e-Tender for ARC of Miscellaneous Mechanical Maintenance jobs for the year 2020-21

Amount

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.

CARBON STEEL PIPING

Up to & including Sch.40

Above Sch. 40 up to & including Sch.80

Above Sch. 80

STAINLESS STEEL. PIPING

Up to & including Sch.40

Above Sch. 40 up to & including Sch.80

Above Sch. 80

ALLOY STEEL PIPING

Up to & including Sch.40

Above Sch. 40 up to & including Sch.80

Above Sch. 80

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

CARBON STEEL PIPING

Up to & including Sch.40

Above Sch. 40 up to & including Sch.80

Above Sch. 80

STAINLESS STEEL. PIPING

Up to & including Sch.40

Above Sch. 40 up to & including Sch.80

Above Sch. 80

ALLOY STEEL PIPING

Up to & including Sch.40

Above Sch. 40 up to & including Sch.80

Above Sch. 80

Erection of GI/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.

Up to Sch. 20

Above sch. 20 up to & including Sch.40

Above Sch. 40.

Straight, Gas/Electric Cutting of M.S.

Plate thickness up to 4 mm

Above 4 mm up to 6 mm

Above 6 mm up to 10 mm

Above 10 mm up to 14 mm

Above 14 mm up to 20 mm

Above 20 mm up to 24 mm

Above 24 mm up to 30 mm

Above 30 mm up to 50 mm

Straight cutting with Electric of S.S. Plate

Plate thickness up to 4 mm

Above 4 mm up to 6 mm

Above 6 mm up to 10 mm

Above 10 mm up to 14 mm

Above 14 mm up to 20 mm

Above 20 mm up to 24 mm

Above 24 mm up to 30 mm

Straight welding for repair of CS plate of pipe for making hoppers etc. including erection if required.

Plate thickness up to 4 mm

Above 4 mm up to 6 mm

Above 6 mm up to 10 mm

Above 10 mm up to 14 mm

Above 14 mm up to 20 mm

Above 20 mm up to 50 mm

Straight welding for repair of SS plate of pipe for making hoppers etc. including erection if required.

Plate thickness up to 4 mm

Above 4 mm up to 6 mm

Above 6 mm up to 10 mm

Above 10 mm up to 14 mm

Above 14 mm up to 20 mm

Fabrication of CS Pipe bends up to Sch. 80 by sand filling and heating.

Fab of SS Pipe bends up to Sch. 80 by sand filling and heating.

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

Above 18" dia up to 24" dia.

Above 25-64 kg/cm2

Above 64-100 kg/cm2

Above 24" dia up to 36" dia

Above 25-64 kg/cm2

Above 64-100 kg/cm2

Above 36" dia up to 60" dia

Above 25-64 kg/cm2

Above 64-100 kg/cm2

Above 60" dia up to 108" dia

Above 25-64 kg/cm2

Above 64-100 kg/cm2

Above 108" dia

Above 25-100 kg/cm2

Opening of end covers of surface Condensers at all elevations, removing and re-erection of the same after 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

60" dia up to & including 80"dia.

Above 80"dia up to & including 100"dia

Above 100"dia up to & including 120"dia

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 seat and boxing up with new gasket. Cranes shall be given by NFL free of cost.

Opening, making gap in the flanges, manholes of all sizes and boxing up of the same with new gasket etc.

For up to 600 lbs rating

For above 600 lbs rating

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

Opening and boxing up of bolts and nuts for different sizes (other than the flanges of vessels 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

Bolt size up to 12 mm

Bolt size above 12 mm up to & including 20 mm.

Bolt size above 20 mm up to & including 32 mm.

Bolt size above 32 mm up to & including 50 mm.

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.

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

MS /CS Plate

S.S. Plate

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

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.

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.

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.

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.

Dismantling up to 600 lbs rating.

Dismantling above 600 lbs. rating.

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.

Re-fixing up to 600 lbs. rating.

Re-fixing above 600 lbs. rating.

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

From store to plant or back to store

From one plant to other plant

Within the plant from ground level to all elevation & vice versa.

From W/Shop, Stores, Plant to R.W.F. Plant/T/Ship and vice versa

From W/Shop, Stores, plant to Final treated pond pump house and vice-versa.

Replacement of ID Fans Blower motor UGB-304 A~D at the top of prilling tower. The job involves removal of top skirt, fan, motor and fixing back the overhauled motor and also shifting of motor, fan, skirt etc from ground floor to top of Prilling Tower

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.

Fabrication of all types of CS flanges by gas cutting only.

Upto & including 13 mm thick

Above 13 mm thickness

Testing of Intercooler, oil cooler of IGB 101, 102, 104, AGB-601,AGC-601, BFW section AGA-701A & B , UGA-102 A/B.

Removal of Inter Cooler from position, opening of end covers, making arrangement for hydraulic testing, plugging of leaky tubes and installation there after.

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.

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.

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

Piping upto 2'' NB

Piping above 2'' NB and upto 6'' NB

Piping above 6'' NB

Cooling Towers CT1, CT2 & CPP Cooling Towers.

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

Replacement of Oil Seal of Cooling Tower Gear Box in Situ.

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

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.

Placement of chlorine gas cylinder on the chlorinator stand with chain block and removal of empty cylinders at CT1 &CT2 area / CPP area.

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

Replacement of pump and motor

Replacement of pump only

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.

Replacement and alignment of Johnston Turbine pump-MGA-323. Motor rating 110 KW, suspended length about 5 Meter.

Replacement and alignment of SAM pump "Vertical" Motor = 30 KW, suspended length 3.2 Meter

Replacement and alignment of SU pump Vertical, Motor rating 11 KW, suspended length 2 Meter.

Shifting and replacement of Filter Bed Valves and return of old valve to plant workshop

Shifting and replacement of Filter Bed Air Line Valves / Clarifier Drain valve and return of old valve to plant workshop

Shifting of Gear Boxes / Air Blower / Sludge Pump to Raw Water Filtration plant or vice versa

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.

CFD Bed wire mesh replacement after tightening with screws on pad plates including drilling/ welding on C.S./ S.S. plates where ever required.

Stitching of CFD wire mesh on perforated plates with GI wire. Wire mesh and GI wire shall be provided by NFL free of cost.

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 the directed by Site Engg.

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.

Strengthening of CFD support beam by inter connecting with flats, channel with welding etc.

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.

Screw type nozzles of size upto 1".

Flange type nozzles of sizes upto 3".

Removal of air cooler of Kobe Compressor& then refixing after maintenance.

Erection and dismantling of scaffolding for various heights inside/ outside boiler furnace steam/ start up heater or any other vessel including pipe racks etc. which includes safe approach by ladder and intermediate stay to carry out the work.

Below 10 Meter height

Above 10 M and below 25 M

Above 25 M height

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 no is 12 Sq. M

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.

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.

Cleaning of equipment such as pumps, compressors, Blowers, Centrifuges, Heat Exchangers internals, Bowl mills , Crushers & ID, FD Fans during overhauling/ maintenance.

Opening & boxing up of granulator at PT for cleaning with proper safety precautions and as per the instruction of Engineer-in-charge.

Shifting of oil filed Drum to Pump House / Compressor House / Centrifuge floor at all floors.

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

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

Without removing coupling.

Removing / replacement one or both coupling a. Crane, Trolley etc. required from the job will be provided by NFL free of cost.

Replacement of Ammonia Feed Pump gearbox with coupling. Job includes bolts 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 up to

Replacement of motor (Mechanical part) of Worthington pump MGA 311 ABC at pond No.1 including Shifting from store to site back.

Sleeve replacement of Worthington turbine pump MGA - 311,after removing motor, gland repacking and fixing the motor back.

Clamping on leaky steam water / alkali / Air /amdea/nitrogen/process gas/solution/ Dilute acid lines at max. pipe rack elevation ground level after fabrication.

Piping 1/2" NB-4"NB

Piping 6" NB-8"NB

Clamping of CT1 CT2, 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.

Removal, repair by welding & refixing of CT1 & CT2 and CPP- CT channel strainer.

Gland packing of pumps/valves in DM plant, Final Pond, ETP,. FP area, RWFP: Urea plant etc.

Replacement of sludge pumps at RWFP including shifting from store & back, alignment of pump with motor belt driven & air scoring blower at RWFP.

Replacement of Final disposal pond No. 3 pump house-C, including aligning after shifting from workshop/store /back.

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.

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 .

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

Without removing coupling .

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.

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.

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

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

Track Chain Link Pin replacement including removal of existing pin, installation of new pin and welding of the same of dozer

Servicing of Crane and other Heavy Earth moving equipments. Job includes replacement of all filters of air, L.O, diesel and hydraulic oil system including replacement of Lubricating/ hydraulic Oil. Greasing of all greasing points adjustment/ replacement

Servicing of dozer D80- A 12

Servicing of P&H 75 Te crane

Servicing of Coles crane 12T

Service of escorts hydra cranes 8 Te cap,

Service of escorts hydra cranes 3 Te cap,

Servicing of potable Air compressor engine

Servicing of potable Diesel Welding sets

Servicing of locomotive engine WDS-4 model.

Cleaning of radiator of dozer, Job includes removal 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.

Cleaning of air filter of dozers, Job includes removal of of filter elements and cleaning of the same with air and boxing up back.

Extension & Reduction of boom 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

Removal & Fixing of Jib of 120 Ton Kato Crane and fixing it back at its position

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

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

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.

Cleaning of Lube Oil cooler including removal and re-fixing in Mill.

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

Removal of Worm Shaft assembly & fixing back new/ overhauled assembly and blue matching with worm wheel. Alignment up to the desired level

Driven & non drive ends side gland packing of worm shaft assy .

Replacement of Complete Coupling replacement of Mill to Motor or Mill to Exhauster side and alignment after that up to the desired level.

Replacement of One half Coupling replacement of Mill to Motor or Mill to Exhauster side and alignment after that up to the desired level.

Replacement of complete set of 8 nos coupling bolts of mill / motor and mill / exhauster coupling.

Replacement of one coupling bolts of mill / motor and mill / exhauster coupling.

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.

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.

Replacement of Scrapper of Bowl mill. Job includes removal of old scrapper and fixing back the new/ repaired scrapper

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.

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

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.

Adjustment of Grind Roll gap with bowl with the adjustment of spring assy etc and cleaning of internals.

Overhauling of spring assy. Job includes dismantling of spring assembly, cleaning and inspection of its parts. Boxing up the assembly with old/ new parts.

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..

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.

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

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 requirement and fixing back the new/ repaired converter head. Material

Alignment between Motor and Mill with Dial Gauge up to recommended level and as per the instruction of Engineer-in-charge.

Alignment between Mill and Exhauster with Dial Gauge up to recommended level and as per the instruction of Engineer-in-charge.

Taper matching of bowl hub with the shaft up to the recommended level and as per the instruction of Engineer-in-charge.

Taper matching of gear hub with the shaft up to the recommended level and as per the instruction of Engineer-in-charge.

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

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

Rotation of distributer out let P.F. Pipes 300 dia to 180 0 after opening the coupling.

Picking of Stones / Metallic Pieces from Bowl Mill after opening the mill inspection covers.

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.

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.

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.

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.

Replacement of End cover Liners of Exhauster during overhauling, Job includes, open& Box-up of suction elbow and end cover

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)

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.

Per set of 14 liners, along with repair of liner’s upper casting

Per liner (Total payable amount shall be restricted to the quoted cost per Set)

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.

for complete set of liners (consisting of 14 pcs.)

for per liner (Total payable amount shall be restricted to the quoted cost per Set)

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).

Replacement of Suction Elbow. Job includes removal of the old suction elbow, opening the Victaulic coupling, fixing the new elbow and box up.

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

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

Replacement of ED Valve. Job includes replacement of exhauster neck, removal of ED valve Assy. and fixing the new assy. back in position.

Replacement Of Refill Distributor (Big). Job includes removal of flange joint, removal of old distributor (1 No.),fixing the new distributor in position & boxing back of the flange joint and Victaulic coupling joints.

Replacement Of Refill Distributor (Small). Job includes removal of flange joint, opening of Victaulic coupling. Removal of old distributor, fixing the new distributor in position and boxing back of the flange joint and Victaulic coupling joints.

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.

Per distributor Assy.(set of 2 nos.)

Per Element (Total payable amount shall be restricted to the quoted cost per Set)

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.

Per distributor assy. (set of 4 nos.)

Per Element (Total payable amount shall be restricted to the quoted cost per Set)

Replacement of Pulverised 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

Replacement of Pulverised 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 making elbow from pipe marking, cutting edge

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.

R.C. Feeder flapper repair job includes removal of flappers and fixing back after repair.

Replacement of RC Feeder Chain / Clinker Grinder Chain.

Replacement of RC Feeder PIV Gearbox.

Adjustment of speed variation of PIV Gear box of RC Feeder

Replacement of Eddy Current coupling gear box of RC Feeder.

Replacement of RC Feeder clutch.

Replacement of Feed Roll Spider assembly complete.

Replacement of Feed Roll blades set. (one set of Eight Nos.).

Replacement of hinge gate assembly of R.C. Feeder.

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.

Gas cutting of Boiler surface/ skin casing repair of MS sheet up to 6.0 mm thk. at all elevation.

Welding of Boiler surface/ skin casing repair of MS sheet up to 6.0 mm thk. at all elevation..

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

Replacement of leaky tube piece of super heater of varying lengths and 44.5 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.

Replacement of leaky water wall tube piece of varying lengths and 63.5 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.

Replacement of leaky Economizer tube piece of varying lengths and 63.5mm 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.

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 and Minor repair/rectification if required shall be carried by contractor.

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.

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.

Repair of water wall, super-heister and economiser tubes by overlay welding.

Buffing of cleats, welding portion for D.P. Testing up to the satisfaction of Engineer-in-charge.

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.

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.

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.

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.

Replacement of air Nozzles.Removal of the old worn out air nozzle assy. 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.

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.

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.

Replacement of Hot Elements having height 42” or (30” + 12”) and repair of grill and box as per requirement – Type- A

Replacement of Hot Elements having height 42” or (30”+ 12”) and repair of grill and box as per requirement - Type – B

Replacement of Hot Elements having height 42” or (30” + 12”) and repair of grill and box as per requirement - Type – C

Repair of Inlet Duct

Replacement of Hot End Elements having height 12” or 8”only Type - A

Replacement of Hot End Elements having height 12” or 8”only Type – B

Replacement of Hot End Elements having height 12” or 8”only Type – C

Complete job having replacement of Hot End Elements height 42” or (30” + 12”) Type- A, B & C (12 Nos. Each) and repair of grill and box as per requirement

Repair of Grill and cold element box of Air Preheater

Removal of struck up Wall 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 and re

Removal of struck up Long 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.

Complete overhauling of Wall 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.

complete overhauling of Long 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.

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.

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

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 .

Repair of in side system ESPs after making scaffolding where ever required. Cutting and welding , if required, shall be in the scope of contractor

Dismantling/removal the collecting Electrodes plates of ESP.

Erection of new/repaired collection plate.

Dismantling & removal of Emitting Electrode

Installation of Emitting Electrode

Replacement of rapping hammer outer Arm.

Repair & Replacement of Drive Shaft

Inspection/ Replacement of Plain Bearing of Ropping Drive Shaft

Repair/Replacement of Guide rods (Tie rod)

Repair Replacement of shock bar

Replacement of Shock Bar

Replacement of Screw Scrapper of Insulator of Rapping Drive for Emitting electrode

Repair & Replacement of Rapping drive Assy

Opening & Boxing up of Fluidising Pads (Porous Tiles) of Fly Ash Hopper

Opening & Boxing-Up of B-B sleeve Coupling Size150 mm dia

Opening & Boxing-Up of B-B sleeve Coupling Size 175 mm dia

Opening & Boxing-Up of B-B sleeve Coupling Size 200 mm dia

Opening & Boxing-Up of B-B sleeve Coupling Size 300 mm dia

Opening & Boxing-Up of B-C Adopter Sleeve Coupling Size 150 mm dia

Opening & Boxing-Up of B-C Adopter Sleeve Coupling Size175 mm dia

Opening & Boxing-Up of B-C Adopter Sleeve Coupling Size 200 mm dia

Opening & Boxing-Up of B-C Adopter Coupling of Size175 mm dia

Opening & Boxing-Up of B-C Adopter Sleeve Coupling of Size200 mm dia

Opening & Boxing-Up of B-C Adopter Sleeve Coupling of Size300X200 mm dia

Rotation of CI Fly Ash pipeline(max length 5 m) Size150 mm dia

Rotation of CI Fly Ash pipeline(max length 5 m) Size175 mm dia

Rotation of CI Fly Ash pipeline(max length 5 m) Size200mm dia

Rotation of CI Ash Slurry pipeline Size200mm dia

Replacement of CI Fly Ash pipeline(max length 5 m) Size150 mm dia

Replacement of CI Fly Ash pipeline(max length 5 m) Size175 mm dia

Replacement of CI Fly Ash pipeline(max length 5 m) Size200 mm dia

Replacement of CI Fly Ash pipeline(max length 5 m) Size300 mm dia

Replacement of CI Reducer size175X150 mm dia

Replacement of CI Reducer size 200X175 mm dia

Replacement of CI Reducer size 300X200 mm dia

Replacement of C.I. Elbow long radius, size 150 mm dia 900.

Replacement of C.I. Elbow long radius, size 175 mm dia 450.

Replacement of C.I. Elbow long radius, size 175 mm dia 900.

Replacement of C.I. Elbow long radius, size 200 mm dia 450.

Replacement of C.I. Elbow long radius, size 200 mm dia 900.

Replacement of C.I. Elbow Flanged long radius, size 200 mm dia 450.

Replacement of C.I. Elbow Flanged long radius, size 200 mm dia 900.

Replacement of C.I. Elbow of Vacuum Breaker, size 200 mm dia 900.

Replacement of inlet/outlet Elbow of Air Separator Tank size 200 mm dia 900.

Replacement of C.I. Elbow long radius size 300 mm dia 300.

Replacement of C.I. Elbow long radius size 300 mm dia 450.

Replacement of C.I. Elbow long radius size 300 mm dia 900.

Replacement of C.I. Lateral size 175 mm dia 450.

Replacement of C.I. Lateral size 300 mm dia 450.

Replacement of C.I. Lateral size 200 mm dia 450.

Replacement of C.I. Lateral size 200x200x300 mm dia 450.

Replacement of C.I. Lateral size 200x300x300 mm dia.

Replacement of C.I. Equal Tee size 175 mm dia.

Replacement of C.I. Equal Tee size 200 mm dia.

Replacement of Expansion joint size 200 mm dia.

Replacement/Repair of Air Intake valve size 150 mm dia.

Replacement/Repair of Hand operated knife edge gate isolation valve of fly ash hopper size 300 mm dia.

Repair and replacement of Ash Extraction valve (Ash Intake valve) size 150 mm .

Repair and replacement of Ash Extraction valve (Ash Intake valve) size 175 mm.

Replacement of Valve body along with disc of Ash Extraction valve size 150 mm.

Replacement of Valve body along with disc of Ash Extraction valve size 175 mm.

Replacement of Intake piece of Ash Extraction valve size 150 mm dia.

Replacement of Intake piece of Ash Extraction valve size 175 mm dia.

Replacement of Fly Ash Isolation valve (Header valve) size 150 mm dia.

Replacement of Fly Ash Isolation valve (Header valve) size 175 mm dia.

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 of valve after repair.

Repair/replacement of vacuum breaker assembly size 150 mm dia.

Replacement of Exhauster hydro vector assembly size 200mm dia (approx wt 400 Kg)

Replacement of CI water manifold (Throat) for exhauster hydro vector size 200 mm dia

Replacement of CI Combining tube (tail piece) for exhauster hydro vector 200mm dia

Replacement of Segment of air separator tank SGP ( approx. wt. 175 Kg.)

Replacement of Segment of air separator tank CPP ( approx. wt. 125 Kg.)

Replacement of hydraulic ejector assembly (Jet pump assy.) of bottom Ash System (approx. wt. 275Kg.)

Replacement of Inlet piece of hydraulic ejector of bottom ash system.

Replacement of Combining tube of hydraulic ejector of bottom ash system.

Replacement of Butter Fly Valve, size 300 mm dia.

Replacement of Knife edge plate valve size 300 mm dia.

Replacement of Bearing of Clinker Grinder including related job i.e. gland packing and gear/sprocket removal and fitting etc. of SG Plant.

Clinker grinder bearing replacement including related job i.e. gland packing and gear/sprocket removal and fitting etc. of CPP boiler.

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

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 including fixing and alignment of belt up to the required level.

Replacement of peep hole assembly, job includes, removal of old assembly, refixing of new peep hole assembly after repair of holding plates if required.

Fab & Fixing of clamps on Ash Slurry/ water Line/ Carbon Slurry line 16" dia.

Fab & Fixing of clamps on Ash Slurry/ water Line/ Carbon Slurry line 12" dia.

Fab & Fixing of clamps on Ash Slurry/ water Line/ Carbon Slurry line 10" dia.

Fab & Fixing of clamps on Ash Slurry/ water Line/ Carbon Slurry line 8" dia.

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.

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 including aligning up to the required level and coupling with pump.

Replacement of Balance Valve, Combined seat of A.W.P

Replacement of Victaulic coupling gasket Job includes opening of the vitriolic coupling joint of old gasket, fitting new gasket and boxing back.

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

Replacement of Clinker Grinder Gearbox.

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 .

Replacement of gland packing in Pumps/Agitators/Blowers/Gear Boxes etc. per shaft diameter above 3" dia, pr. Rating up to 15 kg./cm2 .

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 .

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 .

Replacement of gland packing in valves rates as per stem up to and including 1" Diameter, Pressure rating up to and including 20kg/cm2 .

Replacement of gland packing in valves rates as per stem up to and including 2" Diameter, Pressure rating up to and including 20kg/cm2.

Replacement of gland packing in valves rates as per stem up to and including 1" Diameter, Pressure rating up to and including 21 to 100 kg/cm2.

Replacement of gland packing in valves rates as per stem up to and including 2" Diameter, Pressure rating up to and including 21 to 100 kg/cm2.

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 work

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 w

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

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

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

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 a

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

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.

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

Overhauling of Gear Box of Belt Conveyor (Small) such as ET-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.

Re-alignment of motor to gear box and head end pulley of conveyor no 1,5,6, ET-2 and ET-4. After removal of fluid coupling and refixing of coupling after alignment.

Realignment of motor, gear box and head pulley of conveyor no 3,4,7,ET-1.3,5 and 6.

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.

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.

General Checking of paddle feeders of ET-1, Conv. 2 & 4,Wagan Tippler. 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.

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.

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.

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.

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.

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.

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 & providing of jack bolt if required.

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.

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.

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, fixing of new pulley in position. Alignment of the gear box and box up back

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, fixing of new pulley in position. Alignment of the gear box and box up back

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, fixing of new pulley in position. Alignment of the gear box and box up back

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.

Replacement of 600 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.

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, fixing of new pulleys with bearings.

for 800 mm width conveyor 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, fixing of new pulleys with bearings.

for 1000 mm width conveyor 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, fixing of new pulleys with bearings.

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.

Up to 25 mm dia

Above 25 mm dia up to 50 mm dia

Above 50 mm dia up to 75 mm dia

Above 75 mm dia up to 85 mm dia

Above 85 mm dia up to 90 mm dia

Above 90 mm dia up to 100 mm dia

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Clip Jointing of 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.

Clip Jointing of 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.

Clip Jointing of 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.

Clip Jointing of 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.

Clip Jointing of 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.

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

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

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.

Replacement/ repair of the bracket assembly replacement/ repair of the bracket and boxing up back in position with rollers.

Replacement with new or repaired impact pads bracket including re-centring of belt.

Replacement of coal chute plates by cutting and welding.

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.

Fabrication and installation of side Rubber Skirts on convertor including repair of skirts holders.

Replacement of side skirt rubber portion only.

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.

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.

Fabrication of deck plate for Conveyors out of M.S. plates thickness 3 mm to 6mm and sizes 1500 x 1100 mm by cutting and welding. MS plate shall be provided by NFL free of cost.

Fabrication of deck plate for Conveyors out of M.S. plates thickness 3 mm to 6mm and sizes 1400 x 1100 mm by cutting and welding. MS plate shall be provided by NFL free of cost.

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.

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.

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.

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 and

Complete overhauling of hammer Crusher (HC). Job includes Assy. of rotor from old / new parts then boxing up the crusher with new / old spares, correction of bearing base, fixing of chutes in position, alignment of rotor and motor and fixing up of Flanges etc

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.

Complete set of crusher hammers (toothed and ring )set of 56 pcs.

Per hammer (total payable amount should not exceed the amount payable for set.

Replacement of cage bars (set of 9 Nos.).

Replacement of per No. cage bar.

Replacement of Screw plate.

Replacement of cage breaker plate.

Replacement of crusher & motor.

Replacement of out board Bearing Crusher in Coal Handling Plant. Job includes Lifting the 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

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

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.

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.

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.

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.

APH Gearbox Replacement: Decoupling both sides of gearbox and removal 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.

Replacement of Reduction gearbox of Boiler-1 RC feeder: Replacement of installed complete 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.

Replacement of wrapping motor gearbox: Replacement of installed complete 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.

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.)

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.

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

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.

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.

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.

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.

Replacement of Drive shaft Coupling bush of Wagon Tippler.: Removal of damaged bushes, cleaning the bush bore properly and installing new set of bushes and torquing to required value.

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.

Replacement of worn out rubber pads of wagon support beam: Removal of damaged pads and installing new pads and securing it by proper bolting. Total pads are 45 Nos.

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.

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.

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.

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.

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.

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.

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

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.

Replacement of GTG combustion air jet pulse filter elements : Job Includes opening of filter tie rod bolts, removal of old filter elements and proper installation of new filter elements.

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.

Compressor washing system connection & disconnection: GTG compressor washing skid connection and disconnection as required.

Replacement of GTG combustion air heppa filter elements: Job Includes opening of easyclip & removal of old filter elements and proper installation of new filter elements with proper anchoring of easy clip.

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.

Diverter/Gullotine damper 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.

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.

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.

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

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.

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.

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.

Replacement of HP valves and fittings of size 8"-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.

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.

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.

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.

Replacement of filter elements of Scanner fan: Job Includes Removal of filter and replacement with spare one.

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.

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.

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.

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.

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

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.

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.

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.

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.

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

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

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

MOBILE CRANES

Tata crane, Kato Crane, Etc. 75 T to 120 T

Hydra Cranes, Coles crane, Etc. 3T to 12.5 T

EOT CRANES

CPP T.G. House 45 T

CPP T.G. House 15 T

Ammonia Compressor house 25 T

Ammonia Compressor house 5 T

Urea Compressor house 20 T

Urea Centrifuge and Bagging Plant 3T

O & U Compressor House and Urea Plant 5T

Central Work Shop 10 T

ELECTRICAL CRANE HOISTING

CPP Ash Slurry Pump House 7.5 T,CPP 36 Mr, SGP AWP House 5T

Urea Reactor,SGP &Coal Handling Plant 3T (2No),RWFP (Alum House) .5 T 1No.,ACB Lift Trolley in Ammonia and O&U Plant (3No.)

MONO RAIL CHAIN PULLEY BLOCKS

CPP & SGP 5T

In various plants 3T(19 No.),Ammonia 2T(5No.),O&U/ETP/D.G.set 1T (3no.),CPP APH .5T (1No.)

CHAIN PULLEY BLOCKS

Chain Pulley Blocks .5T to 2T at different locations in the plant

Chain Pulley Blocks 3T to 10T at different locations in the plant

Jib Cranes, Fabricated Jhoola, Mech. Winch, V Groove Pulleys at different locations .5T to 5T

D Shackle 2T to 25T (106 N0.)

Wire Ropes .5T to 50 T (167No.)

Lift (P.Elvt.) CPP & Urea .4T to .884 T (Two times in a Year)

Hand Lifting Table, Pallet etc

PRESSURE VESSELS TESTING

Examination and Testing of Pressure Vessels at different locations Ammonia,Urea,DM Plant etc. and Certification by competent Person approved by Director of Factories Punjab. Scope of Work for Pressure Vessel Testing job is as per Annexure I

Labour rate for Welder ( IBR)

Labour rate for Welder (Non IBR)

Labour rate for Gas cutter

Labour rate for Rigger

Labour rate for Fitter

Labour rate for Auto Electrician

Labour rate for Semi Skilled

Labour rate for Unskilled

Labour rate for Crane operators for 3 Te th 15 Te cap Crane

Labour rate for Operators for Crane above 15 Te to 75 Te cap Crane

Labour rate for Operators for Crane above 75 Te to 120 Te cap Crane

Labour rate for Tractor Operator

Labour rate for ITI certificate holder Diesel Auto Mechanic with at least 03 years’ experience in maintenance of Diesel engines & Mechanical/Electronic/Pneumatic systems of Dozers/ Payloader/ Excavators and shunting locomotive e.g SAN/Indian Railway make OR 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

Welder ( IBR) (Over Time)

Welder (Non IBR) (Over Time)

Gas cutter (Over Time)

Rigger (Over Time)

Fitter (Over Time)

Auto Electrician (Over Time)

Semi Skilled (Over Time)

Unskilled (Over Time)

Crane operators for 3 Te th 15 Te cap Crane (Over Time)

Operators for Crane above 15 Te to 75 Te cap Crane (Over Time)

Operators for Crane above 75 Te to 120 Te cap Crane (Over Time)

Tractor Operator (Over Time)

ITI certificate holder in Diesel Auto Mechanic with at least 03 years’ experience in maintenance of Diesel engines & Mechanical/Electronic/Pneumatic systems of Dozers/ Payloader/ Excavators and shunting locomotive e.g SAN/Indian Railway make OR 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)

United Engineering Enterprises Pvt Ltd

ANSAR ERECTORS