Tender For Arc Of Miscellaneous Mechanical Maintenance Jobs For The Year 2024-25. in India

Work Detail

Tender For Arc Of Miscellaneous Mechanical Maintenance Jobs For The Year 2024-25.; 1 Fabrication of all sizes of pipe lines, job includes marking/ cutting, edge preparation, shifting of material at work site for erection purposes, including all consumables like Electrodes, DA & Oxygen gas etc. 2 CARBON STEEL PIPING 3 Up to & including Sch.40 4 Above Sch. 40 up to &including Sch.80 5 Above Sch. 80 6 STAINLESS STEEL. PIPING 7 Up to & including Sch.40 8 Above Sch. 40 up to &including Sch.80 9 Above Sch. 80 10 ALLOY STEEL PIPING 11 Up to & including Sch.40 12 Above Sch. 40 up to &including Sch.80 13 Above Sch. 80 14 Fabrication of pipes (X-ray quality) of all sizes of pipe lines, root run should be TIG welding. Job includes marking/ cutting of edge preparation, shifting of material at work site for ejection purposes including all consumables like Electrodes, DA & Ox 15 CARBON STEEL PIPING 16 Up to & including Sch.40 17 Above Sch. 40 up to &including Sch.80 18 Above Sch. 80 19 STAINLESS STEEL. PIPING 20 Up to & including Sch.40 21 Above Sch. 40 up to &including Sch.80 22 Above Sch. 80 23 ALLOY STEEL PIPING 24 Up to & including Sch.40 25 Above Sch. 40 up to &including Sch.80 26 Above Sch. 80 27 Erection ofGI/CS/AS/SS pipe lines,including lifting, placing of pipes on the sleepers, racks at all elevations, levelling & aligning jointing of flanges/screwed fitting including fixing gaskets and bolting, opening and boxing up of flanges. 28 Up to Sch. 20 29 Above sch. 20 up to & including Sch.40 30 Above Sch. 40. 31 Straight, Gas/Electric Cutting of M.S. 32 Plate thickness up to 4 mm 33 Above 4 mm up to 6 mm 34 Above 6 mm up to 10 mm 35 Above 10 mm up to 14 mm 36 Above 14 mm up to 20 mm 37 Above 20 mm up to 24 mm 38 Above 24 mm up to 30 mm 39 Above 30 mm up to 50 mm 40 Straight cutting with Electric of S.S. Plate 41 Plate thickness up to 4 mm 42 Above 4 mm up to 6 mm 43 Above 6 mm up to 10 mm 44 Above 10 mm up to 14 mm 45 Above 14 mm up to 20 mm 46 Above 20 mm up to 24 mm 47 Above 24 mm up to 30 mm 48 Straight welding for repair of CS plate of pipe for making hoppers etc. including erection if required. 49 Plate thickness up to 4 mm 50 Above 4 mm up to 6 mm 51 Above 6 mm up to 10 mm 52 Above 10 mm up to 14 mm 53 Above 14 mm up to 20 mm 54 Above 20 mm up to 50 mm 55 Straight welding for repair of SS plate of pipe for making hoppers etc. including erection if required. 56 Plate thickness up to 4 mm 57 Above 4 mm up to 6 mm 58 Above 6 mm up to 10 mm 59 Above 10 mm up to 14 mm 60 Above 14 mm up to 20 mm 61 Fabrication of CS Pipebends up to Sch. 80 by sand filling and heating. 62 1/2" Bend 63 3/4" Bend 64 1" Bend 65 1-1/2" Bend 66 2" Bend 67 Fab of SS Pipebends up to Sch. 80 by sand filling and heating. 68 1/2" Bend 69 3/4" Bend 70 1" Bend 71 1-1/2" Bend 72 2" Bend 73 Opening end cover of heat exchangers at all elevations, removing the same and placing them on wooden pieces at near by places, re-erection them after inspection. End cover flange OD shall be taken as the diameter of the End cover. Job such as cleaning of 74 Above 18" dia up to 24" dia. 75 0-25 kg/cm2 76 Above 25-64 kg/cm2 77 Above 64-100 kg/cm2 78 Above 24" dia up to 36" dia 79 0-25 kg/cm2 80 Above 25-64 kg/cm2 81 Above 64-100 kg/cm2 82 Above 36" dia up to 60" dia 83 0-25 kg/cm2 84 Above 25-64 kg/cm2 85 Above 64-100 kg/cm2 86 Above 60" dia up to 108"dia 87 0-25 kg/cm2 88 Above 25-64 kg/cm2 89 Above 64-100 kg/cm2 90 Above108"dia 91 0-25 kg/cm2 92 Above 25-100 kg/cm2 93 Opening of end covers of surface Condensers at all elevations, removing and re-erection of the sameafter inspection. (One end cover of surface condensers consists of two halves and the job also includes opening and boxing up and centre line bolts of each 94 60" dia up to & including 80"dia. 95 Above 80"dia up to & including 100"dia 96 Above 100"dia up to & including 120"dia 97 Removal of heat exchangers tube bundle, from all elevations, after removing all obstructions if any, and placing it at nearest safe place and re-erection it after cleaning the gasket seatand boxing up with new gasket. Cranes shall be given by NFL free of cost. 98 Opening, making gap in the flanges, manholes of all sizesand boxing up of the samewith new gasket etc. 99 For up to 600 lbs rating 100 For above 600 lbs rating 101 Opening of all size flanges rating up to 2500 # filled with leak sealing material such as flanges of valves, Rota meter, Magnetic flow meter, Oval-Gear motor, Control Valves, Safety Valves, Steam Traps, Non-Return Valves at all elevations in plant 102 Opening and boxing up of bolts and nuts for different sizes (other than the flanges ofvessels etc.) but including top cover/bottom flanges made of 6~25mm plate of various tanks like KT,UT,lube oil consoles, ID Fan/FD Fans, Acid/Alkali dilution tanks, duct 103 Bolt size up to 12 mm 104 Bolt size above 12 mm up to & including 20 mm. 105 Bolt size above 20 mm up to & including 32 mm. 106 Bolt size above 32 mm up to & including 50 mm. 107 Fabrication & erection of steel structures & columns like stair cases, railing, machine foundations, conveyor structure, ladders, platforms, walkways, pipe supports & stiffeners etc. as per drawing & as per the direction of Engineer-in-Charge. 108 Fabrication & erection of chutes of conveyors, hoppers, spool pcs., connecting pcs. of R.C. feeder out let, vibro feeder pans, RC feeder inlet square piece duct or any such component out of plate of 5 to 25 mm thick plate as per drawing or sample as per th 109 MS / CS Plate 110 S.S. Plate 111 Dismantling of vessels/strainers Body/ equipments. This include flange opening, removal of strainer element, cutting, welding if any as per the instruction of Engineer-in-Charge 112 Erection of vessels/strainers Body/ equipments. This include boxing up of flange,strainer element, providing supports, cutting-welding if any as per the direction of Engineer-in-Charge. 113 Dismantling of old structures or part of vessels including as cutting etc. and shifting the scrap to scrap yard or at site or to the main Stores. 114 Erection of pre-fabricated structures & gratings, shifting it to site placing on the foundation, levelling & bolt tightening etc.Cutting & welding of prefabricated gratings as per the site requirement is also included. 115 Dismantling of all size of flanged valves, rotameters, magnetic flow meters oval-gear motors, control valves, safety valves, steam traps non return valves, at all elevation in plant on placing it at the nearest safe place. 116 Dismantling up to 600 lbs rating. 117 Dismantling above 600 lbs. rating. 118 Refixing of all size of flanged valves, safety valves, steam traps non return valves etc, at all elevation in plant with new gasket as per the instruction of Engineer-In- Charge. 119 Re-fixing up to 600 lbs. rating. 120 Re-fixing above 600 lbs. rating. 121 Shifting of equipment spares, equipment (new or old), grinding media, scrap etc. from all elevation in the plant to other point or vice-versa, as per the direction of Engineer-in-charge. Contractor has to make their own arrangement for shifting the material 122 From store to plant or back to store 123 From one plant to other plant 124 Within the plant from ground level to all elevation & vice versa. 125 From W/Shop, Stores, Plant to R.W.F. Plant/T/Ship and vice versa 126 From W/Shop, Stores, plant to Final treated pond pump houseand vice-versa. 127 Replacement of ID Fans Blower motor UGB-304 A~D at the top of prilling tower.The job involvesremoval of top skirt, fan, motor and fixing back the overhauled motorand also shifting of motor, fan, skirt etc from ground floor to top of Prilling Tower 128 Dismantling of pipe (CS,SS, AS etc.)including opening of bends, welded valves steam traps, flange, screwed joint cutting supports and cutting of pipes with gas or hacksaw in the following sizes in various thickness & shifting to scrap yard. 129 Fabrication of all types of CS flanges by gas cutting only. 130 Upto & including 13 mm thick 131 Above 13 mm thickness 132 Testing of Intercooler, oil cooler of IGB 101, 102, 104, AGB-601,AGC-601, BFW section AGA-701A & B , UGA-102 A/B. 133 Removal of Inter Cooler from position, opening of end covers, making arrangement for hydraulic testing, plugging of leaky tubes and installation there after. 134 Opening of end covers of cooler in situ, fixing blinds on all connecting lines, making arrangement for hydraulic testing, plugging of leaky tubes and fixing back end covers, removal of all blinds there after. 135 Replacement of site screen filter element A-301of aMDEA solution in ammonia plant, job involve opening and boxing up flanges and clamps and also removal and fixing of Polypropylene cloth and its shifting to site and store and gasket cutting. 136 Fixation of Sealant filling clamps on leaky flanges, pipelines etc at different elevation of Plant. This includes Cutting of cleats, welding of cleats on fabricated clamps, erection of scaffolding, fixing of clamp, tightening of cleat bolts etc 137 Piping upto 2"" NB 138 Piping above 2"" NB and upto 6"" NB 139 Piping above 6"" NB 140 Cooling Towers CT1, CT2 & CPP Cooling Towers. 141 Shifting of gear box from Store, Mech.W/Shop or plant area to top of Cooling Tower making of scaffolding and removal of blades anlogwith hub, oil lines, drive shaft assy for replacement of gear box. Alignment motor to drive shaft and drive shaft to gear box 142 Replacement of Oil Seal of Cooling Tower Gear Box in Situ. 143 Opening of cell cover, making of scaffolding and dismantling and removal of drive shaft , removal of gear box coupling, opening of seal cover and replacement of seal with new one. Checking / correction of alignment motor to drive shaft and drive shaft to gearbox. 144 Placement of chlorine gas cylinder on the chlorinator stand with chain block and removal of empty cylinders at CT1 &CT2 area / CPP area. 145 Shfting and Replacement of Drinking water / Horticulture pump/ Self Priming pumpSP-4L/ 3L with overhauled one in CISF colony. Its all gaskets are to be replaced with new one. Pump alignment is to be carried out up to the satisfaction of Engineer-in charge. NFL shall provide overhauled/ new pump and gasket material 146 Replacement of pump and motor 147 Replacement of pump only 148 Shifting and replacement in Final pond area pump / RWFP. NFL will provide overhauled pump / valves and consumable material like gasket, gland packings nuts and bolts , shims etc free of cost. 149 Replacement and alignment of Johnston Turbine pump-MGA-323. Motor rating 110 KW, suspended length about 5 Meter. 150 Replacement and alignment of SAM pump "Vertical" Motor = 30 KW, suspended length 3.2 Meter 151 Replacement and alignment of SU pump Vertical, Motor rating 11 KW, suspended length2 Meter. 152 Shifting and replacement of Filter Bed Valves and return of old valve to plant workshop 153 Shifting and replacement of Filter Bed Air Line Valves / Clarifier Drain valve and return of old valve to plant workshop 154 Shifting of Gear Boxes / Air Blower / Sludge Pump to Raw Water Filtration plant or vice versa 155 Removal of dewatering pumps of ETP section, DM section from position & Shiftingto O&U (Mech.) workshop 156 Shifting of repaired dewatering pumps of ETP section, DM section from O&U (Mech.) workshop to position& fitment to be done 157 Removal, Fabrication and refixing ofAgitator: Job includes lifting of agitator from pit,shift to fabrication yard,fabricat (cutting & welding) as per instruction of engineer incharge, shift to postion from fabrication yard and refix the position. 158 Internal fittings of Anion (DA) vessel: Job includes Removal and refixing of installed bottom and middle collectors with laterals and nozzles. Removal/Refixing of top ditributors with strainers. 159 Internal fittings of Cation (ZK) vessel: Job includes Removal and refixing of installed bottom and middle collectors with laterals and nozzles . Removal/Refixing of top ditributors with strainers. 160 Internal fittings of Mix Bed (MB) vessel: Job includes Removal /refixing of middle plate nozzles and top distributors with strainers 161 Internal fittings of Activated carbon filter: job includes Removal and refixing of complete set of PP nozzles/jet heads/srainers inside the Activated carbon filter 162 Joints of PVC/UPVC/CPVC/HDPE/PP/PE pipe: Job includes jointing of the pipe of various sizes using applicable jointing solution/sealant 163 Erection of PVC/UPVC/CPVC/HDPE/PP/PE pipe: Job include shifting the pipe from store to work site, including lifting, placing of pipes on the sleepers, racks at all elevations, levelling, & aligning of flanges/screwed fitting including fixing gaskets and bolting boxing up of flanges 164 Foam replacement in filter frame of Dust Chamber on Prilling Tower, job includes opening of old filter, removal of its damaged/ used foam, repair of frames if any, fixing of new foam and fixing of these frames on position. 165 CFD Bed wire mesh replacement after tightening with screws on pad plates including drilling/ welding on C.S./ S.S. plates where ever required. 166 Stitching of CFD wire mesh on perforated plates with GI wire. Wire mesh and GI wire shall be provided by NFL free of cost. 167 Replacement of rubber belt skirts. Job includes opening of clamp to remove the old/ damaged skirt and cutting of new skirt out of belt of approx. 4 Mtr. long and 0.75M wide punched holes 16mm dia X 10 Nos. and fixing up back as per thedirected by Site Engg. 168 Replacement/repair of special support beam of size 300x200x20mm below perforated plate of CFD. Job includes cutting, welding of C.S./S.S. plates and lifting of perforated plates. 169 Strengthening of CFD support beam by inter connecting with flats, channel with welding etc. 170 Opening of spray nozzles of towers, vessels and other area such as Pump house in Urea plant etc. Boxing up of the same after cleaning at all elevations. 171 Screw type nozzles of size upto 1". 172 Flange type nozzles of sizes upto 3". 173 Removal of air cooler of Kobe Compressor& then refixing after maintenance. 174 Erection and dismantling of scaffolding for various heights inside/ outside boiler furnace steam/ start up heater or any other vessel including pipe racks etc. whichincludes safe approach by ladder and intermediate stay to carry out the work. 175 Below 10 Meter height 176 Above 10 M and below 25 M 177 Above 25 M height 178 Inside of Cooling Tower cell for repair and replacement of gear boxes with wooden planks.NFL shall provide wooden plank for the same. Approx. area of one nois 12 Sq. M 179 Erection of scaffolding inside the boiler from ground floor to superheater height to repair the superheater tubes. Scaffolding material shall be provided by NFL free of cost. 180 Fabrication of Gratings of required size out of MS flat as per drawing or according to the direction of Engineer-In-charge. NFL shall provide MS flat free of cost. However all other consumable like welding electrodes etc are in the scope of contractor. 181 Cleaning of equipment such as pumps, compressors, Blowers, Centrifuges, Heat Exchangers internals, Bowl mills , Crushers & ID, FD Fans during overhauling/ maintenance. 182 Opening & boxing up of granulator at PT for cleaning with proper safety precautions and as per the instruction of Engineer-in-charge. 183 Shifting of oil filed Drum to Pump House / Compressor House / Centrifuge floor at all floors. 184 Pulling of Urea lump CFD job involves pulling urea lump from CFD while plant is running, putting rope / slings around the lump & pulling it toward side with chain block taking all precaution & wearing protective clothing as hot molten urea may cause burn 185 Opening, removing & fixing back of HT motors in Urea Plant (GB 302, & 303)etc. at various locations. It includes decoupling, lifting & taking out from position, shifting to workshop, if necessary. Fixing back in position, doing alignment to the recommendation of Eng.. Incharge 186 Without removing coupling. 187 Removing / replacement one or both coupling a. Crane, Trolley etc. required from the job will be provided by NFL free of cost. 188 Replacement of Ammonia Feed Pump gearbox with coupling. Job includesbolts removal of old gear box and removal of coupling halves. Fixing these halves on repaired / new gear box. Placement of gear box on position. Alignment of driver an driven side 189 Replacement of motor (Mechanical part) of Worthington pump MGA 311 ABC at pond No.1 including Shifting from store to site back. 190 Sleeve replacement of Worthington turbine pump MGA - 311,after removing motor,gland repacking and fixing the motor back. 191 Clamping on leaky steam water / alkali / Air /amdea/nitrogen/process gas/solution/ Dilute acid lines at max. pipe rack elevation ground level after fabrication. 192 Piping1/2" NB-4"NB 193 Piping 6" NB-8"NB 194 8"NB-16"NB 195 Clampingof CT1CT2, CT3& CT of CPP distribution valve 16" NB bottom rectangular discharge end with 20mm plate & 4 nos bolts (Approx. plate width= 18"X24"(max) with M 20 plates on running header. 196 Scaffolding prepration on the fan floor of cooling tower which includes “ Opening of hood entrance door by openingits Nuts/bolts, laying of wooden planks under the fan areafor inspection of gear box and removal of wooden planks after completion of job and closing the hood entrance door by fixing nuts & bolts”at CT-1,2 & 3 Fans. 197 Removal, repair by welding & refixing of CT1 & CT2 and CPP- CT channel strainer. 198 Gland packing of pumps/valves in DM plant, Final Pond, ETP,. FP area, RWFP: Urea plant etc. 199 Replacement of sludge pumps at RWFP including shiftingfrom store & back, alignment of pump with motor belt driven & air scoring blower at RWFP. 200 Replacement of Final disposal pond No. 3 pump house-C, including aligning after shifting from workshop/store /back. 201 Replacement of sludge/chemi pumps/Trickling pump in pump house including shifting from store/workshop/back (ETP/DP Plant) Alignment of pumps of max. Cap 250 M3/hr. with L.T. Motor. 202 CT1, CT2,pumps IGB 101, 102 and Fire pumps H.T.Motor replacement after opening of bolts, coupling bolts, after shifting from store/workshop/to the plant and shifting of old motor to workshop/store etc. after complete alignment and trial of equipment . 203 Opening ,Removing & fixing back of HT motors in Urea Plant (GA 101) etc. at various locations.It includes decoupling, lifting & taking out from position, shifting to workshop, if necessary.Fixing back in position, doing alignment to the satisfaction 204 Without removing coupling . 205 Removing/replacing 1 or both coupling and replacement of oil seal of gear box if reqd. Crane, trolley etc. required from the job will be provided by NFL free of cost. 206 Replacement of gear box of dozer with new / repaired gear box including dismantling and assembly of oil lines, seat, battery, break & clutch paddle and its levers and other allied job, if any. 207 Replacement of Engine of dozers with new / repaired engine including dismantling and assembly of oil lines, clutch assembly, UJ- cross, paddle & lever assy, booster, centre arms and tilting jack and oil lines, radiator fan, radiator and its hoses and other accessories 208 Removal of existing shoe plate of dozer including removal bolts of track chain and installation of new shoe plate and tightening of the same with track chain 209 Track Chain Link Pin replacement including removal of existing pin, installation of new pin and welding of the same of dozer 210 Replacement of complete cutting blade assembly of Dozer D80: Job includes dismantalling of blade assembly, Hydraulic jacks & other attachments and installation of spare blade assembly along with all 211 Replacement of SAN Locomotive 717 radiator assembly: Job includes dismantalling of radiator connection and installation of spare radiator assembly along with its all connections and other accessories 212 Servicing of Crane and other Heavy Earth moving equipments. Job includes replacement of all filters of air,L.O,dieseland hydraulic oil system including replacement of Lubricating/ hydraulicOil. Greasing of all greasing points adjustment/ replacement 213 Servicing of dozer D80- A 12 214 Servicing of P&H 75 Te crane 215 Service of escorts hydra cranes 8 Te cap, 216 Service of escorts hydra cranes 3 Te cap, 217 Servicing of potable Air compressor engine 218 Servicing of potable Diesel Welding sets 219 Servicing of locomotive engine WDS-4model. 220 Servicing of JCB make payloader 430 ZX and430 ZX plus 221 Servicing of TATA-HITACHI make Pocklain EX 200 LC 222 Servicing of JCB make Backhoe Loader L&T Case 770 223 Servicing of Cummins make DG setHospital 224 Servicing of kato crane. Job includes Any ofAir Filter /Fuel Filter/ Lube oil/ Transmission / Magnetic/Air cleaner etc. has to replace along with Making up fresh engine oil by drainingengine oil. 225 Servicing of Cummins Make DG Set GTG-HRSG. Job includes Any ofAir Filter /Fuel Filter/ Lube oil/ Transmission / Magnetic/Air cleaner etc. has to replace along with Making up fresh engine oil by drainingengine oil. 226 Servicing of Daithsu Make DG Set O&U. Job includes Any ofAir Filter /Fuel Filter/ Lube oil/ Transmission / Magnetic/Air cleaner etc. has to replace along with Making up fresh engine oil by drainingengine oil. 227 Servicing of Mitsubishi Make DG Set Ammonia. Job includes Any ofAir Filter /Fuel Filter/ Lube oil/ Transmission / Magnetic/Air cleaner etc. has to replace along with Making up fresh engine oil by drainingengine oil. 228 Servicing of 14 te hydra. Job includes Any ofAir Filter /Fuel Filter/ Lube oil/ Transmission / Magnetic/Air cleaner etc. has to replace along with Making up fresh engine oil by drainingengine oil. 229 Replacement of compelete track chain assembly of Dozer / Pocklain /75 te Crane. Job includes removal and installation of track chain assembly including fabrication job (cutting & welding of master pin)as per instruction of engineer incharge, shifting the track chain assembly from main store to Work area & also shifted back removed parts/chain assembly to the location as per instruction of engineer incharge 230 SAN 717 brake shoe replacement job. Job includes The installed brake shoes is to be removed and new one is to provided alongwith brake adjustment. 231 Battery replacement of Heavy Earth Moving Epuiments, Emergency DG Sets. Job includes The installed battery/batteries is/are to be removed and new/charged battery/batteries is/are to provided alongwith electrical connection. 232 Replacement of complete tyres [One pair= 2 tyres] of Payloader/Backhoe Loader/ Tractor/Kato Crane/Hydra14 Te/Hydra 10 Te. Job includes The installed tyre/Tyres is/are to be removed and new/repaierdis to fixed on position. 233 Cleaning of radiator of dozer, Job includesremoval of radiator and its fan, cleaning of fins from outside and assembly of the same. If required center arm is also to be removed to take out the radiator. 234 Cleaning of air filterof dozers, Job includes removal of of filter elements and cleaning of the same with air and boxing up back. 235 Extension & Reduction ofboom of 75 Te mobile crane. Job includes shifting of of extension piece to site. Removal of hook, pins stay wires etc after lowering the boom and fixing/ removal of the extension piece and fixing the same. Extension & reduction 236 Removal & Fixing of Jib of 120 Ton Kato Crane and fixing it back at its position 237 OVERHAULING OF BOWL MILL COMPLETE. This includes overhauling of all sub-assemblies individually i.e. jack bolts, spring assy. journal assy., Trunion bushes, Vertical shaft & Pan hub, Gear Hub, Upper Bearing Housing holding body, repair/replacement of big cone, fabrication and replacement of inverted cone,worm shaft assy., Lube oil cleaning, Taper matching of vertical shaft, alignment of worm shaft and box-up of coupling 238 Replacement/Repair of Classifier vanes of Bowl Mill: Opening of man hole cover, removal of damage vane, fixing of new vane at a required position and same locked by tack welding. 239 Repair of upper half of mill without Replacement of vertical shaft. This includes replacement of upper bearing , bearing seals,deflactor etc. and replacement of bull ring segments, clamping plates repair, extension rings repair / replacement 240 Replacement of oil pump and lower bearings of BOWL MILL including removal of bottom cover, pulling out of old hub and bush of pump, installing new hub and bush etc. 241 Cleaning of Lube Oil cooler including removal and re-fixing in Mill. 242 Removal of Worm Shaft assembly, dismantling of worm shaft assy and assembling with new/ old bearing and bearing housings. Adjustment of its clearance up to th required level & fixing the assembly back on position and blue matching with worm wheel. Alignment 243 Removal of Worm Shaft assembly & fixing back new/ overhauled assembly and blue matching with worm wheel. Alignment up to the desired level 244 Driven & non drive ends side gland packing of worm shaft assy . 245 Replacement of Complete Coupling replacement of Mill to Motor or Mill to Exhauster side and alignment after that up to the desired level. 246 Replacement of One half Coupling replacement of Mill to Motor or Mill to Exhauster side and alignment after that up to the desired level. 247 Replacement of complete set of 8 nos coupling bolts of mill / motor and mill / exhauster coupling. 248 Replacement of one coupling bolts of mill / motor and mill / exhauster coupling. 249 Replacement of complete Skirt assembly 3 parts with scraper of Bowl mill. Job includes dismantling of old skirt with scraper assembly and fixing the new/ repaired Skirt assembly with scraper. 250 Replacement of 1/3 Skirt of Bearing/Seal housing. Job includes dismantling of damaged part of the skirt assembly and fixing the new/ repaired part Skirt assembly with scraper. 251 Replacement of Scrapper of Bowl mill. Job includes removal of old scrapper and fixing back the new/ repaired scrapper 252 Inspection of scrapping of Bowl Mill. Job includes opening of inspection cover, Repair/replacement of scraper and tightening of bolts of scraper as well as skirt assembly. Boxing up the inspection cover back. 253 Replacement of Bull Ring Segments, job includes removal of all the grind roll assy and centre disc. Removal of old bull ring segments and fixing back the new segments, centre disc, repair of extension rings if required, fixing of grind roll assy and its adjustment 254 Replacement of Grind Roll, job includes removal of old grind roll assembly, removal of its old/ worn out grind roll and fixing up of the new grind roll. Fixing up of the assembly in position after cleaning of its vanes/internals and repair of both extension ring etc. 255 Adjustment of Grind Roll gap with bowl with the adjustment of spring assy etc and cleaning of internals. 256 Overhauling of spring assy. Job includes dismantling of spring assembly, cleaning and inspection of its parts. Boxing up the assembly with old/ new parts. 257 Overhauling of journal assy. Job includes opening of the journal assembly, cleaning of all its parts and boxing up with new or old spares including adjustment of axial clearance as per the requirement.. 258 Cleaning of grind roll assy. Job includes opening of grind roll assembly from the Bowl mill, dismantling of lower housing, cleaning of shaft and bearings, boxing up the lower housing, adjustment of axial play and fixing up the grind roll assembly back in position. 259 Replacement with new convertor head along with its centre pipe and replacement/repair of small inverted cone. Job includes removal of damaged convertor head after opening of its couplings and fixing back the new/ repaired convertor head. Fabricated/ repaired head will be provided by NFL 260 Fabrication and replacement of converter head, Job includes removal of damaged converter head after opening of its couplings, fabrication of new converter head as per drawing or site requirementand fixing back the new/ repaired converter head. Material 261 Alignment between Motor and Mill with Dial Gauge up to recommended level and as per the instruction of Engineer-in-charge. 262 Alignment between Mill and Exhauster with Dial Gauge up to recommended level and as per the instruction of Engineer-in-charge. 263 Taper matching of bowl hub with the shaft up to the recommended level and as per the instruction of Engineer-in-charge. 264 Taper matching of gear hub with the shaft up to the recommended level and as per the instruction of Engineer-in-charge. 265 Fabrication and replacement of vertical extension ring of Bowl mill. Job includes removal of grind roll assembly for proper approach to repair the extension ring, fixing of extension ring by cutting and welding as per the site requirement or instruction of Engineer. 266 Fabrication and replacement of Horizontal extension ring of Bowl mill. Job includes removal of grin roll assembly for proper approach to repair the extension ring, fixing of extension ring by cutting and welding as per the site requirement or instruction of Engineer 267 Rotation of distributer out let P.F. Pipes 300 dia to 180 0 after opening the coupling. 268 Picking of Stones / Metallic Pieces from Bowl Mill after opening the mill inspection covers. 269 Replacement of Exhauster Bearing Housing. The Job includes removal of the suction elbow , removal of end cover, whizzer wheel & exhauster blades, removal of the spider with hydraulic jack or by gas cutting, decoupling of the mill and the exhauster, Alignment and box-up of coupling, Dynamic balancing of Exhauster. 270 Replacement of the Spider. Job includes removal of the suction elbow, removal of the end cover, removal of the whizzer wheel, exhauster blades, spider by hydraulic jack or gas cutting, repair of spider, if required, fixing the new/ repaired spider in position. 271 Replacement of exhauster blade and whizzer angles. Job includes decoupling of the mill and exhauster, removal of the manhole removal of the old blades and whizzer wheel and whizzer angles, repair of spider, fixing new blades and cover of exhauster, angles in position, static & dynamic balancing of Exhauster. 272 Replacement job incudes, dismantling of suction elbow, removal of end cover replacement of worn out liners with new liners, replacement/ repair of the hub (suction eye), replacement of throat liner & boxing up of the exhauster. 273 Replacement of End cover Liners of Exhauster during overhauling, Job includes, open& Box-up ofsuction elbow and end cover 274 Repair jobs including dismantling of suction elbow, removal of end cover, repair of worn out liner by weld deposit or patch welding/ hard facing replacement/ repair of hub (suction eye) 275 Replacement of Circumferential Periphery liner. Opening of the top cover, opening of the manhole cover, dismantling of top liners, above door liner below door liner, throat liner (14Nos.) repair/ replacement of above mentioned liners and boxing back. 276 Per set of 14 liners, along with repair of liner’s upper casting 277 Per liner (Total payable amount shall be restricted to the quoted cost per Set) 278 Replacement of side Periphery Liner. Job includes removal of the suction elbow, removal of the end cover, removal of the worn out liners, replacement/ repair of liner & boxing up the exhauster. 279 for complete set of liners (consisting of 14 pcs.) 280 for per liner (Total payable amount shall be restricted to the quoted cost per Set) 281 Repair of side Periphery Liner. Job includes removal of the worn out liners & boxing up the liner after necessary repair by Welding & hard facing of both sides of exhauster end cover (electrodes shall be supplied by NFL free of cost). 282 Replacement of Suction Elbow. Job includes removal of the old suction elbow, opening the Victaulic coupling, fixing the new elbow and box up. 283 Repair of Suction Elbow. Job includes removal of the suction elbow, opening the Victaulic joint, repair of the worn out portion by hard facing electrodes, fixing back in position and boxing up. Hard facing electrodes to be supplied by NFL, free of cost 284 Dynamic Balancing of the Exhauster. Job includes opening of manhole cover of exhauster, dynamic balancing with the help of vibration measuring instrument, boxing up manhole cover, (vibration measurement and instruction for welding of weights will be given by Engineer 285 Replacement of ED Valve. Job includes replacement of exhauster neck, removal of ED valve Assy. and fixing the new assy. back in position. 286 Replacement of Refill Distributor (Big) along with 1 set of elements. Job includes removal of flange joint, removal of old distributor (1 No.), fixing the new distributor in position with necessary rigging, fixing up the new distributor in position and boxing-up of the flange & victualic couplings. Any cutting and welding or erection scaffolding required for execution of the job shall in contractor"s scope. 287 Replacement of Refill Distributor (Small) along with 1 set of elements. Job includes removal of flange joint, removal of old distributor (1 No.), fixing the new distributor in position with necessary rigging, fixing up the new distributor in position and boxing-up of the flange & victualic couplings. Any cutting and welding or erection scaffolding required for execution of the job shall in contractor"s scope. 288 Replacement of Refill Distributor Elements (Big). Job includes opening of the inspection cover removal of the old element(2 Nos.) refixing the new elements in position and boxing back. 289 Per distributor Assy.(set of 2 nos.) 290 Per Element (Total payable amount shall be restricted to the quoted cost per Set) 291 Replacement of Refill Distributor Elements (Small). Job includes opening of the inspection cover, removal of the old elements (4 Nos.) re-fixing the new element in position & boxing back. 292 Per distributor assy. (set of 4 nos.) 293 Per Element (Total payable amount shall be restricted to the quoted cost per Set) 294 Replacement ofPulverised Fuel (PF) Liners (Straight Line). Job includes removal of the worn out pieces of the PF line by gas cutting, fabrication erection of the new pipe pieces including marking edge preparation, welding of stub ends, transportation etc 295 Replacement ofPulverised Fuel (PF) Elbow of all angles. Job includes removal of the old bends/ elbow by gas cutting, fabrication and erection of the new elbow including makingelbow from pipe marking, cutting edge 296 Replacement of CI/CS/Ceramic lined/ basalt bends of all degrees. Job includes removal of the old bends, erection of new bend and boxing back. 297 R.C. Feeder flapper repair job includes removal of flappers and fixing back after repair. 298 Replacement of RC Feeder Chain / Clinker Grinder Chain. 299 Replacement of RC Feeder PIV Gearbox. 300 Adjustment of speed variation of PIV Gear box of RC Feeder 301 Replacement of Eddy Current coupling gear box of RC Feeder. 302 Replacement of RC Feeder clutch. 303 Replacement of Feed Roll Spider assembly complete. 304 Replacement of Feed Roll blades set. (one set of Eight Nos.). 305 Replacement of hinge gate assembly of R.C. Feeder. 306 Repair/replacement of damaged portion of the Coal Burner Housing, Receiver and Inner piece of CPP Boiler after removing Tee, Oil gun housing , Spider etc and boxing up the same after repair. 307 Gas cutting of Boiler surface/ skin casing repair of MS sheet up to 6.0 mm thk. at all elevation. 308 Welding of Boiler surface/ skin casing repair of MS sheet up to 6.0 mm thk. at all elevation.. 309 Identification and repair/ plugging of Bank tubes of SGP/ CPP boiler having OD 50mm. Job includes identification of leaky tube, opening of manhole covers Steam drum & Mud drum, fixing of plug on both end of the tube and its seal welding or Expansion of tube and seal welding and boxing up 310 Replacement of leaky tube piece of super heater of varying lengths and44.5 to 63.5mm O.D with X-ray quality welding of SGP & CPP. Consumable like electrodes etc shall be in the scope of contractor, however excluding scaffolding. 311 Replacement of leaky water wall tube piece of varying lengths and63.5 to 76.2mm O.D with X-ray quality welding of SGP & CPP. Consumable like electrodes etc shall be in the scope of contractor, however excluding scaffolding. 312 Replacement of Radial/Circumferential Sealing Strips of APH of Boiler No.1,2,&3: Opening of man hole cover of APH Hot and Cold side, erection of scafolding at Cold end side, removal of damage sealing strips from both side, fixing of new sealing strips, repair of its frame by welding & tightening of its bolts, boxed up of manhole cover. 313 Replacement of leaky Economizer tube piece of varying lengths and63.5mm O.D with X-ray quality welding of SGP & CPP. Consumable like electrodes etc and scaffolding, wherever required shall be in the scope of contractor. 314 Replacement of sacrificial bends of Super heater/ Economiser. Job includes removal of old bends by cutting and fixing of new bends by welding. Bend shall be provided by NFL free of cost. Opening and box-up of manhole covers andMinor repair/rectification if required shall be carried by contractor. 315 Sacrificial pipe/Cover of pipe Job includes removal of old pipe by cutting and fixing of new pipe by welding. Bend shall be provided by NFL free of cost. Minor adjustment if required shall be carried by contractor. 316 Cleat Repair of water wall tubes/super-heater/economiser by cutting welding. Consumable like electrodes etc shall be in the scope of contractor, however excluding scaffolding. 317 Repair of water wall, super-heister andeconomiser tubes by overlay welding. 318 Buffing of cleats, welding portion for D.P. Testing up to the satisfaction of Engineer-in-charge. 319 Opening of manhole covers of SGP/CPP Boilers Drum for inspection and and boxing up of the same and to make it leake proof afterward. 320 Opening of manhole covers of ESP/ Ash hoppers in SGP/CPP Boilers for inspection and and boxing up of the same and to make it leak proof afterward. 321 Opening of manhole covers of ID/ FD Fan in SGP Boilers for inspection and and boxing up of the same and to make it leak proof afterward. 322 ID/FD Fan rotor assembly replacement.Job includes removal of casing top half by gas cutting/ bolts removal, cutting of suction ring as required. Decoupling the Fan to motor and removal of rotor assembly with proper lifting tools. Installling the spare bearing block after installtion of spare impeller on the it as per requirement. Installing the suction ring and top casing with required clerance. Levelling of installed rotor assembly and alignment ofFan to motor after installation of its coupling hub. Box up of coupling bolts and guard. 323 ID Fan IGV complete assembly replacement.Removal of installed IGV assembly with proper lifting arrangement in position. Bolts to removed or cut if required. Cleaning of flange faces and installation of new IGV assembly. Adjustment/modification of the operatinig lever as per the installed power cylinder if required. 324 Repairof coal nozzle tip of SGP Boilers.Job includes replacement of eroded plates of coal nozzle tip, hard facing as required, repair by welding. Welding rods (SS308) & cutting rods and other consumable except hardfacing electrodes shall be in contractor"s scope. Plate for repair shall be provided by NFL. 325 Replacement of Coal Nozzles. Job includes dismantling of the old worn out coal burner, nozzles Assy, tilting cover erection of the new assy. in position & boxing up back with new and serviceable bends and coal pipes. This includes assy.of coal nozzles. 326 Replacement of air Nozzles.Removal of the old worn outair nozzleassy. from the boiler tilting corner, and erection of the new Assy. in position and box up back so as to operate from the tilting mechanism. 327 Repair of the furnace corner. Job includes repair/replacement of nozzle gas gun housing assemblies, air nozzles, replacement of tilting corner levers, repair/ rectification of nozzles compartment fully. 328 Hydro test of Boiler jobs including gagging/plugging ; of all S/V (3 Nos),opening of all manhole covers of boiler, verifying the leakage of water wall, Bank tubes, economiser & super-heater tubes & degagging S/V and boxing up the manhole covers. 329 Replacement of Hot Elements of 42" height type A. All necessary arrangements for removal of old elements, shifting of elements from ground floor to APH floor by winch machine, repair of grill and box as per requirement. Installation of new element in position and proper locking of the same. 330 Replacement of Hot Elements of 42" height type B. All necessary arrangements for removal of old elements, shifting of elements from ground floor to APH floor by winch machine, repair of grill and box as per requirement. Installation of new element in position and proper locking of the same. 331 Replacement of Hot Elements of 42" height type C. All necessary arrangements for removal of old elements, shifting of elements from ground floor to APH floor by winch machine, repair of grill and box as per requirement. Installation of new element in position and proper locking of the same. 332 Repair of Inlet Duct 333 Replacement of Hot Elements of 12" height type A (sacrificial). All necessary arrangements for removal of old elements, shifting of elements from ground floor to APH floor by winch machine, repair of grill and box as per requirement. Installation of new element in position and proper locking of the same. 334 Replacement of Hot Elements of 12" height type B (sacrificial). All necessary arrangements for removal of old elements, shifting of elements from ground floor to APH floor by winch machine, repair of grill and box as per requirement. Installation of new element in position and proper locking of the same. 335 Replacement of Hot Elements of 12" height type C (sacrificial). All necessary arrangements for removal of old elements, shifting of elements from ground floor to APH floor by winch machine, repair of grill and box as per requirement. Installation of new element in position and proper locking of the same. 336 Replacement of complete set of Hot End Elements 42" height and 12" height A,B & C type. All necessary arrangements for removal of old elements, shifting of elements from ground floor to APH floor by winch machine, repair of grill and box as per requirement. Installation of new element in position and proper locking of the same. 337 Repair of Grill and cold element box of Air Preheater 338 Removal of struck upWall deslagger soot blowers (small soot blower) from position and fixing it back after making it free to move. Job involves removal of rack, replacement of swivel tube of any parts which cause jamming, witnessing the total run 339 Removal of struck upLong retraceable soot Blower from position and fixing it back after making it free to move. Job involves removal of rack, replacement of swivel tube of any parts which cause jamming, witnessing the total run and rectification if any. 340 Complete overhauling ofWall deslagger (small soot blower), job involves removal of all parts/ assemblies, cleaning of all the parts & boxing with reconditioned/ new parts as per directions of site Incharge. 341 complete overhauling ofLong retraceable soot Blower, job involves removal of all parts/ assemblies, cleaning of all the parts & boxing with reconditioned/ new parts as per directions of site Incharge. 342 ID/FD Fan damper replacement / repair for free movement of vanes. Job includes dismantling of all the vanes, cleaning of the vanes and boxing up and final inspection to ensure the free movement of the vanes. 343 Replacement of CT Pump with Motor. Job includes removal of Motor, removal of pump after opening of all connecting lining. Placement of overhauled/ new pump, connecting of lines and fixing of Motor. Any other allied job, if required, shall be in the scope 344 Replacement of dewatering pump of CPP cooling tower drain pit. Job involves opening of discharge pipe bend, removing of motor & pump assy. from position & fixing back the new/ overhauled pump assy. motor, boxing up coupling with new or old spider . 345 Repair of in side system ESPs after making scaffolding where ever required. Cutting and welding , if required, shall be in the scope of contractor 346 Dismantling/removal of the collecting plates/ Gas Distribution plates of ESP 347 Erection of new/repaired collecting plates/ Gas Distribution plates of ESP 348 Dismantling & removal of Emitting Electrode 349 Installation of Emitting Electrode 350 Replacement of rapping hammer outer Arm. 351 Repair & Replacement of Drive Shaft 352 Inspection/ Replacement of Plain Bearing of Ropping Drive Shaft 353 Repair/Replacement of Guide rods (Tie rod) 354 Repair Replacement of shock bar 355 Replacement of Shock Bar 356 Replacement of Screw Scrapper of Insulator of Rapping Drive for Emitting electrode 357 Repair & Replacement of Rapping drive Assy 358 Opening & Boxing up of Fluidising Pads(Porous Tiles) of Fly Ash Hopper 359 Opening & Boxing-Up of B-B sleeve Coupling Size150 mm dia 360 Opening & Boxing-Up of B-B sleeve Coupling Size175 mm dia 361 Opening & Boxing-Up of B-B sleeve Coupling Size 200 mm dia 362 Opening & Boxing-Up of B-B sleeve Coupling Size 300 mm dia 363 Opening & Boxing-Up of B-C Adopter Sleeve Coupling Size 150 mm dia 364 Opening & Boxing-Up of B-C Adopter Sleeve Coupling Size175 mm dia 365 Opening & Boxing-Up of B-C Adopter Sleeve Coupling Size200 mm dia 366 Opening & Boxing-Up of B-C Adopter Coupling of Size175 mm dia 367 Opening & Boxing-Up of B-C Adopter Sleeve Coupling of Size200 mm dia 368 Opening & Boxing-Up of B-C Adopter Sleeve Coupling of Size300X200 mm dia 369 Rotation of CI Fly Ash pipeline(max length 5 m) Size150 mm dia 370 Rotation of CI Fly Ash pipeline(max length 5 m) Size175 mm dia 371 Rotation of CI Fly Ash pipeline(max length 5 m) Size200mm dia 372 Rotation of CI Ash Slurry pipeline Size200mm dia 373 Replacement of CI Fly Ash pipeline(max length 5 m) Size150 mm dia 374 Replacement of CI Fly Ash pipeline(max length 5 m) Size175 mm dia 375 Replacement of CI Fly Ash pipeline(max length 5 m) Size200 mm dia 376 Replacement of CI Fly Ash pipeline(max length 5 m) Size300 mm dia 377 Replacement of CI Reducer size175X150 mm dia 378 Replacement of CI Reducer size 200X175 mm dia 379 Replacement of CI Reducer size 300X200 mm dia 380 Replacement of C.I. Elbow long radius, size 150 mm dia 900. 381 Replacement of C.I. Elbow long radius, size 175 mm dia 450. 382 Replacement of C.I. Elbow long radius, size 175 mm dia 900. 383 Replacement of C.I. Elbow long radius, size 200 mm dia 450. 384 Replacement of C.I. Elbow long radius, size 200 mm dia 900. 385 Replacement of C.I. Elbow Flanged long radius, size 200 mm dia 450. 386 Replacement of C.I. Elbow Flanged long radius, size 200 mm dia 900. 387 Replacement of C.I. Elbow of Vacuum Breaker, size 200 mm dia 900. 388 Replacement of inlet/outlet Elbow of Air Separator Tank size 200 mm dia 900. 389 Replacement of C.I. Elbow long radius size 300 mm dia 300. 390 Replacement of C.I. Elbow long radius size 300 mm dia 450. 391 Replacement of C.I. Elbow long radius size 300 mm dia 900. 392 Replacement of C.I. Lateral size 175 mm dia 450. 393 Replacement of C.I. Lateral size 300 mm dia 450. 394 Replacement of C.I. Lateral size 200 mm dia 450. 395 Replacement of C.I. Lateral size 200x200x300 mm dia 450. 396 Replacement of C.I. Lateral size 200x300x300 mm dia. 397 Replacement of C.I. Equal Tee size 175 mm dia. 398 Replacement of C.I. Equal Tee size 200 mm dia. 399 Replacement of Expansion joint size 200 mm dia. 400 Replacement/Repair of Air Intake valve size 150 mm dia. 401 Replacement/Repair of Hand operated knife edge gate isolation valve of fly ash hopper size 300 mm dia. 402 Repair and replacement of Ash Extraction valve (Ash Intake valve) size 150 mm . 403 Repair and replacement of Ash Extraction valve (Ash Intake valve) size 175 mm. 404 Replacement of Valve body along with disc of Ash Extraction valve size 150 mm. 405 Replacement of Valve body along with disc of Ash Extraction valve size 175 mm. 406 Replacement of Intake piece of Ash Extraction valve size 150 mm dia. 407 Replacement of Intake piece of Ash Extraction valve size 175 mm dia. 408 Replacement of Fly Ash Isolation valve (Header valve) size 150 mm dia. 409 Replacement of Fly Ash Isolation valve (Header valve) size 175 mm dia. 410 Repair and replacement of totally enclosed rotary slide gate valve size 200 mm dia in Fly Ash line which includes removal of valve boxing up ofvalve afterrepair. 411 Repair/replacement of vacuum breaker assembly size 150 mm dia. 412 Replacement of Exhauster hydro vector assembly size 200mm dia (approx wt 400 Kg) 413 Replacement of CI water manifold (Throat) for exhauster hydro vector size 200 mm dia 414 Replacement of CI Combining tube (tail piece) for exhauster hydro vector200mm dia 415 Replacement of Segment of air separator tank SGP ( approx. wt. 175 Kg.) 416 Replacement of Segment of air separator tank CPP ( approx. wt. 125 Kg.) 417 Replacement of hydraulic ejector assembly (Jet pump assy.) of bottom Ash System (approx. wt. 275Kg.) 418 Replacement of Inlet piece of hydraulic ejector of bottom ash system. 419 Replacement of Combining tube of hydraulic ejector of bottom ash system. 420 Replacement of Butter Fly Valve, size 300 mm dia. 421 Replacement of Knife edge plate valve size 300 mm dia. 422 Replacement of Bearing of Clinker Grinder including related job i.e. gland packing and gear/sprocket removal and fitting etc. of SG Plant. 423 Clinker grinder bearing replacement including related job i.e. gland packing and gear/sprocket removal and fitting etc. of CPP boiler. 424 Alignment of hydraulic cylinder of Sluice Gate Valve of SGP and CPP Boilers as per the instruction of Engineer-in-charge. Opening and boxing-up of manhole cover is in contractor scope 425 Removal of Ash Slurry Pump and shifting it to Mechanical W/Shop for repair and fixing the overhauled Ash Slurry pump on position and connecting of suction, seal water and discharge line includingfixing and alignment of belt up to the required level. 426 Replacement of peep hole assembly, job includes, removal of old assembly, refixing of new peep hole assembly after repair of holding plates if required. 427 Fab & Fixing of clamps on Ash Slurry/ water Line/ Carbon Slurry line 16" dia. 428 Fab & Fixing of clamps on Ash Slurry/ water Line/ Carbon Slurry line 12" dia. 429 Fab & Fixing of clamps on Ash Slurry/ water Line/ Carbon Slurry line 10" dia. 430 Fab & Fixing of clamps on Ash Slurry/ water Line/ Carbon Slurry line 8" dia. 431 Removal of Ash Water pump Motor and shifting it to Mechanical W/Shop for repair and to bring it back to site and fixing back on position including alignment up to the required level and coupling with pump. 432 Removal of Ash Water pump and shifting it to Mechanical W/Shop for repair and back to site and fixing back on position and connecting of suction and discharge line includingaligning up to the required level and coupling with pump. 433 Replacement of Balance Valve, Combined seat of A.W.P 434 Replacement of Victaulic coupling gasket Job includes opening of the vitriolic coupling joint of old gasket, fitting new gasket and boxing back. 435 Replacement of Clincker Grinder. The job includes removal of old Clinker grinder from position, fixing the new/old repaired CG brought from Stores/Mech. W/Shop in position, making all cooling water connections, repair of CG/Sluice valve gate housing/body 436 Replacement of Clinker Grinder Gearbox. 437 Replacement of gland packing in Pumps/Agitators/Blowers/Gear Boxes etc. per shaft diameter up to and including 3" dia, pr. Rating up to 15 kg./cm2 . 438 Replacement of gland packing in Pumps/Agitators/Blowers/Gear Boxes etc. per shaft diameter above 3" dia, pr. Rating up to 15 kg./cm2 . 439 Replacement of gland packing in Pumps/Agitators/Blowers/Gear Boxes etc. per shaft diameter up to and including 3" dia, pr. Rating up to 15 to 30 kg./cm2 . 440 Replacement of gland packing in Pumps/Agitators/Blowers/Gear Boxes etc. per shaft diameter above 3" dia, pr. Rating up to 15 to 30 kg./cm2 . 441 Replacement of gland packing in valves rates asper stem up to and including 1" Diameter, Pressure rating up to and including 20kg/cm2 . 442 Replacement of gland packing in valves rates asper stem up to and including 2" Diameter, Pressure rating up to and including 20kg/cm2. 443 Replacement of gland packing in valves rates asper stem up to and including 1" Diameter, Pressure rating up to and including 21 to 100 kg/cm2. 444 Replacement of gland packing in valves rates asper stem up to and including 2" Diameter, Pressure rating up to and including 21 to 100 kg/cm2. 445 Replacement of Conveyors 1, 2, 3, 4, 5, 6,ET-1, ET-2, ET-4 & ET-6 gear box. Job includes removal of the old gear box from the position, shifting the same to main work shop for repair or to stores. Bringing new / overhauled gear box from stores/ Main workshop 446 Replacement of Conveyors ET-3, ET-5, Conveyor - 7 & Wing Conveyor no.3 gear box. Job includes removal of the old gear box from the position, shifting the same to main work shop for repair or to stores. Bringing new / overhauled gear box from stores/ Main workshop 447 Replacement of Conveyors PJD-120 gear box. Job includes removal of the old gear box from the position, shifting the same to main work shop for repair or to stores. Bringing new / overhauled gear box from stores/ Main workshop, shifting to site at all elevations 448 Replacement of Conveyors PJD-101gear box. Job includes removal of the old gear box from the position, shifting the same to main work shop for repair or to stores. Bringing new / overhauled gear box from stores/ Main workshop, shifting to site at all elevations 449 Replacement of Conveyors PJD-102, 103 gear box. Job includes removal of the old gear box from the position, shifting the same to main work shop for repair or to stores. Bringing new / overhauled gear box from stores/ Main workshop, shifting to site at all area. 450 Replacement of Conveyors PJD-106, 109, 109A gear box. Job includes removal of the old gear box from the position, shifting the same to main work shop for repair or to stores. Bringing new / overhauled gear box from stores/ Main workshop, shifting to site 451 Replacement of Conveyors PJD-107 gear box. Job includes removal of the old gear box from the position, shifting the same to main work shop for repair or to stores. Bringing new / overhauled gear box from stores/ Main workshop, shifting to site at all elevation 452 Overhauling of Gear Box, job includes dismantling of gear box, cleaning of all spares. Replacement of worn out parts, adjustment of back lash up to the recommended level. 453 Overhauling of Gear Box of Belt Conveyor (BIG) such as ET-1, ET-2, ET-4, Conv. # 1,2,3,4,5,6 etc. The job includes dismantling of gear box, cleaning of all spares. Replacement of worn out parts, adjustment of back lash up to the recommended level. Overhaul 454 Overhauling of Gear Box of Belt Conveyor (Small) such asET-3, ET-5, W/G Box, PF travel Gear Box, job includes dismantling of gear box, cleaning of all spares. Replacement of worn out parts, adjustment of back lash up to the recommended level. 455 Re-alignment of motor to gear box and head end pulley of conveyor no 1,5,6, ET-2 and ET-4. After removalof fluid coupling and refixing of coupling after alignment. 456 Realignment of motor, gear box and head pulley of conveyor no 3,4,7,ET-1.3,5 and 6. 457 Inspection of conveyor bearing (Pillow block) which include, opening top cover, washing with diesel, boxed up after fresh grease size up to 60mm ID of the bearing. 458 Inspection of conveyor bearing (Pillow block) which include, opening top cover, washing with diesel, boxed up after fresh grease size above 60mm ID of the bearing. 459 General Checking of paddle feeders of ET-1, Conv. 2 & 4,Wagan Tippler, Travelling Trolley of Conveyor-3 & Conveyor-7. Job involves checking of coupling bolts, resilient plate, multidisc assy., coupling of travel drive assy., tightening of loose coupling bolts, Rack gear bolts & other bolts & their replacement, if required. 460 Replacement of Fluid coupling of Belt conveyor of size FCU10.5 to FCU16.25. Job includes removal of old coupling and fixing of New coupling after checking of alignment and correction if required, up to the recommended level. 461 Replacement of Fluid coupling of Coal Crusher of size FCU26. Job includes removal of old coupling and fixing of New coupling after checking of alignment and correction if required, up to the recommended level. 462 Replacement of paddle feeder gear box including alignment of motor & gear box and commissioning back complete in all respects. This includes shifting of gear box from workshop / stores to site and old gear box from site to work shop. 463 Repositioning of derailed paddle feeder / Tripper Car of all conveyor. Job includes lifting of feeder with the help of chain block and placing on rail. Any allied job if required shall be in the scope of contractor. 464 Dismantling and repair of PF Blades of ET/-1/ Conv. #4/ Conv. #2. Job includes removal of blade, fabrication and replacement of plate of the hub and edge of the blades etc. 465 Off centre attending of Belt Conveyor ET-1 to ET-6, Conv. # 1 to Conv # 7. Job includes adjustment of Tail end Pulley, Gravity take-up pulley, Bend pulley etc. slot formation & providingof jack bolt if required. 466 Replacement of Head Pulleys Conveyor 400 mm width. Job includes jamming/ fixing of the belt decoupling of the pulley from gear box removal of the worn out pulley, fixing of new pulley in position. Alignment of the gear box and box up back. 467 Replacement of Head Pulleys Conveyor 600 mm width. Job includes jamming/ fixing of the belt decoupling of the pulley from gear box removal of the worn out pulley, fixing of new pulley in position. Alignment of the gear box and box up back. 468 Replacement of Head Pulleys Conveyor 750 mm width. Job includes jamming/ fixing of the belt decoupling of the pulley from gear box, removal of the worn out pulley with bearing, fixing of new pulley along with bearing in position. Alignment of the gear box and box up back. 469 Replacement of Head Pulleys Conveyor 800 mm width. Job includes jamming/ fixing of the belt decoupling of the pulley from gear box, removal of the worn out pulley with bearing, fixing of new pulley along with bearing in position. Alignment of the gear box and box up back. 470 Replacement of Head Pulleys Conveyor 1000 mm width. Job includes jamming/ fixing of the belt decoupling of the pulley from gear box, removal of the worn out pulley with bearing, fixing of new pulley along with bearing in position. Alignment of the gear box and box up back. 471 Replacement of 400 mm wide conveyor Snub pulley, tail end pulley, take up pulley and bend pulley. Job includes jamming of the belt of fixed place removal of the worn out pulleys, fixing of new pulleys with bearings. 472 Replacement of600 mm wide conveyor Snub pulley, tail end pulley, take up pulley and bend pulley. Job includes jamming of the belt of fixed place removal of the worn out pulleys, fixing of new pulleys with bearings. 473 Replacement of 750 mm wide conveyor Snub pulley, tail end pulley, take up pulley and bend pulley. Job includes jamming of the belt of fixed place removal of the worn out pulleys with bearings, fixing of new pulleys with bearings. 474 Replacement of 800 mm wide conveyor Snub pulley, tail end pulley, take up pulley and bend pulley. Job includes jamming of the belt of fixed place removal of the worn out pulleys with bearings, fixing of new pulleys with bearings. 475 Replacement of 1000 mm wide conveyor Snub pulley, tail end pulley, take up pulley and bend pulley. Job includes jamming of the belt of fixed place removal of the worn out pulleys with bearings, fixing of new pulleys with bearings. 476 Removal and installation of main shaft basket assembly of Urea centrifuge UGF-201A-E, along-with associated pipe lines, connections and flanges. Job include removal of basket along-alongwith shaft and bearings from its position. Removal of exisitng bearing from shaft. Assembling of new/ existing bearing in existing or new basket shaftassembly amd installation of basket shaft assembly along-with bearingand bush in the bearing housing 477 Removal and installation of Pusher shaft basket assembly of Urea centrifuge UGF-201A-E, along-with associated pipe lines, connections and flanges. Job include removal of basket along-alongwith shaft and bearings from its position. Removal of exisitng bearing from shaft. Assembling of new/ existing bearing in existing or new basket shaftassembly amd installation of basket shaft assembly along-with bearingand bush in the bearing housing 478 Removal and installation of main front casingof Urea centrifuge UGF-201A-E, along-with removal and installation of all the associated flanges, covers, inlet- outlet valves, steam lines etc. 479 Removal andinstallation of LOP M1along-with motor of Urea centrifuge UGF-201A-E including removal of existing pump assembly with motor from its position after dis-connecting it from suction/discharge line, assembling of motor with spare pump and installation of the same at its position and connecting it with discharge line. 480 Removal andinstallation of LOP M2 along-with of Urea centrifuge UGF-201A-E including removal of existing pump assembly with motor from its position after dis-connecting it from suction/discharge line, assembling of motor with spare pump and installation of the same at its position and connecting it with discharge line. 481 Removal and installation of UGA-404 discharge notch wire strainer spool; including job of removal of stainer housing from its position,removal of strainer from housing by de-flanging, installation of new or existing cleaned strainer, box-up of strainer housing with new gasket and installation of strainer housing at its position with new gaskets. 482 Removal and installation of UGA-403 discharge notch wire strainer spool; including job of removal of stainer housing from its position,removal of strainer from housing by de-flanging, installation of new or existing cleaned strainer, box-up of strainer housing with new gasket and installation of strainer housing at its position with new gaskets. 483 Removal and installationof UGA-101 Amm. Feed pumps motors. Job include decoupling of motor from pump, removal of foundation bolts, removal of motor from its position and shifting it to Electrical Workshop.Shifting new/ repaired motor from electrical workshop to position. Installation of motor at its position and tightening of foundation bolts. 484 UGB-401 blower casing removal and boxup along with associatedsuction, discharge pipings, flanges and bearing housing cooling water lines. 485 UGB-401 rotor assembly removal and installation in casing. Job includes removal of rotor from bottom casing, shifting it to Mechanical workshop. Shifting repaired/ new rotor at site and installation of the same in bottom casing. 486 Removal, dismantling, overhaul & installation of ID/ FD Blower fan of Silo. Job includes dis-assembly of blower casing along-with associated inlet/ outlet pipe lines, flange connections, removal of rotor along-with bearings of both sides with plummer block, repair of rotor/ fan including welding jobs for strengthening of fan hub/ blades etc, if required replacement of existing shaft with shaft along-with inboard and out board bearings.Iinstallation of repaired/ new rotor with new bearings in bottom casing, installation of top casing along-with inlet/ outlet pipelines and flange connections. 487 Replacement of worn out unsplit/ split type, pillow block/ plummer block from snub/ head/ tail end pulley, bend pulleys of belt conveyor, wing tripper & tripping car after loosening of belt by lifting of gravity take-up pulley, removal & installation of new. 488 Up to 25 mm dia 489 Above 25 mm dia up to 50 mm dia 490 Above 50 mm dia up to 75 mm dia 491 Above 75 mm dia up to 85 mm dia 492 Above 85 mm dia up to 90 mm dia 493 Above 90 mm dia up to 100 mm dia 494 Erection of Snapped Conveyor Belt. Job includes positioning of belt to make it ready for vulcanising joint which include lifting of gravity take up, cleaning of belt both side, all allied jobs and pulling belt to the required place of belt, shifting of vulcanizing machine to site, fixing and shifting back to workshop after completion of vulcanizing joint. 495 Wing Conveyor Travelling Trolley Gear Box replacement: Replacement of installedcomplete gear box with overhauled/new gear box . Shifting of overhauled gear box / new gear box from site store/ main store to the position.Removal of both drive chain and gear box, removal of both sprocket form old gear box and same are to be fixed on new gearbox. Positiongand fixing of new gearbox &fixing of both drive chain. 496 Wing Conveyor Travelling Trolley derailed/damaged drive chain replacement: Removal of derailed/damage chain & Fixing of New chain & locked bylocking pin 497 Replacement of new conveyor belt 1000MM wide. Job includes removal of old belt, positioning of new belt and all associated job including of alignment of belt required for the work and clip joint. 498 Replacement of new conveyor belt 800MM wide. Job includes removal of old belt, positioning of new belt and all associated job including of alignment of belt required for the work and clip joint. 499 Replacement of new conveyor belt 750MM wide. Job includes removal of old belt, positioning of new belt and all associated job including of alignment of belt required for the work and clip joint. 500 Replacement of new conveyor belt 600MM wide. Job includes removal of old belt, positioning of new belt and all associated job including of alignment of belt required for the work and clip joint. 501 Replacement of new conveyor belt 400MM wide. Job includes removal of old belt, positioning of new belt and all associated job including of alignment of belt required for the work and clip joint. 502 Positioning of snapped conveyor belt 1000 MM wide. Job includes picking of belt, placing it back to the required place with all allied activity. Length will be counted from the place from where belt is picked up to the joint place. 503 Positioning of snapped conveyor belt 800 MM wide. Job includes picking of belt, placing it back to the required place with all allied activity. Length will be counted from the place from where belt is picked up to the joint place. 504 Positioning of snapped conveyor belt 750 MM wide. Job includes picking of belt, placing it back to the required place with all allied activity. Length will be counted from the place from where belt is picked up to the joint place. 505 Positioning of snapped conveyor belt 600 MM wide. Job includes picking of belt, placing it back to the required place with all allied activity. Length will be counted from the place from where belt is picked up to the joint place. 506 Positioning of snapped conveyor belt 400 MM wide. Job includes picking of belt, placing it back to the required place with all allied activity. Length will be counted from the place from where belt is picked up to the joint place. 507 Clip Jointingof 1000 mm wide conveyor belt. Job includes lifting of gravity take up pulley, pulling of belt to its position, making of straight ends by cutting the belt, clip joining of belt. and setting the including training the belt if required. 508 Clip Jointingof 800 mm wide conveyor belt. Job includes lifting of gravity take up pulley, pulling of belt to its position, making of straight ends by cutting the belt, clip joining of belt. and setting the including training the belt if required. 509 Clip Jointingof 750 mm wide conveyor belt. Job includes lifting of gravity take up pulley, pulling of belt to its position, making of straight ends by cutting the belt, clip joining of belt. and setting the including training the belt if required. 510 Clip Jointingof 600 mm wide conveyor belt. Job includes lifting of gravity take up pulley, pulling of belt to its position, making of straight ends by cutting the belt, clip joining of belt. and setting the including training the belt if required. 511 Clip Jointingof 400 mm wide conveyor belt. Job includes lifting of gravity take up pulley, pulling of belt to its position, making of straight ends by cutting the belt, clip joining of belt. and setting the including training the belt if required. 512 Longitudinal / transverse clip fastener joint Up to and including 1 (one) running meter length. Job includes lifting of gravity take up pulley and putting clamps on belt, if required, placement of the belt on position and training of the belt 513 Longitudinal / transverse clip fastener joint per running meter length. Job includes lifting of gravity take up pulley and putting clamps on belt, if required, placement of the belt on position and training of the belt 514 Replacement of the old rollers from the roller bracket, fixing the new roller or repaired roller in position. This covers all type of rollers including old rollers after making them free. 515 Replacement/ repair of the bracket assembly replacement/ repair of the bracket and boxing up back in position with rollers. 516 Replacement with new or repaired impact pads bracket including re-centring of belt. 517 Replacement of coal chute plates by cutting and welding. 518 Repair of chute duct, PF bend boxes, deck plate, hopper etc. by patch welding which includes making of scaffolding, cutting of old plate at all elevations. 519 Fabrication and installation of side Rubber Skirts on convertor including repair of skirts holders. 520 Replacement of side skirt rubber portion only. 521 Fabrication of deck plate for Conveyors out of M.S. plates thickness 3 mm to 6mm and sizes 1400 x 1350 mm by cutting and welding. MS plate shall be provided by NFL free of cost. 522 Fabrication of deck plate for Conveyors out of M.S. plates thickness 3 mm to 6mm and sizes 1400 x 1200 mm by cutting and welding. MS plate shall be provided by NFL free of cost. 523 Fabrication of deck plate for Conveyors out of M.S. plates thickness 3 mm to 6mm and sizes 1500 x 1100 mm bycutting and welding. MS plate shall be provided by NFL free of cost. 524 Fabrication of deck plate for Conveyors out of M.S. plates thickness 3 mm to 6mm and sizes 1400 x 1100 mm bycutting and welding. MS plate shall be provided by NFL free of cost. 525 Repair of damaged/splashed portions of conveyor belt by cold solution 526 Replacement of Deck plates. Job involves removal of impact/ troughing roller assemblies, old/ damaged deck plates, fixing the new deck plate in position fixing back the new/old impact/ troughing roller assemblies with new/ old rollers in position. 527 Replacement/ repair of rubber/ plastic lining of hopper/chutes surface by drilling and bolting of MS plate. Erection of scaffolding etc if required shall be in the scope of contractor. 528 Replacement of dewatering pump of Ash water pump house, Conv. 4, Conv.5, Conv. 1, ET-2 etc. Job includes dismantling of the pump & its motor from position and fixing on overhauled pump motor. 529 Replacement of Magnetic belt gearbox / Tripper Gearbox / P.F. Drive Gearbox. Job includes removal of old gear box, removal of coupling , fixing of coupling on new gear box. Placement of gear box on position. And alignment up to the recommended level 530 Replacement of Gearbox of Magnetic Belt of ET-2 & ET-4: Replacement of installedcomplete gear box with overhaued/new gear box . Shifting of overhauled gear box / new gear box from site store/ main store to the place of installation. Removal of both Coupling hubalong with pins & same shall be fixed on new gear box. Alignment of gearbox with motor and belt pulley upto the satisfaction of Engineer-In-Charge. Boxing up the pin bush couplings.Gas cutting and welding if necessary is in contractor"s scope. 531 Replacement of Head pulley/Tail Pulley of Magnetic belt of ET-2 & ET-4.: Replacement of installedPulley with new Pulley . Shifting of new Pulley from main store/site store to the position, Removal of installed pulley a/w bearing & coupling hub, fixing of both bearing & coupling hub, positioning of new pulley.Alignment of pulley withgearbox upto the satisfaction of Engineer-In-Charge and boxed up of coupling pins. 532 Replacement/repair of magnetic belt scrapper: Removal of damage scrapper and fixing of new scrapper and tighening of its bolts. 533 Complete overhauling of hammer Crusher (HC). Job includes Assy. of rotor from old / newparts then boxing up the crusher withnew / old spares, correction of bearing base, fixing of chutes in position, alignment of rotor andmotor and fixing up of Flanges etc 534 Replacement of Crusher Hammer. Job involves opening the covers of the crusher, plugs, removal of the suspension bar, fixing the new ring hammers (Toothed and ring) in position and boxing up the crusher. 535 Complete set of crusher hammers (toothed and ring )set of 56 pcs. 536 Per hammer (total payable amount should not exceed the amount payable for set. 537 Replacement of cage bars (set of 9 Nos.). 538 Replacement of per No. cage bar. 539 Replacement of Screw plate. 540 Replacement of cage breaker plate. 541 Replacement of crusher & motor. 542 Replacement of out board Bearing Crusher in Coal Handling Plant. Job includes Liftingthe rotor if reqd., removal of split Plummer block after dismantling the bolts, old damaged brg. to be removed and box up with new brg properly greased. Lower down the 543 Replacement of in board Bearing Crusher in Coal Handling Plant. Job includes removal of V-Belts, pulley/ Hydraulic coupling, lifting the rotor if reqd. removal of split Plummer block after dismantling the bolts, old damaged brg. to be removed and box up 544 General Checking of coal crushers. Job involves opening of covers, checking of cage bars, bolts, repair and refixing of end disc cover, removal of foreign material, stones etc., tightening or tag welding of bolts etc. & boxing up of covers. Opening of both bearing housing cover, Cleaning and boxing up with fresh grease. 545 RC Feeder Drive End / Non Drive End Bearing replacment: Removal of chain cover and chain, dismantling clutch assembly. Removal of damaged bearing and installation of new bearing, grinding for fitment &gas required for heating and cutting would be in contractors scope. Cleaning of greasing port for bearing. Assembling the dismantled parts. 546 Job includes assembly of spare RC Feeder with body liners, rotor assembly, liner sleeve, sprocket and bearings, Flapper assembly. Replacement of assembled spare RC feeder with exisitng installed by unbolting the flanges and cutting as required. Repair of mounting structure ofRC Feeder as required. Alignment of spare RC feeder with drive and installation of clutch and lever assembly. 547 Sluice Gate Replacement of Bottom Ash Hopper: Cutting of Sluice gate housing body to the extent required for easy replacement of sluice gate. Removal of sluice gate after cutting all the lock points , removal of seat of the sluice gate if worn out along with the liner. Installation of new seat and liner, followed by installation of Sluice gate with its side frame, proper position . Repair of Sluice gate housing body from inside as required. Welding the cut section of housing. Proper Alignment of sluice gate once the assembly is done. Welding electrodes and Gas required for cutting is in contractors scope. 548 ID/FD fan coupling replacement: Removal pin bush and coupling hubs (both side) by heating or hydraulic jack. Installing new coupling after proper cleaning of shaft.Alignment of motor to Fan shaft should be done as per satisfaction of Engineer-in-charge. 549 APH Gearbox Replacement: Decoupling both sides of gearbox andremoval the Gear Box from position. Shifting of overhauled gear box or new gear box from main store/site store to the position.Cleaning the mounting frame of gearbox and installing the new/overhauled gearbox. Alignment of both sides of gearbox shaft to motors should be done as per satisfaction of Engineer-in-charge. Boxing up both side couplings with proper greasing. Gas cutting and welding if necessary is in contractor"s scope. 550 Replacement of Reduction gearbox of Boiler-1 RC feeder: Replacement of installedcomplete gear box( big or small) with overhaued/new gear box . Shifting of overhauled gear box or new gear box from main store/site store to the position.Alignment of mating shafts and the sprocket of big gearbox to RC feeder drive sprocket should be done upto the satisfaction of Engineer-In-Charge. Boxing up the pin bush couplings.Gas cutting and welding if necessary is in contractor"s scope. 551 Replacement of wrapping motor gearbox: Replacement of installedcomplete gear box with overhauled/new gear box . Shifting of overhauled gear box or new gear box from main store/site store to the position.Alignment of the shaft hub of gearbox to driven shaft hub upto the satisfaction of Engineer-In-Charge. 552 Adjustment of classifier vanes: Cutting the locks of vanes, adjusting it as instructed and locking it again. Tagged welding required for locking is in contractor"s scope. (1 set= 20 Nos.) 553 Replacement of Inner Cone of Bowl Mill: This job would be done in parallel to the overhauling of Bowl Mill, hence dismantling activities are excluded.Removing inner cone. Repairing classifer vanes frame, Inner deflector ring, replacing damaged classifier vanes and repairing/ replacing the eroded inverted cone and coal feed pipe. Installing new cone and bolting properly. All rigging tools and tackles is in contractor"s scope.Gas cutting and welding if necessary is in contractor"s scope. 554 Replacement of whizzer wheel angles of Bowl Mill exhauster: Opening exhuaster inspection cover. Removing worn out angles and installing new angles, if required angles should be cut to required size for proper fitment and Dynamic balancing.Gas cutting and welding if necessary is in contractor"s scope 555 Replacement of exhauster Liner (Mill Side): This job will be done during the overhauling of exhauster. Hence, dismantling activities of exhauster are not included in job. Top liner cover and top liner removal. Removal of worn out liner plate by opening the bolts and cutting into pieces. Repairing the exhauster body if required and installing new liner plate in position. Welding the plate along the eye. Securing the plate with bolts and washers properly. Installing top liners and top liner covers.Gas cutting and welding, if necessary, is in contractor"s scope. 556 Replacement of magnetic belt of ET-2 & ET-4: Shifting the magnet belt assembly to secure location for proper access. Removal of damaged belt and installting new belt in position. Shifting the magnet belt assembly to its original position after completion of job. Gas cutting and welding, if necessary, is in contractor"s scope. 557 Inspection and Replacement of Drive Shaft Bush Bearings of Wagon Tippler: Removal plummer block top half, cleaning the bearing and journal after inspection, replacing the same if the need be. Necessary arrangements of jacking has to be done for removal of bottom bush. Boxing up with new bush bearings and locking it properly. Gas cutting and welding, if necessary, is in contractor"s scope. 558 Wagon Tippler pivot bush bearing replacemet.Job includes removal and fixing of bush bearing along with plummer block. Cutting/heating if necessary to be done by contractor. 559 Replacement of Track wheel along with bearing.Job includes Removal of complete Track wheel with shaft and pillow block bearing, removal of old bearing, wheel and gear from shaft, mounting of new bearing, wheel and gear on shaft and fixing of complete track wheel of ET-1 Paddle Feeder, Conveyor-4 Paddle Feeder, Conveyor-7 Travelling Trolley and Wing Conveyor Travelling Trolley. 560 Inspection of Drive Shaft Bush Bearings of Wagon Tippler.Opening of plummer block top half, cleaning the bearing and journal after inspection, Boxing up of plummer block and locking it properly. 561 Replacment of worn out break shoes Liner at coupling of wagon tippler gearbox: Loosening the brake frame and removing the brake pads, installing new brake pads and rivetting it properly. Adjusting the brakes to the statisfaction of Engineer-In-Charge. Gas cutting and welding, if necessary, is in contractor"s scope. 562 Replacement of Drive shaft Coupling bush of Wagon Tippler.: Removal of damaged bushes, cleaning the bush bore properlyand installing new set of bushes and torquing to required value. 563 Replacement of Wagon tippler motor to gearbox Coupling Bolts: Shifting the motor backwards after loosening the bolts, removing worn out bolts and installing new set. Placing the motor back in position and tightening the bolts after proper alignment of both the shafts as per satisfaction of Engineer-In-Charge.Gas cutting and welding, if necessary, is in contractor"s scope. 564 Wagon Tippler Vibro Feeder Pan adjustmentl: Adjustment of Vibrofeeder Pan by rotating of turnbuckled joint of tie rod of vibro feeder pan. 565 Replacement of worn outrubber pads of wagon support beam: Removal of damaged pads and installing new pads and securing it by proper bolting. Total pads are 45 Nos. 566 Replacement of Grid Spring of Conv-7, Conv-4, ET-5 etc. gearbox coupling: Opening the Grid spring coupling, cleaning it properly and installing new grid springs and boxing up the coupling. 567 Replacement of Hold Back Device of Conv-5, Conv-6, ET-2, ET-4 & Conv-1 Gearbox: Removal of Damaged Hold Back device, repair of internals of the hold back device or replacing the same with new one. Gasket at sealing joints are to replaced and made leak proof. Gas cutting and welding, if necessary, is in contractor"s scope. 568 Replacement of Coupling bolts of Conveyors Gearbox: Removal of worn out coupling bolts and repalcing it with new set after proper cleaning of bolt bores. 569 Alignment of motor to crusher shaft: Removal of Coupling bolts, properly alignment of crusher to motor shaft as per satisfaction of Engineer-In-Charge. Installing the coupling bolts. 570 Replacement of Extraction air blower bearings of ET-1 & MC1 R: Removal of damaged bearings, cleaning the bearing seating area and installing new bearings in position and locking properly. 571 Replacement / Repair of Penthouse corrugated sheet/skin casing.Job includes preparation of scaffolding as required. Removal of old sheets and fixing of new or repaired sheet with proper anchoring as per the directions by concerned engineer. 572 Rectification of collecting plates of ESP. Job includes Cutting the plate at required position inside the ESP, realigning and welding the plate and locking it properly. 573 Coal crusher cage adjustment 574 Hot Vulcanization of Nylon Conveyor Belt: Job includes clamping of belt, slicing of belt, application of hot joint solution, Fixing of vulcanizing heater and removal of heater, clamps, Chain pulleys and all other accessories after curing time for running of conveyor. 575 Cold Vulcanization of Nylon Conveyor Belt. Job includes clamping of belt, slicing of belt, application of cold joint solution, removal of clamps, Chain pulleys and all other accessories after curing time for running of conveyor. 576 Opening and box up of spray nozzles at dust chamber in prilling tower; size 1/2" screw type 577 Offcenter attending of 600 mm wide belt conveyor UJD-303,PJD-101,102,103 578 Offcenter attending of 1000 mm wide belt conveyor PJD-106, 107,109, 109A 579 Offcenter attending of 400 mm wide belt conveyor PJD-120 AO,A1, A2, B1, B2, C1,C2,C3 580 Replacement of Suction/Discharge valve of Ammonia feed Pump 581 Replacement of Bypass valve of Ammonia feed pump 582 Replacement of Suction Manifold of Ammonia feed Pump 583 Replacement of Ammonia Pump block with suction manifold 584 Overhauling of gearboxes in urea plant of size 3 inch; Job includes dismantling of gearbox worm and worm wheel shaft assemblies, cleaning of all parts, replacement of all worm, worm wheel and its shaft, bearings and oil seals, blue matching of worm and worm wheel as per instruction of Engineer in charge 585 Overhauling of gearboxes in urea plant of size 7-9 inch; Job includes dismantling of gearbox worm and worm wheel shaft assemblies, cleaning of all parts, replacement of all worm, worm wheel and its shaft, bearings and oil seals, blue matching of worm and worm wheel as per instruction of Engineer in charge 586 Overhauling of gearboxes in urea plant of size 10.5 inch; Job includes dismantling of gearbox worm and worm wheel shaft assemblies, cleaning of all parts, replacement of all worm, worm wheel and its shaft, bearings and oil seals, blue matching of worm and worm wheel as per instruction of Engineer in charge 587 Servicing of conveyor gearboxes in urea plant, Job includes oil draining/flushing, greasing of grid coupling, Replacement of damaged pin bush coupling bolts as per instruction of Engineer in charge 588 Replacement of Pneumatic vibrators of cyclone in urea plant 589 Replacement of Hanger bearings of Screw Conveyor UJD-301A/B in urea plant. Job includes opening of hanger bearing bracket, replacement of hanger bearing and boxing up bracket as per instruction of Engineer in charge 590 Greasing of bearing blocks of various pulleys of conveyors in Urea and bagging plant. 1Set consists of both bearings of pulley 591 Replacement of back pull out assemblies of pumps having drive motor rating 0.5-11kW in Urea plant. Job includes decoupling/coupling of pump and motor, removal of motor and associated piping, Removal and installation of back pull out assembly of pump, Alignment of pump to motor and all associated jobs as per direction of Engineer in charge 592 Replacement of back pull out assemblies of pumps having drive motor rating 11-60kW in Urea plant. Job includes decoupling/coupling of pump and motor, removal of motor and associated piping, Removal and installation of back pull out assembly of pump, Alignment of pump to motor and all associated jobs as per direction of Engineer in charge 593 Replacement of back pull out assemblies of pumps having drive motor rating more than 60kW in Urea plant. Job includes decoupling/coupling of pump and motor, removal of motor and associated piping, Removal and installation of back pull out assembly of pump, Alignment of pump to motor and all associated jobs as per direction of Engineer in charge 594 Overhauling/Maintenance of back pull out assemblies of pumps having drive motor rating 0.5-11kW in Urea plant. Job includes dismantling of back pull out assembly, Cleaning of all associated parts, Replacement of bearings, shaft, shaft sleeve, gland packing etc as per requirement and assembling back while maintaining clearances/tolerances as per instruction of Engineer in charge 595 Overhauling/Maintenance of back pull out assemblies of pumps having drive motor rating 11-60kW in Urea plant. Job includes dismantling of back pull out assembly, Cleaning of all associated parts, Replacement of bearings, shaft, shaft sleeve, gland packing etc as per requirement and assembling back while maintaining clearances/tolerances as per instruction of Engineer in charge 596 Overhauling/Maintenance of back pull out assemblies of pumps having drive motor rating more than 60kW in Urea plant. Job includes dismantling of back pull out assembly, Cleaning of all associated parts, Replacement of bearings, shaft, shaft sleeve, gland packing etc as per requirement and assembling back while maintaining clearances/tolerances as per instruction of Engineer in charge 597 Replacement of LFW pumps, polish water pumps and blowdown transfer pumps: Jobs includes removal of pump after dismantling all connections, fixing of spare pump, alignment after installation of coupling hub and final box up of coupling. 598 Coupling replacement of LFW, Polish water and blowdown pumps: Jobs includes Removal of damaged/old coupling and installation of spare coupling, alignment of Pumps w.r.t motor and final box up 599 Replacement of lube oil filters of GTG: Job includes Opening of flange and removal of old lube oil filter and fixing of Spare filter and box up of flange. 600 Replacement of GTG combustion air jet pulse filter elements : Job includes shifting of filter elements from ground to filter house elevation, removal of old filter set, installation of new filters in postion and proper torquing as directed. Shifting of removed filters from filter house elevation to safe loaction as instructed. 601 Replacement of GTG combustion intake/compressor suction bellow: Job includes removal of damaged bellow and fitting of spare bellow, and proper troquing of clamping bolts as instrucuted. 602 Compressor washing system connection & disconnection: GTG compressor washing skid connection and disconnection as required. 603 Replacement of GTG combustion air heppa filter elements: Job includes shifting of filter elements from ground to filter house elevation, removal of old filter element, installation of new filter in postion and proper securing as directed. Shifting of removed filter from filter house elevation to safe loaction as instructed. 604 Replacement of lube oil booster pumps and main lube oil pumps of GTG : Job includes removal of pump after dismantling the connections to it and installation of spare pumps, with proper alignment and final box up. 605 Diverter/Gullotinedamper gearbox replacement: Job includes erection of scaffolding to make safe approach, removal of gearbox and its replacement with spare gearbox. Torquing of bolts to required value. 606 Diverter damper hinge shaft bearing replacement: Job includes erection of scaffolding to make safe approach, removal of lockplates after proper marking, removal of bearing, cleaning and repair of shaft if required, replacement with spare bearing, securing the lock plates. 607 Gullotine damper drive shaft bearing replacement: Job includes erection of scaffolding to make safe approach, loosening the plummer block, removal of bearing, cleaning and repair of shaft if required, replacement with spare bearing, tightening the plummer block. 608 Diverter/Gullotine damper sealing strips replacement: Erection of scaffolding as required, cutting the damaged sealing strips and tack weld of bolted segments by grinding, proper grinding before fitment of sealing strips, installation of spare sealing strips, tack welding of bolts after torquing and complete welding of sealing strips. Consumables required should be provide by contractor 609 Replacement/Repair of pyroblock in HRSG and GTES: Job includes preparation of scaffolding for proper approach if required, removal of damaged pyro block, replacement of stud, application of protective coating and installation of pyro block, application of final ceramic coating/ liner plate installation, whichever is applicable. 610 Replacement of HP valves and fittings of size upto 2": Job Includes Removal of the defective valve/fittings, proper edge preparation and welding as per WPS, IBR welder required for the job to be arranged by contractor and the job quality should qualify NDT (RT, UT & DP as applicable) of the joints. 611 Replacement of HP valves and fittings of size 2.5"-6" : Job Includes Removal of the defective valve/fittings, proper edge preparation and welding as per WPS, IBR welder required for the job to be arranged by contractor and the job quality should qualify NDT (RT, UT & DP as applicable) of the joints. 612 Replacement of HP valves and fittings of size8"-12":Job Includes Removal of the defective valve/fittings, proper edge preparation and welding as per WPS, IBR welder required for the job to be arranged by contractor and the job quality should qualify NDT (RT, UT & DP as applicable) of the joints. 613 Replacement of damaged gaskets of all sizes and ratings: Job includes opening of flange, removal of gaskets and inspection and cleaning of raised face/groove for RTJ/ flat face, installation of new gasket and proper torquing to ensure leak free joint. 614 Overhauling of plate heat exchanger: Job includes, fixing of accessories for dismantling, loosing of tie bolts as per sequence provided by engineer-in-charge, removal of plates, gaskets after proper numbering, cleaning of plates with chemicals that is to be arranged by contractor and box up after satisfaction of engineer-in-charge following the established procedure. Followed by Leak test of exchanger. 615 Replacement of bearing block, impeller and coupling of HRSG scanner fan: Job includes removal of impeller, removal of bearings with bearing block, removal of coupling hub, replacement of all the above, alignment and final box up, freeness of rotation to be ensured. 616 Replacement of filter elements of Scanner fan:Job Includes Removal of filter and replacement with spare one. 617 Replacement of HRSG furnance bellows : Job includes Removal of damaged bellows by grinding, installation of new bellow after cutting the pipe and then edge preparation for bellow weld joints, welding with prescribed WPS, followed by NDT (as applicable) as per satisfaction of engineer-in-charge. 618 Replacement of Gas conditioning skid filter elements: Job includes Removal of old filter elements, installation of spare filter elements and box up of vessel cover followed by leak test of the flange joints. 619 Repacement of FA fan DE side bearing: Job Includes Removal of coupling bolts,spacer and fan side coupling hub, opening of upper half bearing block, removal of old bearing, fixing of new bearing and boxed up of upper half bearing block,alignment after installation of coupling hub and final box up of coupling. Hydraulic jacks and other fixtures required are to be provided by contractor. 620 Repacement of FA fan NDE side bearing: Job Includes Removal of upper half bearing block, removal of old bearing, fixing of new bearing and boxed up of upper half bearing block. 621 Replacement/Repair of IGV"s of FA Fan: Job includes Removal of coupling bolts, opening of manhole cover, removal of power cylinder link, replaced/repair of vanes, boxed up of manhole cover and coupling bolts 622 Replacement of FA Fan rotor: Job includes dismantling of suction bellow, removal of transition piece, top casing, removal of bearing block top halves, loading of rotor shaft with proper lifting tools, removal of rotor from inside of IGV ring and replacement of spare rotor impeller assembly. Box up of all above ensuring proper clearances as instructed by engineer-in-charge. Ensure free movement of rotor assembly, installation of coupling hub and alignment w.r.t motor and coupling boxup. 623 Replacement of LP Dozing pumps, HP Dozing pumps and PH Dozing pumps: Jobs includes removal of pump after dismantling all connections, fixing of spare pump and final box up. 624 HRSG HARP Leaky Tubes replacement for outer HARPs: Job includes erection of scaffolding for safe approach, removal of Baffle plates and liner plates, dismantling the HARP locking Tie rods, cutting of leaky tube after proper loading of the same on chain pulleys, removal of the tube and fitup of spare tube in position, weding of joints of tube with top and bottom header as per procedure instructed by engineer-in-charge. NDT of the weld joints as applicable. Removal of scaffloding after hydrotest. 625 HRSG HARP Leaky Tubes plugging/local tube piece replacement for outer HARPs: Job includes erection of scaffolding for safe approach, removal of Baffle plates and liner plates, dismantling the HARP locking Tie rods, cutting of leaky tube after proper loading of the same on chain pulleys, removal of the tube and plugging the opening in top and bottom header and welding the same as per procedure instructed by engineer-in-charge. NDT of the weld joints as applicable. Removal of scaffloding after hydrotest. 626 HRSG Baffle and liner plate replacement: Job includes erection of scaffolding as required, removal of eroded liner/Baffle plate and fixing of spare liner/Baffle plate. Welding to be done if required by TIG considering the thickness of plates 627 Replacement of Ventilation System Filter: Jobs includes Opening/Boxed up of door, removal of filter elements & installation of New/ Cleaned Filter Elements. 628 Cleaning of Stainer of HP, LP, & PH dozing Pump & NRV"s.: Jobs includes opening of suction & discharge flanges, opening of Inlet/outlet NRV"s as required & boxed up of same after cleaning. 629 Gland Packing of HP, LP, & PH dozing Pump: Jobs includes opening of suction & discharge flanges, Removal of pump maniflod, glands removal and repacked and boxed up pump"s manifold , suction and discharge flanges. 630 Replacement of HP and LP steam drum gasket/Inspection.: Job Includes opening of manhole covers for inspection/gasket replacement, cleaning of gasket face area and installation of New gasket and boxed up of manhole covers. 631 Removal/Disconnection of Flexible Hose of Igniters, Burners & Scaners Assembly HRSG.: Removal/Disconnection of Flexible Hose of Igniters, Burners & Scaners Assembly of HRSG and Boxed up of same after completion of jobs. 632 Load testing of Cranes, Chain Blocks,Slings,D Shackles etc. and to be got certified from any one Competent Person authorized by Director of Factories (Pb) Scope of Work for Load Testing is as per Annexure I 633 MOBILECRANES 634 Tata crane, Kato Crane, Etc. 75 Tto120 T 635 Hydra Cranes, Coles crane, Etc. 3T to 12.5 T 636 EOT CRANES 637 CPP T.G. House45 T 638 CPP T.G. House15 T 639 Ammonia Compressor house 25 T 640 Ammonia Compressor house 5 T 641 Urea Compressor house 20 T 642 UreaCentrifuge and Bagging Plant3T 643 O & U Compressor House and Urea Plant5T 644 Central WorkShop 10 T 645 load testing of GTG EOT Crane of capacity 22.5 Ton 646 Load testing of HRSG FA Fan Electric Crane Hoisting of 6.5T Capacity 647 ELECTRICALCRANE HOISTING 648 CPP Ash Slurry Pump House 7.5 T,CPP 36 Mr, SGP AWP House 5T 649 Urea Reactor,SGP &Coal Handling Plant 3T (2No),RWFP (Alum House) .5 T 1No.,ACB Lift Trolley in Ammonia and O&U Plant (3No.) 650 MONO RAIL CHAIN PULLEY BLOCKS 651 CPP & SGP 5T 652 In various plants 3T(19 No.),Ammonia 2T(5No.),O&U/ETP/D.G.set 1T (3no.),CPP APH .5T (1No.) 653 CHAIN PULLEY BLOCKS 654 Chain Pulley Blocks .5T to 2T at different locations in the plant 655 Chain Pulley Blocks 3T to 10T at different locations in the plant 656 Jib Cranes, Fabricated Jhoola, Mech. Winch, V Groove Pulleys at different locations.5T to 5T 657 D Shackle 2T to 25T (106 N0.) 658 Wire Ropes .5T to 50 T (167No.) 659 LIFT 660 Lift (P.Elvt.) CPP & Urea.4T to .884 T (Two times in a Year) 661 Hand Lifting Table, Pallet etc 662 PRESSURE VESSELS TESTING 663 Examination and Testing of Pressure Vessels at different locations Ammonia,Urea,DM Plant etc. and Certification by competent Person approved by Director ofFactories Punjab. Scope of Work for Pressure Vessel Testing job 664 Labour rate for Welder ( IBR) 665 Labour rate for Millwright Fitter-: MInimum ITI certificate holder in millwright fitterwith at least05 years’ experience in maintenance of rotary euipment like as compressor,turnine & pumps etc in peform the job of Dial alignment,Overhauling,Gearnal mech seal maintenance,Mech seal removing and installation in Fertilizer,Petrochemical,Heavy chemical,Power plant,Oil gas Industries.OR WithoutITI certificate holder in millwright fitterwith at least15 years’ experience in maintenance of rotary euipment like as compressor,turnine & pumps etc in peform the job of Dial alignment,Overhauling,Gearnal mech seal maintenance,Mech seal removing and installation in Fertilizer,Petrochemical,Heavy chemical,Power plant,Oil gas Industries. 666 Labour rate for Welder (Non IBR) 667 Labour rate for Gas cutter 668 Labour rate for Rigger 669 Labour rate for Fitter 670 Labour rate for Auto Electrician 671 Labour rate for Semi Skilled 672 Labour rate for Unskilled 673 Labour rate for Crane operators for 3 Te th 15 Te cap Crane 674 Labour rate for Operators for Crane above 15 Te to 75 Te cap Crane 675 Labour rate for Operators for Craneabove 75 Te to 120 Te cap Crane 676 Labour rate for Tractor Operator 677 Labour rate for ITI certificate holder Diesel Auto Mechanic with at least03 years’ experience in maintenance of Diesel engines & Mechanical/Electronic/Pneumatic systems of Dozers/ Payloader/ Excavators and shunting locomotive e.g SAN/Indian Railway makeOR Without ITI Certificate holder in diesel engine mechanic but with minimum 15 years’ experience in maintenance of Diesel engines & Mechanical/Electronic/Pneumatic systems of Dozers/ Payloader/ Excavators and shunting locomotive e.g SAN/Indian Railway make 678 Welder ( IBR) (Over Time) 679 Millwright Fitter-: MInimum ITI certificate holder in millwright fitterwith at least05 years’ experience in maintenance of rotary euipment like as compressor,turnine & pumps etc in peform the job of Dial alignment,Overhauling,Gearnal mech seal maintenance,Mech seal removing and installation in Fertilizer,Petrochemical,Heavy chemical,Power plant,Oil gas Industries.OR WithoutITI certificate holder in millwright fitterwith at least15 years’ experience in maintenance of rotary euipment like as compressor,turnine & pumps etc in peform the job of Dial alignment,Overhauling,Gearnal mech seal maintenance,Mech seal removing and installation in Fertilizer,Petrochemical,Heavy chemical,Power plant,Oil gas Industries.(Over Time ) 680 Welder (Non IBR) (Over Time) 681 Gas cutter (Over Time) 682 Rigger (Over Time) 683 Fitter (Over Time) 684 Auto Electrician (Over Time) 685 Semi Skilled (Over Time) 686 Unskilled (Over Time) 687 Crane operators for 3 Te th 15 Te cap Crane (Over Time) 688 Operators for Crane above 15 Te to 75 Te cap Crane (Over Time) 689 Operators for Craneabove 75 Te to 120 Te cap Crane (Over Time) 690 Tractor Operator (Over Time) 691 ITI certificate holder in Diesel Auto Mechanic with at least03 years’ experience in maintenance of Diesel engines & Mechanical/Electronic/Pneumatic systems of Dozers/ Payloader/ Excavators and shunting locomotive e.g SAN/Indian Railway makeOR Without ITI Certificate holder in diesel engine mechanic but with minimum 15 years experience in maintenance of Diesel engines & Mechanical/Electronic/Pneumatic systems of Dozers/ Payloader/ Excavators and shunting locomotive e.g SAN/Indian Railway make (Over Time) 692 Supply of Unskilled labours for assistance in maintenance jobs during ATA/short shutdown/unforeseen breakdowns 693 Supply of Unskilled labours for assistance in maintenance jobs during ATA/short shutdown/unforeseen breakdowns(Over Time)

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