|
| 1 | Repairing Hot vulcanizing and cold jointing of the conveyor belt |
| 2 | Opening of coupling bolts, removal of counter weights form gravity take up box, clamping of belt. After completion of the work refitting of coupling bolts, putting back counter weight in take up box, removal of clamps and releasing of gravity take up box. |
| 3 | Dismantling of skirt board box duct and After completion of work re-assembly of skirt board box duct |
| 4 | Splashing and Hot / Cold vulcanizing of joints |
| 5 | Laying of Old/Repaired/ New Belt on rollers collected from any point of conveyor/ CHP site store due to damage of belt. |
| 6 | Removal of old and damaged belt and shifting the same to the scrap yard of stores along with all scrap |
| 7 | Repairing of conveyor belt by Hot/ Cold vulcanising process |
| 8 | Repairing of longitudinal repaired conveyor belt by cold vulcanising process up to 10 Cm width |
| 9 | Repairing of longitudinal repaired conveyor belt by cold vulcanising process above 10 cm to 25 cm width |
| 10 | Repairing of take up trolley replacement strengthening of the rod of gravity take up pulley of conveyor along with its associated work. |
| 11 | Repositioning of folded belt on take up / tail pulley or other pulleys of conveyor along with its associated work. |
| 12 | Laying of Old /New sealing belt on bunker |
| 13 | Removal of old and damaged sealing belt of bunkers and shifting the same to the scrap yard of store along with all scraps |
| 14 | Hot/ cold vulcanizing of joint after splicing of sealing belts of bunker for preparation of joint including all associated work |
| 15 | Cold Rubber Lagging and lining on various Conveyor Pulleys |
| 16 | Cold rubber lagging with 16mm hearings bones grooved/ diamond grooved neoprene rubber having 750 + 50 shore hardness on the pulleys of CHP with all the necessary allied works of de-tensioning of belt, removal of hood etc. normalisation and successful trial run of belt as per scope of work |
| 17 | Fixing of rubber lining on various pulley of CHP by cold process with all the necessary allied works of de-tensioning of belt, normalisation and successful trial run of belt as per scope of work |
| 18 | Maintenance of the deck Sheet, Bunker gratings and misc steel structure fabrication, erection and strengthening |
| 19 | Removal of old/ damaged deck sheets and erection of New/ recovered deck sheets on the technological structure of conveyor after its fabrication from MS Sheets/ Plates as per scope of work. |
| 20 | Fabrication of new panel grating for bunker and erection at 37 meter bunker bay after proper dismantling of damaged bunker grating. |
| 21 | Fabrication and Erection of various sections of structure by structural steel such as angle, beam, Chanel and plates in following categoriesLight Section: All section of steel up to 65mm width and plate up to 3.15mm |
| 22 | Fabrication and Erection of various sections of structure by structural steel such as angle, beam, Chanel and plates in following categoriesMedium and Heavy section: All section of steel beyond 65mm width and plate above 3.15mm |
| 23 | Strengthening of Various structures and Post by welding steel plate on back of structure. |
| 24 | Maintenance of Coal Chutes & other allied works |
| 25 | Patching of holes in Chute (a) Upto 200 mm |
| 26 | Patching of holes in Chute (b) Upto 200-500 mm |
| 27 | Replacement of the liner plates of different sizes and shapes in the Chute. |
| 28 | Replacement of the Mother plates of different sizes and shapes in the Chute |
| 29 | Fabrication erection of the strong walling of different size and shape in the Chute. |
| 30 | Repairing of strong walling of the deferent sizes & shapes in chutes. |
| 31 | Repairing of coal centering plates of the chutes |
| 32 | Replacement / Repairing of ribs of different size and shapes on the chutes of the flap gates. |
| 33 | Tightening of CSK bolt of liner plate etc. & flange bolts and nuts of different chutes. |
| 34 | Fixing of CSK bolt & nuts of liner flange bolts and nuts of chutes. |
| 35 | Rectification of the inside defects of the flap gate/ chute for the free movement on the flap gate. |
| 36 | Repositioning of flap gates and actuator assembly for proper closing/ opening of flap gate |
| 37 | Repairing of the rack pinion gate plate. |
| 38 | Replacement of the rack pinion gate plate. |
| 39 | Replacement of the side supporting rollers of rack pinion gate |
| 40 | Fabrication & erection of sealing rubber of rack pinion gate |
| 41 | Replacement of damaged sealing rubber of rack pinion gate. |
| 42 | Repairing / Replacement of the damaged deck plate of conveyor by cutting / welding etc. |
| 43 | Replacement of the worn out damaged liner of deck of vibro feeders. |
| 44 | Repositioning of dislocated chutes. |
| 45 | Removal of plate / foreign material from the chute by cutting to clear the passage of coal in chute. |
| 46 | Repairing / Repositioning of dislocated / distorted liner mother plate of the chute skirt board |
| 47 | Work of breakdown maintenance of TT, Gear Boxes, Belt feeders, Vibro feeders and Vibrating screens installed in CHP: TRAVELLING TRIPPER (02 nos.) |
| 48 | Attending oil leakage of gar box by providing gasket etc. |
| 49 | Replacement of drive chain of cable reeling mechanism. |
| 50 | Repairing of driven chain of cable reeling mechanism. |
| 51 | Repairing of drive / driven teeth of cable reeling mechanism |
| 52 | Replacement of sprockets drive/ driven of cable reeling mechanism |
| 53 | Re-alignment of sprockets drive / driven of cable reeling mechanism |
| 54 | Re-alignment of main drive of travelling tripper i.e., motor gear box, drive and driven sprocket |
| 55 | Replacement of brake shoe liner |
| 56 | Removal of jamming of cable guide roller assembly |
| 57 | Re-alignment of bunker sealing belt by adjusting roller and tension of belt. |
| 58 | Straightening of vertical post of tripper rail by providing stiffeners etc. |
| 59 | Repairing of brake shoe liner |
| 60 | Repairing of tripper brake drum by welding and grinding |
| 61 | Tightening of check nut of Plummer block of TT shaft. |
| 62 | Re-welding and grinding of stiffeners of TT Wheel. |
| 63 | GEAR BOXES (conveyor system, crushers) |
| 64 | Replacement of oil seals of input / output shaft of gear box by dismantling the complete gear box assembly and its re-alignment with driven equipment and motor also. |
| 65 | Attending oil leakage from gear box by providing gasket etc. |
| 66 | Replacement of damaged and distorted jack bolt of gear box by cutting and welding. |
| 67 | Removal & Refixing of bearings of input shaft of gear box for repairing of housing, check nut and making thread. |
| 68 | Removal and re-fixing of coupling fitted in input shaft of gear box. |
| 69 | VIBRATING SCREEN (4nos.) |
| 70 | Replacement of damaged oil seals of bearings |
| 71 | Checking & re-alignment of vibrating screen & motor |
| 72 | Repairing of damaged top deck mesh by welding / cutting. |
| 73 | Elimination of any abnormal sound from vibrating screen. |
| 74 | Replacement of damaged sealing rubber |
| 75 | Attending leakage of grease from bearing housing by providing gasket etc. |
| 76 | Torque setting of all the H.T. bolts by torqe wrench at specified torque including bolts of screen mesh panels. |
| 77 | Attending oil leakage of inspection pipe of screen |
| 78 | VIBRO FEEDERS (4nos. ) |
| 79 | Replacement of damaged bearing by new one |
| 80 | Re-adjustment of stroke of vibro feeder by changing drive pulley of motor |
| 81 | Checking and re-alignment of motor with vibro feeder. |
| 82 | Replacement of damaged drive / driven shaft. |
| 83 | Replacement of V-Belt pulley of motor whenever required. |
| 84 | Torque setting of all the HT bolts by torque wrench at specified torque. |
| 85 | Replacement of Pin bush / Plummer block of motor base frame by cutting & welding. |
| 86 | FLUID COUPLING |
| 87 | Replacement of damaged driving (resilient plate) of fluid coupling Up to 280KW |
| 88 | Replacement of damaged driving (resilient plate) of fluid coupling Above 280KW to 400KW |
| 89 | Replacement of defective/damaged multidisc of fluid coupling Above 280KW to 400KW |
| 90 | Replacement of defective/damaged multidisc of fluid coupling Above 400KW to 800KW |
| 91 | Replacement of Oil seals/O-rings of fluid coupling by taking out the coupling, dismantling, reassembly and alignment Above 280KW |
| 92 | Attending minor oil leakage from various fluid coupling |
| 93 | Round the Clock checking, Routine and Breakdown maintenance of Stacker cum Reclaimer machine and Vibro feeders of CHP |
| 94 | Checking/ Maintenance and operation work round the clock of Stacker-reclaimer machine & vibro feeders of CHP, ATP, Anpara. |
| 95 | BREAK DOWN MAINTENANCE L. T. Mechanism Repair / Replacement of gear / Bearing of L.T. Gear Box. |
| 96 | Repair / Replacement of gear of track wheel |
| 97 | Repair / Replacement of oil seal / ring feeders of L.T. gear box. |
| 98 | Attending oil leakage from the oil pipe line of L.T. gear box. |
| 99 | Repair / Replacement of oil pump brake / brake liners of L.T. Gear box / L.T. drive / manual brake system. |
| 100 | Lubrication System |
| 101 | Replacement of pipe line / Gear hose |
| 102 | Replacement of nipples / door feeder |
| 103 | Repair of gear pump. |
| 104 | Repair of lien leakage. |
| 105 | Flushing of jammed pipe line of grease and re-installation in position. |
| 106 | Repairing of manual grease pump. |
| 107 | HYDRAULIC SYSTEM |
| 108 | Replacement of lines. |
| 109 | Replacement of hose / Ferrule / End connector. |
| 110 | Boom Conveyor and Tripper Car |
| 111 | Replacement of oil seal of fluid coupling/Repair / Replacement of limit switch sprocket. |
| 112 | Training of boom conveyor belt. OR Repairing of the jack bolt block with jack bolt. |
| 113 | Repairing of the scrappers of boom conveyor tripper car and feed dray |
| 114 | Repairing of the defective idlers of boom conveyor |
| 115 | Repairing of brackets / frames of idlers. |
| 116 | Replacement of defective gasket of gear box. |
| 117 | Repairing of fluid coupling/ multidisc/ drive plate. |
| 118 | Replacement of defective idler of boom conveyor tripper and feed tray. |
| 119 | Tightening of the check nut of bearings of pulleys. |
| 120 | Replacement of scrapper rubber |
| 121 | Material gate / skirt board Mechanism |
| 122 | Replacement of bearing of Plummer block. |
| 123 | Replacement of damaged skirt board material gate rubber lining |
| 124 | Round the clock checking, Routine and Breakdown maintenance of Paddle feeders installed in CHP, 3X210MW, ATPS, Anpara |
| 125 | Round the clock checking / Routine maintenance of Paddle Feeder of CHP, ATPS, Anpara |
| 126 | Repairing of resilient plate of fluid coupling by cutting welding and grinding. |
| 127 | Replacement of damaged multi disc of fluid coupling |
| 128 | Replacement of damaged resilient plate of fluid coupling by new / repaired |
| 129 | Replacement & re-alignment of defective / damaged fluid coupling by new or after taking out from other Paddle Feeders. |
| 130 | Repair / Replacement of PIV chain. |
| 131 | Replacement of damaged blades of PF by new/ repaired one. |
| 132 | Complete flushing & cleaning of pipe line & filters etc. of lubricating system of main gear box of Paddle Feeders. |
| 133 | Replacement of rubber rail scrappers (8 Nos. scrappers) / P.F. |
| 134 | Repairing of chain of cable reeling drum. |
| 135 | Checking & re-alignment of motor PIV gear box, fixed base gear box and pivoted base gear box of carriage of P.F. |
| 136 | Re-alignment of cable reeling drum. |
| 137 | Attending leakage of oil from different gear boxes of PF by providing gasket etc. |
| 138 | Repairing of drive / driven sprocket teeth of cable reeling drum by welding grinding and machining etc. |
| 139 | Replacement of drive / driven sprocket of CRD mechanism by new / repaired after taking out from other P.F. |
| 140 | Torque setting of blades fixing bolts (72 Nos. for one P.F.) |
| 141 | Repairing of Garland Idler |
| 142 | Replacement of Garland Idler |
| 143 | Repairing of Garland Idler supporting frame by cutting & Welding etc. |
| 144 | Replacement of damaged frame of garland idler. |
| 145 | Replacement of damaged skirt rubber Lining of P.F. |
| 146 | Repositioning of skirt board plate of Paddle Feeders. |
| 147 | Replacement of bracket of Garland idlers. |
| 148 | Cutting of foreign materials such as M.S. Plate, Angle , Beam etc. entangled with PF blade with the help of gas etc. |
| 149 | Replacement of fixed coupling with new one/ repaired one of carriage drive of paddle feeder |
| 150 | Replacement of damaged bolts of blade by new one after cutting with gas etc. |
| 151 | Major maintenance and repairing works of Primary crushers (4 Nos.), TRF Make (Rotory Breaker) installed in CHP |
| 152 | Removal of jamming of bearing of supporting Rollers. |
| 153 | Replacement of damaged bearing of supporting Rollers. OR Replacement of damaged supporting rollers by new one/ taken out from other crusher |
| 154 | Replacement of damaged oil seal of guide rollers. |
| 155 | Replacement of damaged / worn out guide roller assembly by new one/ taken out from other primary crusher |
| 156 | Replacement of damaged Plummer block of supporting Roller |
| 157 | Tightening / loosening of the drive chain |
| 158 | Replacement of damaged chain link |
| 159 | Repairing of chain link |
| 160 | Replacement of damaged Sealing rubber liner |
| 161 | Replacement of drive sprocket |
| 162 | Re-adjustment of angle of deflector OR Torque Setting of bolt & nut for fixing driven sprocket to feed end spider (12 Nos.) with a torque of 50-60 Kg-M. |
| 163 | Replacement / re-fixing of detached deflector |
| 164 | Re-adjustment of angle of lifting shelve |
| 165 | Repairing of perforated screen plate by welding & grinding the worn out portion |
| 166 | Replacement of Perforated screen plate |
| 167 | Torque Setting of bolt & nut for refuse plough to screen & blank plate (10 Nos. ) with a torque of 70-80 Kg-M. |
| 168 | Torque Setting of bolt & nut of deflector & screen plate to beam (36 Nos. ) with a torque of 70-80 Kg-m. |
| 169 | Torque Setting of bolt & nut of screen plate to beam. |
| 170 | Torque Setting of bolt & nut for fixing Plummer block with a torque of 34-45 Kg. M. OR Torque Setting of bolt & nut for fixing guide roller support to roller supporting structure (21 Nos.) with a torque of 15-20 Kg. M. |
| 171 | Repairing / Re-fixing of refuse plough |
| 172 | Major maintenance and repairing works of Secondary crushers (4 Nos.), TRF Make (Ring Granulators) installed in CHP |
| 173 | Replacement of complete set of ring hammers (78 Nos.) by new / useable old hammer OR Repairing of damaged & wornout breaker plate by cutting, grinding & welding etc. |
| 174 | Replacement of damaged/ broken ring hammer by new / useable old hammers of each now. |
| 175 | Alignment of Crusher only |
| 176 | Repairing of damaged tramp iron tray by heating, straightening & welding etc. after dismantling & re-fixing the same in position after repairing. |
| 177 | Repairing of damaged / worn out centre disc by welding, grinding etc. OR Repairing of damaged / distorted inspection door of secondary crusher |
| 178 | Replacement / Re-fixing of straight cage side piece |
| 179 | Torque Setting of foundation bolts of secondary crusher & its other fasteners. |
| 180 | Attending leakage of oil/grease from bearing of secondary crusher by replacing gasket etc. |
| 181 | Rectification of overheating of bearing of crusher |
| 182 | Repairing of end disc by welding grinding etc. OR Repairing / replacement of liner plates of secondary crusher |
| 183 | Repairing of damaged Tie Beams of Primary crushers and replacement with new repaired tie Beams installed in CHP, ATPS |
| 184 | Repairing of damaged Tie Beams of Primary Crusher installed in CHP, 3x210MW, ATPS, Anpara as per scope of work. |
| 185 | Replacement of Tie Beams of Primary crusher as per scope of work. |
| 186 | Work of overhauling of Primary and Secondary Crushers installed in CHP, ATPS |
| 187 | Overhauling of Primary Crusher as per scope of work |
| 188 | MAINTENANCE OF LIGHTING SYSTEM, ELECTRICAL HOIST, CABLE LAYING AND MAINTENANCE OF SUSPENDED MAGNETS INSTALLED IN CHP, ATPS |
| 189 | Routine maintenance and attending breakdown of lighting / welding system of coal handling plant of 3x210 MW units for proper lighting and welding supply including checking and minor maintenance of associated equipment. |
| 190 | Operation of Hoist on clock wise |
| 191 | RATE SCHEDULE (b) HOISTRepositioning of entangled steel wire rope, replacement of steel wire rope |
| 192 | Attending fault in the control panel of overhead system including replacement of defective components. |
| 193 | Maintenance of hoist which includes replacement of motors, bearings, cleaning of panels, control circuit, cleaning of monorail & other accessories. |
| 194 | Doing steel wire rope of single/double drum hoists in single rope by removing hook pulley for positioning of conveyor belt and for other works. |
| 195 | Repositioning of steel wire rope with hook pulley in single/double drum hoist after positioning of conveyor belt and other works. |
| 196 | Shifting of hook pulley from hoist to another / replacement by new hook pulley. |
| 197 | RATE SCHEDULE (c)ELECTRICAL WIRING & POWER CABLEProviding & Installation of 15A, 240V Anchor make switch socket combined unit with sun mica |
| 198 | Installation of Junction box off size |
| 199 | CABLE LAYING / SALVAGING upto 10mm2 |
| 200 | TERMINATION & CABLE GLANDING upto 10mm2 |
| 201 | TERMINATION & CABLE GLANDING of Power XLPE Aluminum Cable Above 50 mm2 upto 240 mm2 |
| 202 | STRAIGHT THROUGH JOINT OF CABLE upto 10 mm2 |
| 203 | STRAIGHT THROUGH JOINT OF CABLE above 50 mm2 to 240 mm2 |
| 204 | RATE SCHEDULE (d) SUSPENDED MAGNETAttending the fault in the control panel of Oil cooled Suspended Magnets and motors of traveling trolley including replacement of defective components. |
| 205 | Maintenance of Suspended Magnets which include cleaning of control panel, Transformers, Complete cleaning of S/M, Monorail, Checking and maintaining of oil level, maintenance of silica Jel etc. |
| 206 | RATE SCHEDULE (e) PF & TTMaintenance/ overhauling of PF & TT slip ring assembly,electrical control pannel and other associated work. |
| 207 | Floor cleaning of Cable Vaults/galleries |
| 208 | Daily Site Store handling and cartage of material from Central Store to Site Store and vice-Versa of CHP, 3x210MW, ATPS, Anpara |
| 209 | Daily Site Store handling. |
| 210 | Cartage of following materials from central store to the site store of CHD-II, Steel of different sections |
| 211 | Spare parts of machines, plant equipment, consumables and electric items Above 30 Kg up to 100Kg. |
| 212 | Bolts, nuts washer, consumables including welding electrodes, jutes, cloths etc. |
| 213 | Cartage of other material which will be used in CHP from central / plant store to site & vice –versa. This will include rubber items, gaskets, sheets, cork sheets, hose pipe etc. |
| 214 | Cartage of lubricant from different plant store to site store and vice-versa. |
| 215 | Removal of foreign materials form the container placed below the Suspended Magnet at Pent House of TP-1, over conveyor 5A/ 5B near TP-4 and cartage to steel scrap yard of CHP. |
| 216 | Repairing of Hydraulic Jack 50 MT |
| 217 | Maintenance of 6.6 KV and 0.4 KV motors and rewinding of 0.4 KV motors installed in CHPRATE SCHEDULE PART-A (6.6KV motor maintenance) Bearing replacement |
| 218 | Upto 280 KW |
| 219 | Above 400 KW up to 800 KW |
| 220 | Removal of damaged motor from foundation after decoupling and cable disconnnection etc. |
| 221 | Upto 280 KW |
| 222 | Above 280 KW up to 400 KW |
| 223 | Above 400 KW up to 800 KW |
| 224 | Greasing of bearings. |
| 225 | Upto 280 KW |
| 226 | Above 280 KW up to 400 KW |
| 227 | Above 400 KW up to 800 KW |
| 228 | Re-erection of new motor after revisioning dry out and test. |
| 229 | Upto 280 KW |
| 230 | Overhauling of motor |
| 231 | Upto 280 KW |
| 232 | Above 400 KW up to 800 KW |
| 233 | In application of insulating on stator wedge,tighting and adustment etc. |
| 234 | Upto 280 KW |
| 235 | Above 280 KW up to 400 KW |
| 236 | Cleaning of heat exchanger. |
| 237 | Upto 280 KW |
| 238 | Cable box/ terminal box repair, change of insulator/leads etc. |
| 239 | Upto 280 KW |
| 240 | Above 400 KW up to 800 KW |
| 241 | Dismantling of damaged motor for removal of motor |
| 242 | Above 400 KW up to 800 KW |
| 243 | Re-assembly of dismantled motor |
| 244 | Upto 280 KW |
| 245 | Above 400 KW up to 800 KW |
| 246 | Trasportion from store to site or place to place or vice-versa. |
| 247 | Upto 280 KW |
| 248 | Above 400 KW up to 800 KW |
| 249 | Repair of cracked rotor bars. |
| 250 | Upto 280 KW |
| 251 | RATE SCHEDULE PART-B (i) Overhauling of motors and DC Generators as and when required. |
| 252 | Above 5 KW upto 15 KW |
| 253 | Above 15 KW upto 25 KW |
| 254 | Above 25 KW upto 175 KW (Rate is to be quoted in Rs/ KW) |
| 255 | Replacement of Motors/ DC Generators |
| 256 | Above 5 KW upto 15 KW |
| 257 | Above 15 KW upto 25 KW |
| 258 | Overhauling of Roof ventilation fan at 37 mtr level |
| 259 | Bus bar tightness at site of S/R machine No. II. Dust extraction, Dust suppression |
| 260 | RATE SCHEDULE B (ii)Tightening of connection plates of 6.6 KV and 0.4KV motor (min 140 Nos. of Motors) |
| 261 | Servicing of Control Panels,LCCs,JBs. (min 50 Nos.) |
| 262 | Greasing of 0.4KV motors |
| 263 | Rate SCHEDULE PART- C(0.4KV motor rewinding)Rewinding of tripping / closing coil of 220V DC for 6.6 KV Jyoti make breaker |
| 264 | Vaccum Contactor |
| 265 | Rewinding of 0.4 KV Motors upto 10 KW capacity |
| 266 | Above 1 KW upto 5 KW |
| 267 | Repair of damaged rotor of chain hoist by brazing etc. |
| 268 | Rewinding of following fan motors. |
| 269 | Cabin fan for operator |
| 270 | Replacement of bearing of 0.4KV Motors/DC generators. |
| 271 | Avove 15 KW to 25 KW |
| 272 | Avove 25KW to 175 KW |
| 273 | Maintenance of 6.6 KV Jyoti make Breakers , Power Transformers, 0.4 KV modules, MCC and electrical Panels of CHP |
| 274 | Daily checking of 52 Nos. Jyoti make MOCB/VC and 04 Nos. 6.6/ 0.4 KV Transformer |
| 275 | Dismantling and re-assembly of breaker |
| 276 | Cleaning of complete L.T. Transformer |
| 277 | Cleaning of Transformer yard area and its surrounding |
| 278 | Maintenance of 6.6 KV Bus (Cleaning, checking/ tightness & repairing) |
| 279 | Internal and external cleaning of CHP Electrical Panels, MCCs, DE/DS, JBs, LCCs, LDBs, etc as per scope of work. |
| 280 | Daily checking and maintenance of Siemens make 0.4 KV module of switch gear rooms ACDB-I and ACDB-II as per scope of work. |
| 281 | Routine mechanical and Breakdown maintenance (Main and Reclaim stream) of CHP 3X210 MW, ATPS Anpara |
| 282 | Routine mechanical maintenance and lubrication of equipments of main & Reclaim stream of CHP of 3X210MW units. |
| 283 | Repairing of damaged Impact/ Flat Impact Idler |
| 284 | Repairing of damaged Troughing/ Transition/ Return idler. |
| 285 | Replacement of damaged Impact/ Flat Impact Idler. |
| 286 | Replacement of damaged Troughing/ Transition/ Return Idler. |
| 287 | Repairing of Idler frame/ bracket by cutting, welding and machining |
| 288 | Replacement of damaged frame/ bracket |
| 289 | Servicing/replacement of damaged plumber block/ bearing/ Adopter sleeve |
| 290 | Head Pulley/ Drive Pulley |
| 291 | Gravity Take-Up Pulley |
| 292 | Replacement of damaged pulley |
| 293 | Tail Pulley/ Tripper Pulley |
| 294 | Reposition of shifted pulley shaft |
| 295 | Head Pulley/ Drive Pulley |
| 296 | Tail Pulley/ Magnetic Pulley |
| 297 | Providing mechanical stopper on pulley face to prevent relative movement between hub and pulley. |
| 298 | Dismantling of hub and shaft of damaged pulley and its re-assembly after repair. |
| 299 | Replacement of sheared/ damaged hub bolts of different pulley |
| 300 | Checking of tightness of chuck nut of bearing of pulley. |
| 301 | Repairing of take-up guide and their positioning, strengthening etc. |
| 302 | Replacement of damaged gear coupling |
| 303 | Replacement of damaged jack bolt, jack plate of plumber block motor etc. |
| 304 | Replacement of damaged skirt board rubber of all conveyor and belt feeders |
| 305 | Replacement of damaged rubber of belt scrapper (Head scrapper/ Tail scrapper) |
| 306 | Replacement of damaged rubber lining of back cover plate of skirt board/ rubber of front side of skirt board. |
| 307 | Repairing of scrapper by cutting, welding, and machining etc. |
| 308 | Re-welding of diaphragm plate of various pulleys with drum whenever there is a crack. |
| 309 | Welding of hub of pulley with shaft wherever there is excessive gap between hub and shaft by providing circular ring of MS Plate (10-16mm) |
| 310 | Removal of damaged bolt of skirt board plate and welding of new bolt in position for fixing of skirt rubber. |
| 311 | Fabrication of MS plate with slotted holes for fixing on skirt board plate. |
| 312 | Strengthening of take-up trolley frame of reclaim root. |
| 313 | Repairing/ replacement of take-up trolley wheels and its associated work for reclaim root. |
| 314 | Repairing of Paddle Feeder Blades |
| 315 | Repairing of the blades of the Paddle feeder taking cost of special welding electrodes for PF Blade Tips and hard facing of the PF Blades. |
| 316 | Rate contract for the work of complete rewinding of stator coils, restaggering of core and complete repairing of rotor of different ratings from 180 KW to 800 KW of 6.6KV motors installed in CHP 3x210 MW, ATPS, Anpara |
| 317 | Complete rewinding of stator coils with all new copper coils of class F insulation: 161 KW to 185KW |
| 318 | Complete rewinding of stator coils with all new copper coils of class F insulation: 561 KW to 800 KW |
| 319 | Staggering of stator core: 161 KW to 185KW |
| 320 | Staggering of stator core: 561 KW to 800 KW |
| 321 | Partial repairing of rotors using new set of bars in place of old and damaged bars of rotors including its core staggering (excluding cost of new bars) 180KW |
| 322 | Partial repairing of rotors using new set of bars in place of old and damaged bars of rotors including its core staggering (excluding cost of new bars) 800KW |
| 323 | Fabrication of new rotor bars of above rotor:180KW |
| 324 | Fabrication of new rotor bars of above rotor:800KW |
| 325 | Repairing of rotors with complete set of new copper bars in place of old and damaged bars of rotors including its core staggering (excluding cost of new bars): 180KW |
| 326 | Repairing of rotors with complete set of new copper bars in place of old and damaged bars of rotors including its core staggering (excluding cost of new bars): 800KW Please Enable Macros to View BoQ information |
