|
| 1 | For Scope of work under Part-A, for First Year:Lump Sum Monthly Charges for both Units-I&II for Main Scope of work under Part-A (i.e. work of Boiler Pressure Parts, Boiler Rotary Parts & Common Activities as Per Scope of Work) |
| 2 | For Scope of work under Part-B, for First Year(from 1.02 to 1.85) |
| 3 | Mobilization & attending the boiler tube leakage / preventive maintenance of pressure parts tubes in boiler but excluding Platen Super Heater area, Divisional Super Heater area, Platen Re Heater area, Finish Reheater area, steam cooled SH spacer tubes and liquid cooled positioning tubes. It includes cutting, welding, fit-up, grinding and replacement of tube of all sizes and thickness involving up-to 10 nos. HP joints. Note:- (i) 3 Nos. Metal Built-ups each having length up-to 100 mm will be considered as one joint and each window type joint will be considered as equivalent to 3 normal joints. (ii)Through inspection for identification of failed tubes & inspection of adjoining area in vicinity of failed tube(s) will be in the scope of work of contractor. To identify and attend the tubes found damaged & eroded tubes due to secondary damage. (i) Minor scaffolding (i.e. up to using 5 nos. jalies for height of 1 mtr from base will be in scope of contractor & no separate payment will be made.(ii) Attending tube leakages in Panel re-heater area from outside of furnace shall also be covered under this head. |
| 4 | Mobilization & attending the boiler tube leakage / preventive maintenance of Platen Re Heater area. It includes cutting, welding, fit-up, grinding and replacement of tube of all sizes and thickness involving up-to 10 nos. HP joints.Note:-(i) 3 Nos. Metal Built-ups each having length up-to 100 mm will be considered as one joint and each window type joint will be considered as equivalent to 3 normal joints. (ii)Through inspection for identification of failed tubes & inspection of adjoining area in vicinity of failed tube(s) will be in the scope of work of contractor. To identify and attend the tubes found damaged & eroded tubes due to secondary damage.(iii) Removal and re-installation of flexible connectors shall also be in the scope of contractor.(iv) Scaffolding as per site requirement for attending the tube leakages in above mentioned area will be in scope of contractor & no separate payment will be made. |
| 5 | Mobilization & attending the boiler tube leakage / preventive maintenance of Final Re Heater area. It includes cutting, welding, fit-up, grinding and replacement of tube of all sizes and thickness involving up-to 10 nos. joints.Note:-(i) 3 Nos. Metal Built-ups each having length up-to 100 mm will be considered as one joint and each window type joint will be considered as equivalent to 3 normal joints. (ii)Through inspection for identification of failed tubes & inspection of adjoining area in vicinity of failed tube(s) will be in the scope of work of contractor. To identify and attend the tubes found damaged & eroded tubes due to secondary damage.(iii) Removal and re-installation of flexible connectors shall also be in the scope of contractor.(iv) Scaffolding as per site requirement for attending the tube leakages in above mentioned area will be in scope of contractor & no separate payment will be made. (v) Stress relieving, Pre & Post Heat treatment of joints as per procedure shall be in the scope of contractor. |
| 6 | Erection of boiler maintenance platform/ sky-climber/jhoola for attending tube leakages in Divisional SH panels, Platen SH panels, Panel RH tubes (if attended from inside the first pass of furnace), SH steam cooled spacer tubes and liquid cooled positioning tubes involving up-to 10 nos. HP joints. 3 Nos. Metal Built-ups each having length up-to 100 mm will be considered as one joint and each window type joint will be considered as equivalent to 3 normal joints. |
| 7 | Attending tube leakages in pent house portions, connecting tubes of all pendant SH and RH panels, radiant roof tubes, any other miscellaneous pipeline as well as removal and re-fixing of hand hole caps of headers |
| 8 | Radiography of up-to 10 nos. HP joints. Engagement of a qualified Level-II NDT expert who could interpret RT films correctly along with RT source/camera of appropriate strength shall also be in the scope of the contractor. NDT expert shall submit a detailed report clearly mentioning whether the welding joint is satisfactory or not. |
| 9 | Carrying out Radiography of HP joints in addition to 10 nos. joints mentioned at Sr. No. 6 above. |
| 10 | Carrying out HP joint in addition to 10 nos. joints mentioned at Sr. No. 1, 2, 3, 4 & 5 to above in boiler. It includes cutting, welding, fit-up, grinding and welding of one no. joint of tube of all sizes and any thickness of boiler in area covered under Sr. No. 1, 2, 3, 4 & 5 above. |
| 11 | Metal build up on worn out boiler tubes in boiler including Platen Super Heater area, Divisional Super Heater area, Platen Reheater area, Finish Reheater area, Panel/wall Reheater area, SH spacer tubes and liquid cooled positioning tubes half round surface by HP welder up-to 100 MM length. |
| 12 | Attending leakage by welding of HP Joints of outside the boiler including replacement of pipe up to 1 Mtr. Length / valve / bends by cutting, welding, grinding and fit-up work for each joint.NOTE: In case HP welder capable of doing the above work does not reach RGTPP within 4 Hrs. of verbal/written/ SMS instructions by EIC (i.e. AEE/AE Concerned) or higher authority & hence work could not be started or welder engaged is found incompetent then penalty of Rs.5000/- will be imposed on the contractor which will be in addition to other penalty clauses as applicable. Also work will be got carried out through outside agency which will cost approx minimum Rs.20000/- per day at the risk & cost of the contractor and hence deducted from his running bill/s. It is pertinent to mention that above value of risk & cost will be over & above the penalty amount. |
| 13 | Stress relieving activity along with installation of pre-heating coils and post-heating coils as well. The supply and application of thermal insulation mattress must also be included in the scope of contractor. |
| 14 | Replacements of gasket of man hole of boiler drum including minor repair/grinding, if any |
| 15 | Repair, rectification & re-fixing of cassette baffles. |
| 16 | Providing & Re-positioning of twisted shields/ Replacement of shielding plates/shrouds plated on various boiler tubes. |
| 17 | Casting refractory on boiler. |
| 18 | Providing skin casing with 3mm plate |
| 19 | Providing buck stay pin / repairing of buck stay. |
| 20 | Providing of scaffolding & platform in the inside/outside boiler area (height X length) with width of 2 nos. Jail (i.e. 2-3 feet approx) |
| 21 | Replacement of steam tracing line. |
| 22 | Internal water washing of goose neck area (i.e. rear arc area) and 2nd pass of boiler. |
| 23 | External water washing of boiler from 42 Meters Approx to bottom ring header elevation |
| 24 | External water washing of boiler from pent house to zero meter including 2nd pass |
| 25 | Checking of Burner Tilt Mechanism and rectification thereof at one corner.a) Disconnections of all reach rods from burner tilt mechanism as per requirement.b) Dismantling of burner tilt mechanism including removal of drive shaft after disconnecting from burner tilt power cylinder. Removal of burner tilt power cylinder from its position if required by C & I mtc. And refitting of same & replacement of burner tilt shear pin/ other pins, if found damaged.c) Lubrication of pins, shafts, studs of reach rod etc. As per requirement.d) Repair/ replacement of reach rod turn buckle, pivot pins, pins of tilting mechanism as per requirement.e) Assembly & refitting of burner tilt mechanism.f) Connections of all reach rods to burner tilt mechanism and zero setting of all nozzle tips.g) Tilting trail of burner tilt. Ensure free operation of burner tilt upto +/ - 30 degree connecting with power cylinder and trail operation power cylinder. |
| 26 | Rectification of jammed secondary air damper from inside wind box.a) Cleaning and removing of all the ash accumulated in SADC partition plate in all the four corners and cleaning shafts and bush with diesel/ restoline etc. As per requirement.b) Repair/ replacement of damper flaps, bush, glands, links and partition plate of damper compartment as per requirement.c) Making damper operation free & smooth.d) Providing damper movement indicators over the shaft as per requirement.e) Repairing secondary air damper lever & its connection with damper power cylinder if required.f) Removal of bush of drive end & non drive end along with bush housing in case of jamming of SADC if required & refitting of same after repairing or replacement by new.g) Repairing and replacement of stopper.NOTE: Scaffolding if required for above work will be paid extra as per unit rate under item No. 11. |
| 27 | Rectification of jammed secondary air damper from outside wind box. |
| 28 | Repairing of scanner guide assembly including its removal from panel, repair/replacement of worn out parts if required and checking its movement with tilting mechanism. |
| 29 | Servicing / overhauling of oil gun assembly with Igniter including replacement of worn out parts if required. |
| 30 | Opening/closing of oil gun/coal nozzle/air chamber for inspection |
| 31 | Removal, refitting & servicing of burner isolating gate with replacement of gaskets etc. at furnace end.NOTE: All the associated works such as removal/ locking of fuel inlet elbow, removal of Victaulic coupling etc. Required for completion of above job is included in scope of work.In case work is not started within reasonable time after verbal/ written/ SMS instructions by EIC (i.e. AEE/AE concerned) or higher authority or manpower engaged is found incompetent then penalty of Rs. 5000/- per day will be imposed on the contractor which will be in addition to other penalty clauses as applicable. Also work will be got carried out through outside agency which will cost approx minimum Rs. 30,000/- plus taxes extra as applicable per day at the risk and cost of other agency of the contractorand hence deducted from his running bills. It is pertinent to mention that above value of risk will be over and above the penalty amount. |
| 32 | Repairing of boiler seal trough dipping plate which includes lifting/lowering/bolting etc as per requirement. |
| 33 | Repair/replacement of tie rod of any hanger in boiler area. |
| 34 | Replacement of ss wire mesh in seal trough area |
| 35 | Complete servicing of wall soot blower. |
| 36 | Repairing/replacement of Chain oflong retractable soot blower |
| 37 | Complete servicing / Repairing of long retractable soot blower includingGear Box including lance, other sparesreplacement etc if required |
| 38 | Repair, Servicing, replacement ofdamaged spares / gaskets & attending steam leakagesofvalves/ NRVs of size 600 mm & above |
| 39 | Sealing of Bottom Ash Hopper from Z panel |
| 40 | Replacement of complete rotor assembly (i.e. Main Bearing Housing with Shaft, Impeller and Hydraulic Cylinder) of ID Fans, Model No. SAF 38.5-22.4-1 |
| 41 | Replacement of complete double stage rotor assembly (i.e. Main Bearing Housing with Shaft, Impeller and Hydraulic Cylinder) of PA Fans, Model No. PAF 20.2-12.5-2 |
| 42 | Replacement of complete rotor assembly (i.e. Main Bearing Housing with Shaft, Impeller and Hydraulic Cylinder) of FD Fans, Model No. FAF 25-13.3-1 |
| 43 | Dismantlement, Servicing and preparation of ID Fan rotor Assembly Model No. SAF 38.5-22.4-1 |
| 44 | Dismantlement, Servicing and preparation of double stage PA Fan rotor Assembly Model No. PAF 20.2-12.5-2 |
| 45 | Dismantlement, Servicing and preparation of FD Fan rotor Assembly Model No. Model No. FAF 25-13.3-1 |
| 46 | Decoupling & coupling after alignment ofID / FD / PA Fan with motor |
| 47 | Replacement of blade pitch control system ( i.e. Hydraulic Cylinder) of ID/FD/PA Fan |
| 48 | Opening & Re-fixing of top casing of ID/FD/PA Fan including removal/ replacement of fabric expansion joint of casing. |
| 49 | Attending oil leakage of bearing housing of ID/FD/PA Fans excluding top cover opening. |
| 50 | Attending oil leakage of blade pitch control system of ID Fans including removing/ replacement of cover plate |
| 51 | Replacement of complete set of blades of ID fans excluding top cover opening. |
| 52 | Replacement of complete set of blades of both impellers of PA fans excluding top cover opening. |
| 53 | Replacement of lube oil pump or coupling of lube oil pump, including opening & re-fixing of Lube oil pump of ID / FD / PA Fan |
| 54 | Removal of impeller of scanner air fan from motor shaft and its refitting. |
| 55 | Attending cooler tube leakage of lube oil system of ID/FD/PA fans. |
| 56 | Cleaning of oil coolers. |
| 57 | Replacement of oil after thorough cleaning of oil chamber from inside. |
| 58 | Replacement of DE/NDE bearings of ID/PA fan motors |
| 59 | Repairing of steam/ air lance of soot blower by welding |
| 60 | Cleaning of lube oil coolers. |
| 61 | Replacement of mechanical seal of lub oil pump of guide/ support bearing including dismantlement & assembly of pump. |
| 62 | Water washing of APHs through washing system or Fire Fighting line. |
| 63 | Coupling & decoupling of rapping mechanism gear boxes of ESP. |
| 64 | Checking of ESP field |
| 65 | Checking of rapping mechanism of one complete pass |
| 66 | Removal of snapped emitting electrodes. |
| 67 | Erection of new emitting electrodes |
| 68 | Repairing/ replacement of shock bar, Repairing of guide bar |
| 69 | Replacement of shaft insulator |
| 70 | Replacement of plain fixed / free bearing |
| 71 | Re-positioning / removal / replacement of deflection plate. |
| 72 | Repairing of worn/ damaged manhole |
| 73 | Cleaning of shaft insulators. |
| 74 | Attendingleakages of ash by weldingfrom inside ofhopperincluding cleaning of surface of hopper for pointing out leakage, formation of temporary platforms if required etc. |
| 75 | Fabrication, repair & fitment of Flap assembly of Mechanical Ash Level Indicators of ESP hoppers. |
| 76 | Patch work on ducts up to 300mm x 300mm |
| 77 | Repairing of duct with welding(welding in running meter) |
| 78 | Repair / replacement of fabric expansion bellowin air/ flue gas duct or in any other area irrespective of width |
| 79 | Replacement of cartridge of HFO / LDO pressurizing pumpincluding replacement of mechanical seal, bearings, if required, including alignment and normalization. |
| 80 | Replacement of mechanical seals of HFO/ LDO unloading pump/ transfer/ pressurizing pump |
| 81 | Erection of temporary platform in the different auxiliary\"s area (Height X Length) up to width of 02 jali\"s. in addition to the work covered in Part-A. |
| 82 | Deployment of below mentioned manpower as per requirement for the miscellaneous jobs which are not covered above. A gang of 1 no. Tech. & 1 no. Helper for attending any misc. Job for duration of 4 hours. |
| 83 | Deployment of below mentioned manpower as per requirement for the miscellaneous jobs which are not covered above. A gang of 1 no. Rigger. & 1 no. Helper for attending any misc. Job for duration of 4 hours. |
| 84 | Deployment of below mentioned manpower as per requirement for the miscellaneous jobs which are not covered above:A gang of 1 no. Painter & 1 no. Helper for doing any misc. Painting job for duration of 4 hours |
| 85 | Fabrication & erection of Misc. steel structure |
| 86 | Removal/re-fixing of any dislocated / bulged skin casing up to 01 Sqr. Meter in boiler. |
| 87 | For Scope of work under Part-A, for Second Year:Lump Sum Monthly Charges for both Units-I & II for Main Scope of work under Part-A (i.e. work of Boiler Pressure Parts, Boiler Rotary Parts & Common Activities as Per Scope of Work) |
| 88 | For Scope of work under Part-B, for SecondYear(from 2.02 to 2.85) |
| 89 | Mobilization & attending the boiler tube leakage / preventive maintenance of pressure parts tubes in boiler but excluding Platen Super Heater area, Divisional Super Heater area, Platen Re Heater area, Finish Reheater area, steam cooled SH spacer tubes and liquid cooled positioning tubes. It includes cutting, welding, fit-up, grinding and replacement of tube of all sizes and thickness involving up-to 10 nos. HP joints. Note:- (i) 3 Nos. Metal Built-ups each having length up-to 100 mm will be considered as one joint and each window type joint will be considered as equivalent to 3 normal joints. (ii)Through inspection for identification of failed tubes & inspection of adjoining area in vicinity of failed tube(s) will be in the scope of work of contractor. To identify and attend the tubes found damaged & eroded tubes due to secondary damage. (i) Minor scaffolding (i.e. up to using 5 nos. jalies for height of 1 mtr from base will be in scope of contractor & no separate payment will be made.(ii) Attending tube leakages in Panel re-heater area from outside of furnace shall also be covered under this head. |
| 90 | Mobilization & attending the boiler tube leakage / preventive maintenance of Platen Re Heater area. It includes cutting, welding, fit-up, grinding and replacement of tube of all sizes and thickness involving up-to 10 nos. HP joints.Note:-(i) 3 Nos. Metal Built-ups each having length up-to 100 mm will be considered as one joint and each window type joint will be considered as equivalent to 3 normal joints. (ii)Through inspection for identification of failed tubes & inspection of adjoining area in vicinity of failed tube(s) will be in the scope of work of contractor. To identify and attend the tubes found damaged & eroded tubes due to secondary damage.(iii) Removal and re-installation of flexible connectors shall also be in the scope of contractor.(iv) Scaffolding as per site requirement for attending the tube leakages in above mentioned area will be in scope of contractor & no separate payment will be made. |
| 91 | Mobilization & attending the boiler tube leakage / preventive maintenance of Final Re Heater area. It includes cutting, welding, fit-up, grinding and replacement of tube of all sizes and thickness involving up-to 10 nos. joints.Note:-(i) 3 Nos. Metal Built-ups each having length up-to 100 mm will be considered as one joint and each window type joint will be considered as equivalent to 3 normal joints. (ii)Through inspection for identification of failed tubes & inspection of adjoining area in vicinity of failed tube(s) will be in the scope of work of contractor. To identify and attend the tubes found damaged & eroded tubes due to secondary damage.(iii) Removal and re-installation of flexible connectors shall also be in the scope of contractor.(iv) Scaffolding as per site requirement for attending the tube leakages in above mentioned area will be in scope of contractor & no separate payment will be made. (v) Stress relieving, Pre & Post Heat treatment of joints as per procedure shall be in the scope of contractor. |
| 92 | Erection of boiler maintenance platform/ sky-climber/jhoola for attending tube leakages in Divisional SH panels, Platen SH panels, Panel RH tubes (if attended from inside the first pass of furnace), SH steam cooled spacer tubes and liquid cooled positioning tubes involving up-to 10 nos. HP joints. 3 Nos. Metal Built-ups each having length up-to 100 mm will be considered as one joint and each window type joint will be considered as equivalent to 3 normal joints. |
| 93 | Attending tube leakages in pent house portions, connecting tubes of all pendant SH and RH panels, radiant roof tubes, any other miscellaneous pipeline as well as removal and re-fixing of hand hole caps of headers |
| 94 | Radiography of up-to 10 nos. HP joints. Engagement of a qualified Level-II NDT expert who could interpret RT films correctly along with RT source/camera of appropriate strength shall also be in the scope of the contractor. NDT expert shall submit a detailed report clearly mentioning whether the welding joint is satisfactory or not. |
| 95 | Carrying out Radiography of HP joints in addition to 10 nos. joints mentioned at Sr. No. 6 above. |
| 96 | Carrying out HP joint in addition to 10 nos. joints mentioned at Sr. No. 1, 2, 3, 4 & 5 to above in boiler. It includes cutting, welding, fit-up, grinding and welding of one no. joint of tube of all sizes and any thickness of boiler in area covered under Sr. No. 1, 2, 3, 4 & 5 above. |
| 97 | Metal build up on worn out boiler tubes in boiler including Platen Super Heater area, Divisional Super Heater area, Platen Reheater area, Finish Reheater area, Panel/wall Reheater area, SH spacer tubes and liquid cooled positioning tubes half round surface by HP welder up-to 100 MM length. |
| 98 | Attending leakage by welding of HP Joints of outside the boiler including replacement of pipe up to 1 Mtr. Length / valve / bends by cutting, welding, grinding and fit-up work for each joint.NOTE: In case HP welder capable of doing the above work does not reach RGTPP within 4 Hrs. of verbal/written/ SMS instructions by EIC (i.e. AEE/AE Concerned) or higher authority & hence work could not be started or welder engaged is found incompetent then penalty of Rs.5000/- will be imposed on the contractor which will be in addition to other penalty clauses as applicable. Also work will be got carried out through outside agency which will cost approx minimum Rs.20000/- per day at the risk & cost of the contractor and hence deducted from his running bill/s. It is pertinent to mention that above value of risk & cost will be over & above the penalty amount. |
| 99 | Stress relieving activity along with installation of pre-heating coils and post-heating coils as well. The supply and application of thermal insulation mattress must also be included in the scope of contractor. |
| 100 | Replacements of gasket of man hole of boiler drum including minor repair/grinding, if any |
| 101 | Repair, rectification & re-fixing of cassette baffles. |
| 102 | Providing & Re-positioning of twisted shields/ Replacement of shielding plates/shrouds plated on various boiler tubes. |
| 103 | Casting refractory on boiler. |
| 104 | Providing skin casing with 3mm plate |
| 105 | Providing buck stay pin / repairing of buck stay. |
| 106 | Providing of scaffolding & platform in the inside/outside boiler area (height X length) with width of 2 nos. Jail (i.e. 2-3 feet approx) |
| 107 | Replacement of steam tracing line. |
| 108 | Internal water washing of goose neck area (i.e. rear arc area) and 2nd pass of boiler. |
| 109 | External water washing of boiler from 42 Meters Approx to bottom ring header elevation |
| 110 | External water washing of boiler from pent house to zero meter including 2nd pass |
| 111 | Checking of Burner Tilt Mechanism and rectification thereof at one corner.a) Disconnections of all reach rods from burner tilt mechanism as per requirement.b) Dismantling of burner tilt mechanism including removal of drive shaft after disconnecting from burner tilt power cylinder. Removal of burner tilt power cylinder from its position if required by C & I mtc. And refitting of same & replacement of burner tilt shear pin/ other pins, if found damaged.c) Lubrication of pins, shafts, studs of reach rod etc. As per requirement.d) Repair/ replacement of reach rod turn buckle, pivot pins, pins of tilting mechanism as per requirement.e) Assembly & refitting of burner tilt mechanism.f) Connections of all reach rods to burner tilt mechanism and zero setting of all nozzle tips.g) Tilting trail of burner tilt. Ensure free operation of burner tilt upto +/ - 30 degree connecting with power cylinder and trail operation power cylinder. |
| 112 | Rectification of jammed secondary air damper from inside wind box.a) Cleaning and removing of all the ash accumulated in SADC partition plate in all the four corners and cleaning shafts and bush with diesel/ restoline etc. As per requirement.b) Repair/ replacement of damper flaps, bush, glands, links and partition plate of damper compartment as per requirement.c) Making damper operation free & smooth.d) Providing damper movement indicators over the shaft as per requirement.e) Repairing secondary air damper lever & its connection with damper power cylinder if required.f) Removal of bush of drive end & non drive end along with bush housing in case of jamming of SADC if required & refitting of same after repairing or replacement by new.g) Repairing and replacement of stopper.NOTE: Scaffolding if required for above work will be paid extra as per unit rate under item No. 11. |
| 113 | Rectification of jammed secondary air damper from outside wind box. |
| 114 | Repairing of scanner guide assembly including its removal from panel, repair/replacement of worn out parts if required and checking its movement with tilting mechanism. |
| 115 | Servicing / overhauling of oil gun assembly with Igniter including replacement of worn out parts if required. |
| 116 | Opening/closing of oil gun/coal nozzle/air chamber for inspection |
| 117 | Removal, refitting & servicing of burner isolating gate with replacement of gaskets etc. at furnace end.NOTE: All the associated works such as removal/ locking of fuel inlet elbow, removal of Victaulic coupling etc. Required for completion of above job is included in scope of work.In case work is not started within reasonable time after verbal/ written/ SMS instructions by EIC (i.e. AEE/AE concerned) or higher authority or manpower engaged is found incompetent then penalty of Rs. 5000/- per day will be imposed on the contractor which will be in addition to other penalty clauses as applicable. Also work will be got carried out through outside agency which will cost approx minimum Rs. 30,000/- plus taxes extra as applicable per day at the risk and cost of other agency of the contractorand hence deducted from his running bills. It is pertinent to mention that above value of risk will be over and above the penalty amount. |
| 118 | Repairing of boiler seal trough dipping plate which includes lifting/lowering/bolting etc as per requirement. |
| 119 | Repair/replacement of tie rod of any hanger in boiler area. |
| 120 | Replacement of ss wire mesh in seal trough area |
| 121 | Complete servicing of wall soot blower. |
| 122 | Repairing/replacement of Chain oflong retractable soot blower |
| 123 | Complete servicing / Repairing of long retractable soot blower includingGear Box including lance, other sparesreplacement etc if required |
| 124 | Repair, Servicing, replacement ofdamaged spares / gaskets & attending steam leakagesofvalves/ NRVs of size 600 mm & above |
| 125 | Sealing of Bottom Ash Hopper from Z panel |
| 126 | Replacement of complete rotor assembly (i.e. Main Bearing Housing with Shaft, Impeller and Hydraulic Cylinder) of ID Fans, Model No. SAF 38.5-22.4-1 |
| 127 | Replacement of complete double stage rotor assembly (i.e. Main Bearing Housing with Shaft, Impeller and Hydraulic Cylinder) of PA Fans, Model No. PAF 20.2-12.5-2 |
| 128 | Replacement of complete rotor assembly (i.e. Main Bearing Housing with Shaft, Impeller and Hydraulic Cylinder) of FD Fans, Model No. FAF 25-13.3-1 |
| 129 | Dismantlement, Servicing and preparation of ID Fan rotor Assembly Model No. SAF 38.5-22.4-1 |
| 130 | Dismantlement, Servicing and preparation of double stage PA Fan rotor Assembly Model No. PAF 20.2-12.5-2 |
| 131 | Dismantlement, Servicing and preparation of FD Fan rotor Assembly Model No. Model No. FAF 25-13.3-1 |
| 132 | Decoupling & coupling after alignment ofID / FD / PA Fan with motor |
| 133 | Replacement of blade pitch control system ( i.e. Hydraulic Cylinder) of ID/FD/PA Fan |
| 134 | Opening & Re-fixing of top casing of ID/FD/PA Fan including removal/ replacement of fabric expansion joint of casing. |
| 135 | Attending oil leakage of bearing housing of ID/FD/PA Fans excluding top cover opening. |
| 136 | Attending oil leakage of blade pitch control system of ID Fans including removing/ replacement of cover plate |
| 137 | Replacement of complete set of blades of ID fans excluding top cover opening. |
| 138 | Replacement of complete set of blades of both impellers of PA fans excluding top cover opening. |
| 139 | Replacement of lube oil pump or coupling of lube oil pump, including opening & re-fixing of Lube oil pump of ID / FD / PA Fan |
| 140 | Removal of impeller of scanner air fan from motor shaft and its refitting. |
| 141 | Attending cooler tube leakage of lube oil system of ID/FD/PA fans. |
| 142 | Cleaning of oil coolers. |
| 143 | Replacement of oil after thorough cleaning of oil chamber from inside. |
| 144 | Replacement of DE/NDE bearings of ID/PA fan motors |
| 145 | Repairing of steam/ air lance of soot blower by welding |
| 146 | Cleaning of lube oil coolers. |
| 147 | Replacement of mechanical seal of lub oil pump of guide/ support bearing including dismantlement & assembly of pump. |
| 148 | Water washing of APHs through washing system or Fire Fighting line. |
| 149 | Coupling & decoupling of rapping mechanism gear boxes of ESP. |
| 150 | Checking of ESP field |
| 151 | Checking of rapping mechanism of one complete pass |
| 152 | Removal of snapped emitting electrodes. |
| 153 | Erection of new emitting electrodes |
| 154 | Repairing/ replacement of shock bar, Repairing of guide bar |
| 155 | Replacement of shaft insulator |
| 156 | Replacement of plain fixed / free bearing |
| 157 | Re-positioning / removal / replacement of deflection plate. |
| 158 | Repairing of worn/ damaged manhole |
| 159 | Cleaning of shaft insulators. |
| 160 | Attendingleakages of ash by weldingfrom inside ofhopperincluding cleaning of surface of hopper for pointing out leakage, formation of temporary platforms if required etc. |
| 161 | Fabrication, repair & fitment of Flap assembly of Mechanical Ash Level Indicators of ESP hoppers. |
| 162 | Patch work on ducts up to 300mm x 300mm |
| 163 | Repairing of duct with welding(welding in running meter) |
| 164 | Repair / replacement of fabric expansion bellowin air/ flue gas duct or in any other area irrespective of width |
| 165 | Replacement of cartridge of HFO / LDO pressurizing pumpincluding replacement of mechanical seal, bearings, if required, including alignment and normalization. |
| 166 | Replacement of mechanical seals of HFO/ LDO unloading pump/ transfer/ pressurizing pump |
| 167 | Erection of temporary platform in the different auxiliary\"s area (Height X Length) up to width of 02 jali\"s. in addition to the work covered in Part-A. |
| 168 | Deployment of below mentioned manpower as per requirement for the miscellaneous jobs which are not covered above. A gang of 1 no. Tech. & 1 no. Helper for attending any misc. Job for duration of 4 hours. |
| 169 | Deployment of below mentioned manpower as per requirement for the miscellaneous jobs which are not covered above. A gang of 1 no. Rigger. & 1 no. Helper for attending any misc. Job for duration of 4 hours. |
| 170 | Deployment of below mentioned manpower as per requirement for the miscellaneous jobs which are not covered above:A gang of 1 no. Painter & 1 no. Helper for doing any misc. Painting job for duration of 4 hours |
| 171 | Fabrication & erection of Misc. steel structure |
| 172 | Removal/re-fixing of any dislocated / bulged skin casing up to 01 Sqr. Meter in boiler. |
