement of damaged / defective parts. |
| 41 | Arresting the oil leakage of 1250A/2000A Jyoti make MOCB from any portion of pole parts including toping of centrifuesed oil in the chamber. |
| 42 | Rectification of the electrical problem associated with trip / close of breakers / permissive/indication circuit including servicing / replacement of defective parts like contactors/limit switches / connectors T/Bs. Etc. inside the breaker ckt. |
| 43 | Repair / replacement of defective mechanical parts and hence removing any obstacle related to correct positioning / placement of breakers inside the cubicle. |
| 44 | Repair / replacement of damaged / defective switches such as local / remote or trip / close or Auto Manual etc. of cubicle / panels. |
| 45 | Replacement of damaged / defective C.Ts. and checking / testing with associated circuit. |
| 46 | Replacement of defective protection Relays / contactors etc. & rectification of the associated circuit fault. |
| 47 | Break down maintenance of control ckt. Panel of plant air compressor motors. |
| 48 | Repair / replacement of emergency push buttons / local start – stop buttons / meters of 6.6 KV motors. |
| 49 | Repair/Replacement of spring charging of motor starter |
| 50 | Disconnection & connection, replacement of differential CTs and testing after Breakdown of any auxiliaries/CTs |
| 51 | Part-G(0.4 KV System Breakdown WorkS) |
| 52 | Break down maintenance due to fire or flashover on any portion of the bus bar of 0.4 KV systems including reassembling of the section and re-commissioning after achieving I.R. values. |
| 53 | Break down maintenance of L&T/EE/GE make breakers of 0.4 KV system including replacement of damaged / defective parts. |
| 54 | Break down maintenance of 0.4 KV motor feeder modules including fault finding of control circuit & replacement of damaged / defective parts like contractors/EMRs/Switches/Fuse carriers etc. and tightness of cable termination at MCC and motor both the end. |
| 55 | Break down maintenance of 0.4 KV modules other than motor feeders including replacement of damaged/defective parts like switches/fuse carriers etc. |
| 56 | Replacement of protection relays / bus CT/ Bus PT etc. including rectification of the fault of associated circuit. |
| 57 | Checking & replacement of damaged heaters, its control circuit parts & re-commissioning of dryers of Instruments air compressors. |
| 58 | Break down maintenance of control circuit panel of Instrument Air compressor motors. |
| 59 | Break down maintenance of local control panel for scraper conveyor / clinker grinder / CMR including fault finding of control circuit, replacement of defective parts & set right the local as well as remote operation. |
| 60 | Repair / replacement of defective switches such as local / remote, trip / close auto / manual etc. of Bus Bar cubicle or panels. |
| 61 | Break down maintenance of clarifloculator bridge panels & supply through commutator and carbon brushes of PT-1 / PT-2. |
| 62 | Break down maintenance of lime & alum. Dozing agitator mixture starter and TPN switches of A/B filtration plant. |
| 63 | Break down maintenance of star delta starter & TPN switches of 135 KW. Water supply motors in filtration plant. |
| 64 | Break down maintenance of control circuit panels (LCC) of 0.4 KV system of ancillaries including fault finding of control circuit, replacement of defective parts like contactors, BMRs/Switches/Push buttons / starters / Bulb holders / fuse carriers etc. and re-commissioning of the system for its local and remote operation and healthy indication circuit. |
| 65 | Repair / replacement of emergency push buttons / local start-stop push buttons / meters of 0.4 KV Motors. |
| 66 | Repair of rectifier unit of H2 plant including fault finding of circuit and replacement of defective parts and re-commissioning. |
| 67 | PART H- Checking and rectifying the fault in control panels and testing of interlock protection, local / remote of :- |
| 68 | Ash water pump house. |
| 69 | Ash slurry pump house. |
| 70 | Replacement of defective timer, contactor,relays,fusebase etc in panel |
| 71 | Electrical breakdown maintenance of sump pump |
| 72 | PART I- Routine servicing / Breakdown maintenance of 0.4 KV EE, GE and L&T make Air Circuit Breakers |
| 73 | Routine servicing / Breakdown maintenance of 0.4 KV EE, GE and L&T make Air Circuit Breakers of 3x210 MW ATPS Anpara |
| 74 | PART J- Levelling & alignment of 6.6 KV Minimum Oil Circuit Breakers(MOCB) |
| 75 | Levelling & alignment of 6.6 KV Minimum Oil Circuit Breakers(MOCB) Of 3x210 MW ATPS Anpara. |
| 76 | PART-K Upkeep of 6.6 KV, 0.4 KV switchgears, MCC, DC system and DG Set etc. of 3x210 MW, ATPS, Anpara |
| 77 | Category (A)-UPKEEP OF FLOOR AND PANELS (EXTERNALLY) OF 0.4 KV. SWITCHGEAR OF UNIT I/II/III & ANCILLIARY SYSTEM EXCLUDING C.H.P |
| 78 | Alternate days upkeep of floor area of 0.4 KV Switchgear, different MCC of Unit No. I, II & III as mentioned in Annexure A (1) & A (2). |
| 79 | Weekly upkeep of electrical panels (externally) as mentioned in Annexure A (3) & A (4) . |
| 80 | Category (B)- Upkeep of floor andpanels(externally) of6.6 KV switchgear of Unit No. I, II, III, CWPH, ASH slurry etc. of \"A\" TPS (excluding CHP) |
| 81 | Alternate days upkeep of floor area of 6.6 KV switchgear of Unit No. I, II, III, and CW Pump house, Ash handling etc. as mentioned in Annexure B (1). |
| 82 | Upkeep of ceiling of switchgear rooms as mentioned in Annexure A(1),A(2) B(1) (01 day in a month) |
| 83 | Weekly external upkeep of S/G Board / panels / cabinet as mentioned in Annexure B(2) |
| 84 | Category ( C)Upkeep ofMCC, DC system and DG Set etc. |
| 85 | Daily upkeep of floor of Battery Room of Units as well as ATRS Batteries and DG set Room as mentioned in Annexure-\"C\" under itemC(1) |
| 86 | Upkeep of site offices of this division |
| 87 | Category(D) |
| 88 | Weekly external upkeep of a system mentioned in Annexure-\"C\" under item D(1) |
| 89 | Category ( E) |
| 90 | Quarterly internal upkeep of DC/DG system mentioned in Annexure-\"C\" under item E (1) |
| 91 | Complete washing of filter line and replacement of filters of DG set of all three units including removal of sludge from Diesel tank of DG sets |
| 92 | Uprooting of grass / shrubs / bushes around site stores / office of this division area 100x100 Sqm |
