Tender For Fabrication And Erection Works - Description Light structure work. (a) dismantling (b) Fabrication/erection Heavy Structure and Column (a) Dismantling (b) Fabrication/erection Dismantling, fabrication, erection of different sizes of stainer/catchers, making all connections as before and giving leak proof trials. (a) dismantling (b) Fabrication/erection Cutting and removing the neck/weak bend of pump/motor/reduction gear etc., fabricating a new one as per the old one, installing it in place and doing alignment. (a) Up to 25 HP (b) 30 H.P. to 75 H.P. till (c) 75 H.P. Above this Cutting and removing necked/weak MS pipes from 1/2 to 12 inches, installing new pipes and preparing flanges in the line. (a) Dismantling/Fabrication/Erection. Opening of defective valves ranging from 1/2 to 12 inches and reinstalling when ready. (a) Dismantling and fitting. Opening of defective valves ranging from 1/2 to 12 inches and reinstalling when ready. (a) Dismantling and fitting. Cutting out throat/weak reducers of different sizes, fabricating as per old requirement and fitting with flange. (a) Dismantling / Fabrication / Erection Cutting out necks/weak nipples of 1/2 to 12 inches diameter, fabricating the same flange as before and fitting it in place. Cutting and removing neck/weak MS bands of different sizes up to 12 dia, fabricating new ones as per sample, installing them at the spot and giving leak proof trial. Crosses of different sizes by cutting out weak/throat up to 12 dia, fabricating as per requirement with flanges and fitting them in place, leak proof. To give trial. Fabricate the monkey ladder as per the instructions and install it at the indicated place. Fabricating the stair ladder as per instructions and fitting it at the specified location. Straightening of old vessel/vapour pipe/shell plate. Cutting and removing the damaged/worn out runners of Cane Carriers/IRC/Baggs Elevator/Cross Baggs Carrier and both RBC chains and replacing them with new/good condition old runners. Removing the teddy-medy, worn/damaged plates of the sides of the primary can carrier, replacing them with old or new plates and leveling them by grinding. Removing the sore/weak/damaged parts of the angle iron on the side of the primary/secondary can carrier and fitting new angle iron in place of the cut parts and leveling the joints by grinding. To operate the chains of the primary/secondary can carrier, cutting and removing the throats/weak channels of the channels below, installing new or old channels by turning them over as before. Cutting and removing worn out/damaged square wares of 40/50 mm size used for operation of trolleys and bridge of can unloader, fitting new square wares as per the old ones, labeling and grinding and giving successful trial of leveling of the joints. Cutting the worn/damaged parts of the rail installed for bridge drive of cane unloaders/mill house cranes, replacing them with correct rail, leveling it and aligning it and fixing the joints by grinding and giving successful trials. Dismantling of leaky/weak/gully mill juice trays, provided MS/SS. Fabricate a new juice tray from the plate as before, fit it in place, make a flat connection as before and give it a leak proof trial. Hard facing on weak shell of TRPF rollers, correcting the thickness of teeth and making the profile of teeth as per dry, hard facing and to increase the length of shell to 1520 mm on both the sides as per instructions. 3 Work of completing the length by installing SS plate of /4 mm thickness. Repair of broken/weak/damaged teeth of the pressure suits installed between Mill and TRPF as per the instructions, cutting and replacing the neck parts of Watm, top and side plate, lining and leveling the MS plate by grinding and Hard facing and grinding work of all teeth. Cutting out the neck/weak trough part of the VATAM tuft of IRC chains and preparing the trough as before by installing 10 mm thick MS plate and giving leak proof trial. Cutting of the weak/weak base beam from the base beam/channels installed for supporting RRC chains, fitting a new one as per the old one, leveling, alignment and balding. Fabricating and fitting juice rings in mill rollers as per instructions. Filling up the base of worn/cut teeth of mill crown pinions with MS electrode and making the profile of teeth by hard facing them from above and doing grinding. Repairing the old worn/cut tailbar couplings of the mill by baling, grinding and leveling them. The act of placing the tip of mill rollers teeth as per instructions. (K). 50 mm pitch roller (b). 25 mm pitch roller Work of straightening the old bent racks of RRC, changing wear pads and making necessary repairs. Straightening, baling and repairing the racks of bagasse elevator/cross bagasse carrier and both the bagasse carriers. Fabricate new rank for IRC as per instructions. Fabricate new rack as per old sample for cross carrier/elevator/both RBC chains. Fabricating a new fan for Bagasilon blower as per the old sample/instruction. Cutting the weak/weak parts of both the side plates of IRC vans, bonding them with new/old plates and giving successful trials. Cutting of gully and weak top/side plates of hoods of cane chopper/labeller by fabricating them from 10/12 mm pieces, plates and converting them as per the old ones. Cutting out the throat/weak parts of FD/ID ducting of working boilers and fabricating it as per sample from 5/6 mm thick plate and fitting it in place and giving leak proof trial. Cutting the worn/weak steam trough plate of bagasse elevator/cross bagasse carrier and both RBC chains, installing new/old plate, leveling and baling. Baggas elevator/cross bagasse carrier/both RB. Cutting worn/damaged/weak parts of side plates of C chains, fitting new/old plate, aligning and leveling by grinding after baling. Removing the necks/weak joints of donnel suits of mills and repairing them by installing new plates etc. to do. Fabricating the mill neck/weak Donnelly suits as per the old ones and fitting them in place. The top and bottom covers of the TRPF system were fabricated as per the old specifications and fitted in place and given successful trials. Cutting out the weak/weak juice trays from the juice trays installed for compound imbibition of the mills and preparing and fitting the juice trays as per the instructions. Cutting of throat/weak bagasse soot part of bagasse feeders of working boilers, fabricating from new/old plate and fitting in place. Remove the damaged base band of the transmission gear system of the gills, repair it as per the instructions, fit it in place and align it. Cutting and removing the weak parts of the perforated screen in the Bagas elevator, making and installing new frames as per the instructions. Fabricating new frames as per sample to replace weak/necked frames of strainers installed in steam drums of working boilers. The attachment plates used for tying racks on the links of block type chains of IRC, whose holes have been enlarged or the links have become weak, should be cut and removed. Prepare pads of the plates as per the old method and weld them on the links. Removing the sore/weak juice whirling tanks from the whirling tanks receiving the juice of the mills, fabricating new whirling tanks as per the sample and fitting them at the place, making all the connections as before and giving leak proof trial. Cutting the neck/weak steam cone of the juice receiving whirling tanks of the mills, fabricating a new one and fitting it, making all the connections and giving it a leak proof trial. Removing the throat/weak ash suit from the AYA suits installed below the economizer of the 30 tonne capacity boiler, fabricating a new one and fitting it as before and making it leak proof. Cutting out the throat/weak ash suits from the ash suits installed below the mud drum of 30 tonne capacity boiler, making new ones as per the old ones and fitting them in place and giving a leak poof trial. Replacement of sore/weak ash suits of boilers of 20 tonne capacity. Removing damaged/damaged dampers from the section/delivery dampers of ID/FD fans and fitting new dampers as per the old ones and giving successful trials. Removing damaged/weak dampers from the gas inlet/outlet dampers of economizers of working boilers, preparing new ones as per the old ones and fitting them in place and giving successful testing. Cutting the throat/weak parts of air heater body/economizer body/FD fan duct of boilers, fabricating them from new/old plates and fitting them in place and making them leak proof. External cleaning of installed boiler chimneys and painting with aluminum paint. Cutting out various ductings/shell gullies/weak parts of vat scrubbers of working boilers, fabricating new ones and fitting them in place and making them leak proof. Replacement of loose/weak perforated waffle plate from the perforated vapor plate fitted inside the boiler water feed tanks. Replacement of various loose/weak steam lines of boilers with provided lines (150 mm) and giving leak proof trials. Install closed cover on the tail end of new RBC chain as per instructions and give satisfactory trial. Fabricate and install a closed bracket as per instructions on the tail end of the cross carrier chain. Removing the damaged pocket plate of the pocketed anvil plate of Ken Fibrizer, repairing the pockets by installing a new plate, installing ribs for support on the vertical plates, preparing the anvil plate by doing hard facing as per the instructions. The circular holes made for fitting the rotor assembly in both the plates of the sides of the hood of the cane humidifier, whose diameter is more than the diameter of the rotor, are modified and the said diameter is reduced from the diameter of the rotor and the gap is 10 to 15 mm. to do. Cutting the gully/weak tank and side plates of the raw juice receiving tank, preparing it from new/old plate, fitting it in place, making it leak proof and making all the connections as before. Fixing and leak proofing the sore/weak joints of the rubber strip fitting joints in the partition plates of juice heaters by applying a flat iron. Cutting loose/weak partition plates of partitions built into inlet/outlet headers of juice heaters, leak proof repairs to partition walls by installing new plates. Cutting the shells of various condensate receiving bottles, syrup receiving bottles, checking the internal partition plate and proofing the leaks and re-balling the cut shells to make them leak proof and making all the connections as before. For fitting of mud scrapers of juice clarifiers, cutting off the weak arm from the arms, fitting the arm as per the old method, making scraper fitting arrangement and giving successful test. Cutting out necks/weak mud boots of juice clarifiers, fabricating new ones as per the old ones and fitting them in place, making all the connections as before and giving leak proof test. Cutting out shells/intermediate troughs/foam chambers/roof throats/weak parts of juice clarifiers. Fabricate it from 8/6 mm plate, fit it in place, weld it inside and outside, make it leak proof and make all the connections as before. Removing the mud over flow valves/weak juice over flow/mud boxes at the neck of juice clarifiers and fabricating new ones as per the old ones and fitting them in place and giving leak proof trials. Cutting and removing weak coils of different sizes of juice/water/steam installed at different places, fabricating new coils, fitting them at the same place and doing all the connections as before and giving leak proof test. Removing the neck/weak part of the vacuum filters mud tray and fabricating the parts as per the removed part, fitting it in place and making it leak proof and giving successful test. Dismantling and removing the weak/weak cyclones in the Bagasylon cyclones installed at the vacuum filter station, fabricating a new one as per the old sample, fitting it at the same place and making all the connections as before and giving a leak proof trial. Cutting down the condensers installed at the vacuum filter station, checking and repairing them as per requirement, fitting them in place as before and giving them a leak proof test. Fabricating a new screw conveyor for mud mixture as per the old one, fitting it on the flange and testing it successfully at the site. 400 mm pipe carrying bagasse from bagasse fan to vacuum filter station. Dia. meter gully/weak bagasilon line should be fabricated with plain G.I seat of 02 mm thickness and installed in place of the old one and given leak proof trial. Removing the leaky/leaky/weak cooler from the secondary gas coolers made for the cooling of sulfur dioxide gas, fabricating a new one as per the old one, installing cooling pipes, installing the cooling system and making all the connections as before. Giving proof trial. Making the sore/leaky/weak after burner of sulfur furnace a new one as per the old one and fitting it as before and making all the connections and giving lock proof trial. Cut off the weak/weak cooling jacket of the sulfur furnace and prepare a new cooling jacket from the new/old plate and make all the connections as before and give a leak proof trial. Removing Satvik type gali/weak sulfur furnace of juice/syrup side from its place and putting it in scrapyard, fabricating new sulfur furnace from 12/16 mm thick MS plate as per the old one, double coat balding from inside and outside, Install the cooling jacket and make all the connections as before and give a leak proof trial. Providing leak proof trials by repairing the shells of weak/tight shells of right angle valves ranging from 500 mm dia to 800 mm dia fitted at the vapor/exhaust inlet and vapor outlet of quad bodies, vapor shells and pans. To strengthen the top taper cone of vacuum pans of 40/60 ton capacity, re-balding various welding joints, strengthening by making a box on top by installing flat iron ribs (a). 40 ton pan top cone (b). 60 ton pan cone Removing the weak top taper cone of 40/60 ton capacity vacuum pans, fabricating a new angle from 12 mm thick MS plate as per the old one, making B and doing double coat balding from inside and outside, adding necessary supports. Make all the connections as before and give successful water and vacuum trials. Leak proofing of quad valves/vapor shells/panes by making necessary repairs to the savealls. Cutting out and removing weak savealls from quad bodies/vapor shells/pan necks, fabricating new savealls from 12 mm thick MS plate, fitting them in place, making them leak proof and giving successful water/vacuum trials. Fabricating and installing a new external catcher as per the instructions in the vapor pipe of vacuum pans of 40/60 ton pan/quad capacity and giving leak proof water/vacuum trial after making all the connections. Cutting and removing the necks/weak feed headers of vacuum pans of 40/60 tonne capacity, fabricating new ones as per the old ones and installing them at the same place, making all the connections and giving successful trials. Cutting out vapor shells/quad bodies/pan necks/weak umbrellas, fabricating the umbrellas from old plates as per the old procedure and fitting them in place by providing necessary supports. Cutting out the throats/weak parts of the discharge mesh gutter of the pans and preparing them from the old plate and fitting them in place. Grinding and re-balding the various bellings of the steam saucers of the pans, fitting tie rod from inside as per instructions and strengthening from outside by making a box of ribs of angle iron/standing flat iron. Cutting the neck/weak down tech of the pan, fabricating it as before from 12 mm thick MS plate, fitting it in place, double coat balding and giving leak proof water/vacuum trial. Cutting the weak part of the shell of Pan and Quad Wadi of 40/60 ton capacity, fabricating it from 12 mm thick MS plate as per sample, making B, double coat belting from inside and outside, doing all the same as before Kanakyan. , Providing satisfactory water/vacuum trials by installing necessary supports. Cutting the necks/weak parts of the sides and water plate of various molasses syrup storage tanks installed on the pan floor, fitting them in place with new/old plates, doing leak proof baling and providing successful water testing by providing necessary supports. Removing leaky/weak vents of condensers of quad sets/pans, fabricating new ones as per sample and fitting them in place and giving leak proof water/vacuum trial. Repairs by replacing loose/weak parts of monitor casings of Continuous Centrifugal Machines. Fabricating new covers as per the old ones to replace the bottom/top covers of Continuous Centrifugal Machines. And making all the connections. Fabricating new suits as per the old ones and fitting them in place to replace the weak/weak discharge suits of Continuous Centrifugal Machines. N.K. Taking out the monitor casing of 1100 Continuous Centrifugal Marine, cutting the damaged base plate, installing a new plate, fitting the monitor casing in place, doing alignment and leveling and providing satisfactory trial. Dismantling and removing the old/damaged sugar hopper, fabricating a new hopper from a new plate as per the old one, fitting it in place and giving a successful trial. Cutting out the gully/leaky/weak rock of B and C Magma Mikurs, fabricating it as per old and fitting it in place and giving leak proof trial. Cutting the neck/weak part of the trough of sugar hopper, prepare a new one and install it. Cutting and removing the damaged driving surface of sugar hoppers, preparing it by riveting with a new plate, fitting it in place, doing all other work and giving successful trials. Preparing the packets of sugar elevator/dry seed elevator as before. Cutting and removing damaged/defective shafts of air/water cooled crystallizers along with arms, fabricating new shafts and fitting them in place, installing vertical ribs on the joints, installing all the arms and giving successful trials. Providing successful trials by repairing broken arms and shafts of air/water cooled crystallizers. Removal of damaged worn square wheels and worm shafts fitted to drive crystallizers, fitting new or properly brought square wheels and worm shafts in their place, doing alignment and giving successful trials. Cutting the weak part of the shell of the vacuum crystallizer, fabricating it as per the old method, making B, double coating it inside and outside and giving a successful trial. Cutting the weak/weak cooling coils of Takni Vertical Crystallizer, fabricating new one as per the sample and fitting it in place, installing necessary base support and giving leak proof water trial. Replacement of stone catchers installed in the section pipes of injection/spay pumps, which have melted, by making them new as per the old ones. Fabricating the neck/weak pipes of delivery pipes of injection pumps with reducer and fitting them in place, making all the connections, giving leak proof trial. Removing the neck/weak main header of the injection/spray pumps and fabricating it with a new plate and fitting it in place and giving a leak proof trial. Removing the neck/weak elliptical type section of injection/spray pumps, fabricating it as per the sample, fitting it in place and giving successful trials. (K). 10 U.P. 1 (b) MF 40×45 (G). M.F. 35×35 Making a driving track by placing MS plate on the wall to drive the primary clarifiers of ETP. Leak proofing of steel molasses tanks by making B by preparing the weak part of the shell of steel molasses tanks with new plate and double coat bailing from inside and outside. Strengthening of neck/weak columns of various structures by installing plates. To fabricate new bands as per the sample to replace the weak / weak bands of different sizes, fit them in place and give leak proof trial. (K). 400 mm to 650 mm dia (b). 650 mm to 850 mm up to dia (G). 900 mm to 1100 mm dia Cutting weak flanges of different sizes from 400 mm dia to 900 mm dia and fitting new ones. Uprooting the shaken/disturbed head stock of the mills, checking the foundation bolts, re-grouting the head stock by installing a base pad, aligning it and doing all the work as before. Dismantling of sore/damaged plate forms from those installed at various places, changing the angles/channels of the base structure and preparing platforms from old plates and installing railings etc. (K). dismantling (b) Fabrication To carry out patching work to strengthen sore/weak parts of various vessels. Cutting out the weak/weak main holes in various vessels and fabricating a new one as per the old one and fitting it in place and giving it a leak proof trial. Cutting of weak/round/rectangular/conical storage tanks of different sizes, fabricating new ones as per the sample, fitting them in place and making all the connections as before and giving leak proof trial. To straighten the crooked shafts of Pug Mills/Magma Mixers, cutting the arms, taking out the shafts, heating them and making them straight and fitting the shafts by changing the bushes at both the ends and giving successful trials by installing the arms. Strengthening the pulley by making MS rings, heating them and fitting them on the idler pulley of cane carrier chains. Cutting out weak vapor pipes of 900 mm dia to 1100 mm dia of quad sets/pans, fabricating pipes from 10/12 mm thick MS plate, making B and double coat welded inside and outside. Fit it in place, install necessary supports and give leak proof water/vacuum trial. (a) dismantling (b) Fabrication and erection Cutting out the weak leaky part of the installed calandria shell of the quad bodies of the old quad set, fabricating it from 12 mm thick plate, fitting it in place, making it leak proof and giving successful water/vacuum trial. Cutting the throat/weak parts of molasses gutter of continuous/A type centrifugal means and preparing it as per the old plate from new/old plate and fitting it in place and giving leak proof trial. Taking out the stirrer drive shaft of the juice sulfiter, straightening the shaft, refitting, fitting the arms, installing the necessary supports and successful To give trial. Replacement of weak pillars around the platform of Sulfur Mati station with new or old ones. Providing strengthening of vapor pipes by making T rings of Agilent iron from outside as per instructions in the weak vapor pipes of quads/pans. To provide external support to the weak frame of quad body/panes, necessary strengthening should be done by preparing a ring from 100 mm channel and applying box type bracing. Cutting out the weak parts of the shell of air/water cooled crystallizers and preparing the shell from a new plate, welding it in place, installing necessary ribs and giving trials. Repairing and leak proofing sliding type gate valves of air/water cooled crystallizers. To prevent leakages from the gland housing of crystallizers, dismantling the worm wheel/square housing of the drive, taking out the gland housing, re-fitting the housing and drive after changing the gun mat bush, aligning and giving trial. Cutting out the weak / weak pipes from the molasses drain pipes coming out from the monitor casing of ABC centrifugal machines, fitting new ones and giving leak proof trials. Fabricating cones as per sample to replace weak cones at top/bottom of various conical vessels, fitting them in place, making all connections as before and giving leak proof trials. (K). 400mm to 650mm dia cone (b). 650 mm to 1000 mm up to dia (G). 1100 mm to 1500 mm dia (d). 1750 mm to 2500 mm dia (e). 3000 mm to 3500 mm dia Removing the necks/weak parts from the vapor/exhaust inlet ducts installed in the quad body/semi-condenser/vapor shell/pan calendria and making new ones as per the old ones and making all the connections as before and giving successful water/vacuum trial. To fabricate the necks/weak mud discharge suits of vacuum filters from old plates as per the sample and fit them in place. Cutting out the sore/weak discharge suits from the bagasse discharge suits installed in RBC chains, fabricating the discharge suits from old plates and fitting them in place. Cutting off the weak/weak cone from the inverted cone fitted in the down take of the pans, fabricating new cone as per the sample and fitting it at the place. Cutting and removing weak downtube throats/downtube pipes of quad bodies, fitting new downtube pipes, making them leak proof and conducting successful trials. Removing the sore/weak headers from the Saxon headers of various pumps, fabricating new headers as per the old ones and fitting them in place, making all the connections as before and giving a leak proof trial. For the power supply of all three can unloaders, fitting the beam as per the instructions, installing sliding/rolling brackets for moving the cables, and operating the power supply by doing flexible cableing. Replacing the weak part of inlet steam line size 100 mm of Mill Turbine No. 2 with a new line and making all the connections as before and giving leak proof trial (per meter). Cut the shell of the old TRPF roller and dismantle it and remove the shaft. (per item) Dismantling of the weak/weak resistance box from the water resistance boxes installed for operating the slipping type motors of Ken Fibrizer, fabricating a new box as per the old one, fitting it as before and giving a satisfactory trial. Taking out all the weak brass tubes of the new vapor shell of 700 square meter surface, cleaning the tube holes of both the tube plates by applying emery paper, filing and SS provided by the mill. Getting the tubes fitted in place of the removed ones, expanding them at both the ends and doing leak testing on Kalendaya 80 Power/SQ processor. (a) Removing old tubes (b) Inserting and expanding new tubes. (c) To provide satisfactory hydraulic testing of valves. The Vapor Line juice hitters have a weak 200 square meter hitting surface with both quad sets. S. Removal of tubes, required cleaning of tube plates, cleaning the holes of tube plates by applying emery paper, correcting the seat by filing, S.S. provided. After fitting the tube, give 110 power per square inch hydraulic pressure lick puff trial of the calendriya and give the trial of the juice hitter by tying the cap and the steam cover of both the juice hitters. For hydraulic testing of juice heaters, weld the vapor pipe at both ends and remove the weld after fitting the vapor pipe. lick (a) to remove old tube (b) Inserting and expanding new tubes. (c) To provide satisfactory hydraulic testing of valves. By cutting the throat/weak down tech of the new vapor cell of 700 square meter heating surface, fabricate the down tech as per sample from Havana 10/12 mm thick MS plate and fit it leak proof at the same place. Removal of 10/12 mm thick M.S. by cutting the throat/weak down tech and dome and steam saucer of new vapor cell of 700 square meter heating surface. Fabricate down tech and dome water saucer as per the sample from the plate and fit it leak proof at the place. Removal of throat/weak plate of new vapor cell of 700 square meter heating surface by cutting 10/12 mm thick top M.S. Fabricate the plate as per the sample, fit it at the right place, make a V and do double coat leak proof weld from inside and outside. 40/60 Ton Capacity Vacuum Pans, Single Interior Condenser by cutting and removing melted/weak MS tail pipe and venturi. S. Provide lint proof by fitting venturi and tail pipe in place. Installation of vertical straw pump at the straw station. Fabricating the base band as per the drawing provided. Fitting it on the foundation. Aligning the bed. Transporting the supply pump from the mill house to the place of installation with our own resources. Installing the pump. Dyeing the suction and delivery lines. Fabricating and fitting the pump as per the specifications, fitting the vertical motor on the pump, fabricating and fitting the suction strainer of the pump, N.R. provided in the delivery line. Fitting the V. and Water Flow Blow. Connecting the delivery line of the pump to the main header. Fitting an 8 inch bypass valve from the main water flow valve for operation of the pump. Staging by erecting a column to dismantle the pump and motor. Preparing the structure: Fabricating and applying sand to protect the motor from getting wet from water. Preparing some 1.50 meter working plate frames around the pump and installing railing on the platform. etc. and giving trial of the pump at satisfactory load.
