Annual Maintenance Contract For The Maintenance And Upkeep Of Equipments; 1 A Material Handling Equipments A1Routine Maintenace Works BUCKET ELEVATOR -120 nos & BUCKET BELT CONVEYOR 1 nos. Plummer blocks: cleaning, Bearings checking / adjustments / greasing; Gear box / geared motor: inspection, oil top up,tightening of bolts; Coupling: checking / tightening / replacement work; Coupling guard: checking / replacement; Tongue plate – inspection / adjustment / replacement; Bucket elevator casing inspection/ any kind of leakage arresting, spillage arresting work / repair; / Discharge pipe leakage arresting.,Bucket belt: checking / alignment / tensioning / shortening if required, Joint inspection / tightening / repair; Buckets:checking / replacement / fixing / tightening; Tensioning stud checking / adjustment /slide plate replacement;Equipment platform & boot area cleaning work. 2 BELT CONVEYORS -90 nos. : Plummer blocks: cleaning, Bearings checking / adjustments / greasing; Gear box / geared motor: inspection, oil topup,tightening of bolts; Coupling/Pulley: checking / tightening / replacement work; Coupling guard / drum guard: checking / replacement; Conveyor Belt: checking / alignment / tensioning / tensioning bolt replacement, Belt joint checking,Carrying idlers / Return idlers / Guide rolls / idler frames: checking / replacement; Skirt board inspection / repair / replacement, Snub drum checking (if required); take-up drumset inspection / maintenance (if required); inspection / adjustment / replacement of scrapper(if required); All kind of leakage arresting work /Discharge pipe checking and corrective action. 3 Screw Conveyors -1nos, Plummer blocks cleaning, bearings checking / adjustments, Bearings greasing, Gearbox checking, Oil top up in gearbox, tightening of foundation bolts of motor & gearbox, Coupling checking / tightening / replacement work, Checking / replacement of coupling guard, Inspection of Screw Flight & casing, Screw & cover plate repair work. 4 Vibrofeeder: Counter Weight adjustment, inspection / repair of tray; 5 Trommel- 1 number Plummer blocks cleaning, bearings checking / adjustments, Bearings greasing, Gearbox checking, Oil top up in gearbox, tightening of foundation bolts of motor & gearbox, Coupling checking / tightening / replacement work, Checking / replacement of coupling guard. Checking the wiremesh. 6 A2 Replacement Works: Material Handling Equipments Head drumset (inclusive of bearing): for elevators 7 Head drum bearing/sleeves/plummer blockreplacement for elevators 8 Bucket belt for elevators / bucket belt conveyors 9 Drive drumset replacement: inclusive of bearings for other equipments 10 Tail drumset / snub drumset / take-up drumset: (inclusive of bearings)for BE and BC wherever applicable 11 Drive drumbearing/sleeves/plummer blockfor belt conveyor 12 Tail drumbearing/sleeves/plummer blockfor BC and BE wherever applicable 13 Idler replacement in belt conveyor 14 Idler frame replacement 15 Buckets replacement in BE or BC 16 Replacement of takeup screw in bucket elevator 17 Bucket Elevator drive modification including fabrication from the old casing-from flat belt to Geared drive 18 Screw flight for screw conveyors 19 Belt conveyor joint preparation 250/350mm per set 20 Belt conveyor joint preparation 600mm per set 21 Conveyor Belt Replacement: Dismantling of old conveyor belt, recoiling and shifting from site to designated area; Shifting of conveyor belt of suitable length from stores/designated area to site, laying of belt of width 250mm / 350mm 22 Conveyor Belt Replacement: Dismantling of old conveyor belt, recoiling and shifting from site to designated area; Shifting of conveyor belt of suitable length from stores/designated area to site, laying of belt of width 600 mm 23 Vulcanizing of conveyor belt of width 250/300 mm per joint (Vulcanising solution shall be supplied by the party) 24 Vulcanizing of conveyor belt of width 600 mm per joint (Vulcanising solution shall be supplied by the party) 25 Spot vulcanizing (Joint repair) (Vulcanising solution shall be supplied by the party) 26 Belt conveyor scraper replacement 27 Trommel Screen mesh preparation and replacement per piece 28 Trommel screen repair/patch up work 29 Replacement of Trommel frame 30 Gearbox oil seal/ pump gland packing replacement 31 Fabrication/Installation/Dismantling of material handling equipment Fabrication of bucket elevator intermediate casing of all size 32 Fabrication of bucket elevator bottom casing of all size 33 Fabrication of bucket elevator top casing of all size 34 Fabrication of belt conveyor frame 250mm/350mm/600mm (includes fixing of idlers/ idler frame) 35 Installation/dismantling of bucket elevator or part 36 Installation/dismantling of belt conveyor or part 37 Replacement of pulleys/couplings of material handling equipment 38 Fabrication and replacement of Feed shutter/inspection door 39 Fabrication of carrying Idler frames of conveyor 40 Fabrication of Blower Impeller 41 B. DRIERS & ACCESSORIES B1Routine Maintenance Works FBD & accessories of MSP – 2 no Dryer Shell , duct line, bag filter: Inspection of dryer shell, bed, duct line, valves, bag filter, Rotary valve checking / maintenance / replacement, checking / replacement of insulators / ropes; opening, inspection and closing of manhole; Blowers Inspection, cleaning and balancing of blowers, Inspection of exhaust blower bearing, pulley, replacement of belts, foundation bolt tightening. Fuel pump system Inspection of oil pump, oil line checking / welding, oil filter cleaning, oil filter gasket replacement, Inspection of valves / replacement. Burner Checking / cleaning / replacement. Air compressor: Inspection of air compressor and accessories, checking air leaks, check drive belts, check/replacement of air filters, drain the condensate,checking of relief valves/replacement. 42 SHAFTDRIER & ACCESSORIES – 5 nos Blower – cleaning, impeller checking & alignment, foundation bolt tightening, pulley checking / replacement, duct line valves checking, lubrication and greasing, oil line filter cleaning, oil line pump foundation bolt tightening, oil line valve inspection, Rope/Cloth replacement, exhaust blower foundation bolt tightening,blower bearing checking, oil pump coupling spider replacement, burner checking / cleaning, manhole – opening for inspection / maintenance and closing/ airlock removal. 43 DIESEL/FURNACE OIL PUMPS – 5 nos Inspection / maintenance / replacement of oil pump, oil filter, valves, oil heater, coupling, spider, foundation bolt, hose pipe 44 B2 Replacement works FBD and Shaft Dryer Replacement of v belt for blowers/pumps/process equipments if carried out separately 45 Replacement of impellers of blower. 46 Replacement of bearing of blowers 1 set. 47 Dismantling & Erection of blowers. 48 Replacement of Heater coils in heater unit of oil pumps up to 6 KW. 49 FBD/Shaft drier burner assembly cleaning and replacement 50 Replacement of fluid couplings 51 B3 Repair & Installation of Structural and Equipment Dismantling, Fabrication and installation of Mild steel Parts including all fabrication related works Dismantling of Damaged Structural work. 52 Fabrication & painting of structural work. 53 Erection of structural work 54 Precision fabrication works including painting 55 Fabrication and Erection of FRP structural 56 FRP handrails 57 Fabrication and installation of FRP platforms 58 Dismantling or Installation of process/other equipments 59 Table feeder Jamming rectification (blockage/wet sand jamming) 60 B4 Refractory works: (Fresh / repair works) Dismantling and relining of refractory as per drawing / as per site requirement excluding supply of materials (which shall be made by IREL at stores) including labour, charges of supervision, moving material from stores, disposal of debris at designated areas, site clearing etc. Inspection of defective / damaged refractory works, assessment and preparation of repair plans in consultation with EIC; Mobilize tools/tackles etc required for refractory works; erection of shuttering, scaffolding & platforms as required; removal of damaged refractory by using pneumatic / electric breakers or manual chipping; erection of temporary supports, shutters and lifting arrangements; fixing of anchors, painting of anchors with black bituminous paints / suitable primers & paint; thorough cleaning of the shell plate by grinding / chipping; Prepare and execute refractory works following prudent quality system – following proper water and refractory mixing ratio, mixing time, pouring, vibrating, curing time as applicable; care must be taken while applying to minimize refractory wastage; carryout the refractory dry out as per the heating curve given by the refractory supplier / OEM.The burner and fuel required will be given by IREL; Removal of shuttering after ensuring the setting of refractory.After completion of work, clear the area by removing all debris, scrap the site and shifting of dismantled refractory material to scrap yard / area assigned. Refractory like fire bricks, insulation brick, insulation block etc 61 Refractory like dense castable, insulation castable etc 62 C1 Routine Maintenance works HIGH TENSION SEPERATORS (HTS) – 10 nos Machine cleaning by blowing out with air, Feed gate cleaning and adjustment, inspection / repair / replacement of feed trash screen, rotor wiping brush inspection / replacement, electrode position checking / adjustment,splitter checking / adjustments, metal hose pipe checking / replacement, V belts / pulleys /springs - checking / adjustment / replacement, rotor bearings checking, greasing of bearings, Metal hose pipe replacement, Rotor and Geared motor Pulley inspection / replacement. 63 ELECTROSTATIC PLATE SEPERATORS (EPS) – 13 nos Machine cleaning byblowing out with air , Plate and electrode cleaning, Feed gate cleaning and adjustment, inspection / repair / replacement of feed screen, electrode position checking / adjustment,splitter checking / adjustments/replacements, feed roller bearing checking / replacement,geared motor checking / oil top up, Feed roller checking/adjustment. 64 INDUCED ROLL MAGNETIC SEPERATORS (IRMS) – 09 nos ( IRMS 5 Nos. and Exolon 4 Nos.) : Machine cleaning byblowing out with air , Feed gate cleaning and adjustment, inspection / repair / replacement of feed screen, rotor wiping brush inspection / replacement, splitter checking / adjustments / replacement, rubberhose pipe checking / replacement, V belts / pulleys / spring -checking / adjustment / replacement, Idler pulley assembly checking / replacement, rotor bearings checking, greasing of bearings, Rotor and Geared motor Pulley replacement, Air gap checking / adjustment. 65 RARE EARTH DRUM MAGNETIC SEPERATORS (REDMS) – 10 nos Machine cleaning byblowing out with air , vibrofeeder feed gate cleaning and adjustment, inspection / repair / replacement of feed screen, splitter checking / adjustments/ replacement, V belts / pulleys / springs - checking / adjustment / replacement, Idler pulley assembly checking / replacement, rotor bearings checking and greasing, Rotor and Geared motor Pulley replacement, inspection/adjustment of fly mass of vibrofeeder, tightening of motor foundation bolts, vibrofeeder bolts and tray bolts, vibratory tray repair / replacement. 66 RARE EARTH ROLL MAGNETIC SEPERATORS (RERMS) – 13 nos Machine cleaning byblowing out with air,Kevlar/PU belt inspection / adjustment / replacement, vibrofeeder feed gate cleaning and adjustment, inspection / repair / replacement of feed screen, splitter checking / adjustments / replacement, rotor bearings checking and greasing, coupling checking / replacement, Rotor and Geared motor Pulley/coupling replacement, inspection / adjustment of fly mass of vibrofeeder, tightening of motor foundation bolts, vibrofeeder bolts and tray bolts. 67 VIBRATING SCREENS – 28 nos : Feed chute box cleaning and adjustment, inspection / repair / replacement of screen mesh, inspection/adjustment of fly mass of vibrofeeder, tightening of motor foundation bolts and vibrofeeder bolts, checking of balls/rope, Repair of screen body / collection trays, replacement of support rod. 68 AIR TABLES – 16 nos : Inspection / adjustment / replacement of cloth by removing top deck, alignment checking, bearings checking / greasing, foundation bolt tightening of motor, blowers and air table structure, deck lifting stud repairing / replacement, drive belt checking / replacement, Drive pulley / Counter weight pulley replacement, blower impeller balancing/ bellows replacement. 69 Auto Samplers- 7 numbers: Inspection/ adjustment/ replacement of plungers, hydraulic powerpacks, hoses, cylinders, solenoid coils, moving arm, motor, replacement/installation of auto samplers 70 C2 Replacement Works Rotor for HTRS / Corona HTS/ IRMS 71 Rotor for Exolon 72 Rotor for REDMS 73 Rotor/Shaft replacement work for RERMS 74 All process equipment splitter replacment 75 ESPS electrode replacement 76 Drive end Bearing of process equipments 77 Non drive endBearing of process equipments 78 Feed Roll of IRMS / ESPS/HTRS 79 Wire electrode HTS 80 Induction Electrode HTS 81 Capacitance Electrode HTS 82 RERMS belt replacement of all sizes 83 Vibrating screen chute replacement 84 Vibrating screen meshes assembling in spare frames of all sizes. 85 Air table Main Shaft replacement with bearing 86 Air table air blower replacement 87 Air table cloth replacement 88 Air table bearing replacement 1 set 89 Reconditioning table top and replacement 90 Air chamber fabrication and replacement 91 fabrication of bottom chamber and replacement 92 Reconditioning offoundation Frame & wooden spring 93 Replacement of Air table wooden spring 94 Reconditioning and replacement ofAir table chute 95 Replacement of pulleys/couplings of process equipments 96 Reconditioning/fabrication of Auto samplers 97 Reconditioning and replacement of brass/coir/fiber brushes in process equipments 98 Magnetic separator pole gap/rotor adjustment/ All process equipment splitter adjustment 99 Trash mesh fabrication and replacement 100 Rotex Gearbox replacement 101 Rotex gear box bearing replacement 102 C3 Reconditioning/Fabrication Works Reconditioning of vibrating screen motors inclusive of bearing replacement and painting 103 HTRS induction electrode fabrication/reconditioning 104 HTRS capacitance electrode fabrication/reconditioning 105 Leak arresting/ fixing or replacement of chutes/pipes/ hoppers 106 Airtable eccentric shaft preparation 107 Airtable blower fabrication /reconditioning 108 Reconditioning of Shaft drier burner assembly 109 RERMS belt/AT cloth/ Screen mesh patch up work/reconditioning work 110 Assissting weigher calibration work/ Load testing of weighers/ inspection of materials 111 Carpentry works for 10 nos for flange gasket/ hammer handle 112 Carpentry works of wooden planks/plywoods/compressed woods 113 DWET CIRCUIT EQUIPMENTS D1Routine Maintenance works PUMPS – 50 Nos Bearing blocks: cleaning, Bearings checking / adjustments / greasing; Pulley: checking / tightening / replacement work / alignment work ; Belt guard: checking / replacement; V belt: checking / alignment / tensioning/ replacement; Tensioning stud: checking / adjustment /slide plate replacement; Pump platform & nearby area cleaning work. Suction & delivery piece / suction components: checking / replacement, bolts tightening. Pump and motor foundation bolts tightening. MDC valve checking, MDC valve checking and pin replacement. CPD tank: Inspection / stilling arrangement checking 114 HYDROSIZER – 3 Nos Water box: inspection / cleaning; spray pipes checking and clearing of spray water holes, NRV’s checking / replacement, check for any leakages in the water box / rectification, cleaning of water filters, check the discharge valve / repair / replacement. 115 WET TABLE – 3 Nos Deck: Inspection / repair, Checking of head motion,Spare parts repair/ replacement like yoke pin, Rocker shaft, Connecting link with bushed Crosshead, Connecting link Pin, Connecting Link stud with nut, Adjusting Block, Adjusting Block Pin, Adjusting Block stud replacement / adjustment, Lube oil top up, Lubrication & Greasing 116 PAN FILTER 3 Nos., SCREW CLASSIFIER & SCREW FEEDER – 2 Nos Cleaning of Pan filter, cleaning of grills,Bearing: Checking / Greasing Gearbox: Checking/ oil topup, Lubrication of drive mechanism Pan filters Gear & Pinion: Inspection/ Greasing. Scroll / Chain / sprocket: adjustment / replacement / lubrication. Vacuum unit: lines / receiver inspection / repair, rubber hose checking / replacement, hose clips checking / replacement, cloth replacement includes preparation. 117 SPIRALS – 108 Sticks Launder discharge cuff bend replacement includes fixing of clamps 118 COMPRESSORS – 5 nos 2 stage reciprocating compressor. Check and replace the air filters,check/replace drive belts, check for leak/damage, check for all valves, Check lube oil, Dain the condensate water from the reservoir, check/replace the safety relief valve 119 D2 Pump reconditioning: Dismantling of pump (warman or other make centrifugal pumps) and its accessories at site, reconditioning, reassembling and fitting the same including suction as well as delivery short pieces as per the standard procedure of OEM or as directed by the EIC. This includes handling / shifting of new / usable, damaged/worn out parts from site to any location inside the plant as per requirement. All consumables, spares, transportation, EME shall be provided by IREL free of cost. If any other grade pump installed by IREL in between the contract which is not included then its nearer value will be given to contractor. Size of the pump upto 3/2 CAH 120 size of the pump upto6/4DAH 121 Vacuum pumps 122 Split casing Water pumps of all sizes 123 Mono block water pumps 124 Submersible pumps 125 Submersibleslurry pump (Toyo) 126 D3 Replacement works Pumps Dismantling of pump and accessories (warman or other make centrifugal pump) from site and replacement of the samewithnew / assembled pump including suction and delivery pieces as per the standard procedure of OEM or as directed by EIC at MSP, HUS and Pump houses, Aramvilai pond. Cost of replacement shall include shifting of equipments (new/assembled) from Central stores / assembly yard or any location within the plant to the required site and shifting of old/damaged equipment from site to designated location for repairing. All spares, EMEshall be provided by IREL free of cost. but size of the pump upto 3/2 CAH 127 but size of the pump upto 6/4 DAH 128 Split casing Water pumps of all sizes 129 Mono block water pumps 130 Vacuum pumps 131 Submersible pumps 132 MDC valce/operating mechanism replacement/repair 133 Suction and deliver short piece/ T piece/suction pipes replacement 134 Bearing assembly of pumps upto 3/2 or equivalent 135 Bearing assembly of pump upto 6/4 or equivalent 136 VALVES Dismantling & Erection of Metallic / Non metallic valves / NRV / foot valves at all elevations as per the scope of work with gasket (If only dismantling or only erection is there, only half the amount will be sanctioned.) Valve Size 15mm - 90mm NB 137 but size 100 mm – 250 mm NB 138 but size above 250 mm – 400 mm NB 139 Hydrosizer Teeter water pipes replacement 140 Feed well replacement along with all supporting pipelines 141 Wet Table Replacement / repair / overhauling of head motion mechanism 142 PAN Filter Filter cloth replacement 143 Size upto 200mm 144 Size above 200mm to 400mm 145 2 stage reciprocating compressor head replacement 146 Hydrocyclone : Apex valve replacement 147 Hydrocyclone : Reconditioningincluding fabrication work 148 Hydrocyclone Replacment 149 Replacement of spiral launder 150 Screw classifier screw replacement work inclusive of bearing 151 D4 PIPE & FITTINGS Fabrication of HDPE fittings: Measuring, marking, cutting and fabrication of HDPE short piece, bend, Tee etc of all sizes using the infrastructure available at MSP for fabrication of HDPE items. All spares, EMEshall be provided by IREL free of cost. Party to provide adequate manpower with HDPE welding infrastructure, required tools & tackles to carry out job. Payment shall be made per joint basis for different sizes of pipes & Fittings. 152 Fabrication of split Collar Clamps for HDPE pipe 153 Fabrication of Metal clamps for cuff bends/ flanges 154 HDPE pipe/collar joining using mirror welding 155 Fabrication of Metal shortpiece/Reducer 156 Fabrication of Short piece with HDPE insert for pump: Measuring, marking, cutting and fabrication of Metal short piece, bend, Tee etc with HDPE pipe inserted of all sizes using the infrastructure . All spares, EMEshall be provided by IREL free of cost. Party to provide adequate manpower with HDPE welding infrastructure, required tools & tackles to carry out job. Payment shall be made per joint basis for different sizes of pipes & Fittings. 157 HDPE PIPE LINE WORKS of all sizes Replacement ofprefabricated HDPE pipes / rubber hosesand fittings including erection by bolts and nuts at all levels including proper supporting system as per drawing or as directed by EIC. If any valves need to be erected during the erection process, as a part of piping system, shall be deemed inclusive. This also includes opening and refitting of pipes for checking/choke cleaning purpose. All spares, EME shall be provided by IREL free of cost. Party to provide adequate manpower with required tools, tackles and consumables to carry out job. Payment shall be made as per linear meter length basis for different sizes of pipes. Fittings and valves shall be calculated on linear meter length basis. If the size pipes are not in the list the nearer size value will be paid to the contractor. Pipe size upto 90mm NB 158 Pipe size above upto 160mm NB 159 Material handling hose size upto 80 mm NB 160 Material handling hose size above upto 200 mm NB 161 E1 Replacement of drive Motor For Pumps, Blowers, Driers/ other equipments-electric motor rating upto 7.5 kW 162 but rating above upto 22 kW. 163 but rating above upto 45 kW 164 but rating above 45 kW 165 For Elevator, rating of motor / geared motor 1.1 kW to 5.5 kW 166 For other material handling equipments / process equipments, rating of geared motor / motor upto5.5 kW 167 but ratingabove 5.5 kW to 15 kW 168 but rating above 15 kW 169 Forvibrating feeder, Vibrating screens & other equipments - Vibromotors upto 0.75 kW 170 Forvibrating feeder, Vibrating screens & other equipments - Vibromotors rating above 0.75KW to 2.92 kW 171 E2 Replacement of Gear Boxes For elevators the type of gear box 3NU/4NU or equivalant 172 For Elevators the type of gear box U 500 or equivalent 173 For belt conveyor the type of gearbox 3NU/4NU or equivalent 174 For belt conveyor the type of gearbox U500/U600/U700/U800/U1000 or equivalent 175 For other equipments-the type of gear box model V600 or equivalent 176 F1 General Works Gas cutting Works (CI / MS / SS); (Cutting gases and Gas cutting set to be arranged by the party). Scrap generated if any is to be shifted to scrap yard. 177 Welding works (CI / MS / SS) (Welding electrode and machines to be arranged by the party). Scrap generated if any is to be shifted to scrap yard. 178 Any size electric hoist - erection / dismantling and shifting to designated places. 179 Any size electric hoist/chain block reconditioning work 180 Pipe line modification and replacement up to 50 mm NB (old or new metal pipes). 181 Pipe line modification and replacement above 50mm up to 150 mm NB (old or new metal pipes). 182 Duct line modification and replacement above 150mm upto600 mm NB (old or new metal pipes) 183 Overhauling of Gear Boxes Overhauling of gear boxes (other than U series) / geared motor of all sizes 184 Overhauling of gear boxes U/V series or Rotex equivalent 185 Overhauling of any size / type of Valves / NRV / Rotary union, Chain. 186 Spares Assembling Slurry pumps bearing unit Assembling and testing of size upto 4/3 187 Slurry pumps bearing unit assembling and testing of size 6/4 188 Bucket belt preparation: Shifting of belt from Stores to designated area, sizing of belt, dismantling of reusable buckets from old belt / new buckets from stores / fixing of buckets using bolts & gaskets, rolling and stacking of bucket belt. 189 Bucket Elevator and Belt conveyor drum setting of all sizes. 190 Slurry pump / water pump and drive motor base frame fabrication and painting. 191 Gear box / geared motor frame/motor frame of all sizes – fabrication and painting. 192 Chutes, feed box, discharge pipes, skirt boards, collection boxes, wiper / scraper, collection tray – fabrication, painting and fixing. 193 Belt guards of all sizes – fabrication, painting and fixing in equipments. 194 Coupling guards of all sizes – fabrication, painting and fixing in equipments. 195 Tail drum guards for belt conveyors of all sizes - fabrication, painting and fixing. 196 G MachiningWorks Repair & machining work of shaft of size up to 50mm 197 but size more than 50 mm to 100 mm 198 Key way machining for shafts of size up to 50mm 199 but for shafts of size more than 50mm to 120mm 200 TL Bush / Coupling / Sprockets – boring of size up to 65mm & keyway machining. 201 Bucket elevator / Belt conveyor / Bucket belt conveyor - drum surface repairing & crowning. 202 Repairing, static and dynamic balancing of blower impellers. 203 MS Sheet / plate bending & rolling works of thickness up to 12mm 204 Thread repair/preparation work 205 Flange preparation all material includes cutting and machining 206 FBD Nozzle holder repair work 207 HTRS/Exolon/IRMS/RERMS shaft replacement and repair work includes welding 208 Scrap cleaning/ material shifting/ Unloading 209 Material management at mechanical Worksop 210 H Shift Maintenance Works Deployment of maintenance personnel per shift at MSP & HUP on as and when required basis to carry out all type shift maintenance works & other continuous shift works in second and third shiftto run the plant smoothly as per instruction of EIC / Shift in charges in A, B & C - Shifts should be Four (04) in which one (01) should be a supervisor, one(1) should be a welder and others capable to execute all type of maintenance works in second and third shifts. Note:Any miscellaneous jobs for the plant operation in A, B & C-shift is to be carried out by the maintenance personnel on as and when required basis as per instruction of EIC / shift in charge. The work which is carried out during 08.00Pm to 06.00Am will be coming under shift maintenance works.
