tender for Belrayan Fabrication And Erection Work In Evoporator, Clarification, Etp Houses For The Year 2024-25, Boiling House Functions Removing the neck/weak umbrella of the bodies of quad sets by cutting and making a new one from the given new/old plate as per the sample and installing it at the same place. Removal of damaged part of neck/weak umbrella of quad sets bodies and repairing in place with the new old plate provided. The neck shell of the condenser of quad sets was made new with a new plate, fitted in place and conducted a successful vacuum trial. Repairing weak shell of quad condenser Repairing the condenser neck water spray jet box of old quad sets by making a plate. To carry out permanent repair of centrifugal type valve of new/old quad set, replace/screw the loose part inside the valve with new/old available plate and give satisfactory trial. Cutting out the neck/weak part of the shell/sewall of quad body/juice heater/semi condenser/vaporshell etc., fitting it in place with the new/old plate and giving successful water trial. Removing the neck/weak down take pipe of the old quad seto/quintiple set bodies by cutting it and fitting it in place as per the sample and making all the connections and giving a satisfactory trial. Down take of quad body and repair of its pipe. To replace the leaky/leaky venturi of quad condensers, stop the tail pipe by giving proper support and remove the old venturi and prepare the new venturi along with the flanges and fit it in place and give satisfactory water and vacuum trials. Repair of venturi of condenser of quad body. Opening, removing, repairing and fitting exhaust, vapor and steam valves/weak right angle valves and giving successful trials. (from 300mm to 950mm) Cutting out the partition plate from the neck of juice heaters and making a new plate and installing it carefully so that the tube does not get damaged and giving a leakproof trial. Quad body/juice heater gully/weak condensate by cutting out the bottle and making a new bottle with a new plate and making connections. Condensate water bottles whose tops and bottoms have melted. Open it and install the top/bottom plate as per the sample from the new/old plates provided, do double coat welding from inside and outside, fit it at the place and give it a leak proof trial. Cutting out the MS throat box fitted with the double weet valve of the juice heater and replacing it with a box made of 12 mm thick plate and giving it a leakproof trial. New double wet valve replacing old faulty double wet valve of juice heater. Removing the corroded/broken platform plate by strengthening it with the given plate pipe and preparing the platform by installing the plate and railing. Cutting out wet juice catcher, sulphified juice catcher and syrup catcher which have melted or got damaged, making new catchers and their mesh as per sample/drawing and fitting them in place and giving satisfactory trial. Repairing the above catchers. Removing the melted nipples of juice heaters and making new nipples and installing them. By cutting throat and weak main holes at various vessels, vapor pipes etc. Removing and fabricating a new main hole as per the old one and doing leakproof welding. Removing top cover of new/old semi-condenser Top after replacement of leakage tubes Do doublecoat welding by placing the cover and giving vacuum trial. Leaky brass tubes of quad/juice heaters should be thoroughly removed, stored in mill store, replaced with new SS brass tubes, expanded from both the ends and hydraulic testing should be done as per the standards. Inserting, removing, expanding the tube. To provide hydraulic testing of calendriya. The header compartment of all the juice heaters is melted at the top and bottom, cutting it out, fabricating and installing 12 mm plate, welding it from all sides, making grooves for installing rib ribs rubber, fitting the rubber and giving water trial. Cutting and removing the neck/weak cell/bottom cone of tanks of different sizes and preparing new/old plates as per the sample, fitting them in place and making all the connections and giving satisfactory trials. 1 m dia to 2 m dia 2m dia to 3m dia Cutting and removing the neck/weak part of the body/cell of receiving tank of water weighing scale and juice weighing scale, preparing it from 8/10 mm thick plate, fitting it in place, making it leak proof and giving successful trial. Cutting and removing the weak / weak coils of ammonia, juice, water and steam of different diameters of quad body juice heater and fabricating new coil as per the sample and installing it at the place and giving satisfactory trial. Removing the neck/weak joint of quad bodies by cutting and fabricating it as per sample from 10/12 mm plate, installing it in place and giving satisfactory water and vacuum trial. Open the clogged syrup lines of quad body and clean them by burning them properly from inside, replace the loose/weak lines and tie them in place and give a satisfactory trial. Cutting and removing the weak/weak vapor pipe of quad and juice heater ranging from 450 mm dia to 1300 mm dia and making a new pipe from 10/12 mm thick plate by double coat welding inside and outside and installing it in place and giving satisfactory water and vacuum trial and scrap. Picking up and dumping it in the scrap yard. Cutting out the necks/weak bends of vapor pipe of 900 mm to 1300 mm diameter of the quad and fabricating a new wand from 10/12 mm plate as per the sample and fitting it and doing leak proof welding inside and outside and giving satisfactory water and vacuum trials. Cutting and removing weak siphons installed in the condensate lines of Quad and making new ones from 100 mm to 200 mm diameter pipes, welding them and giving satisfactory trials. To strengthen the weak vapor pipes of the quad from outside/inside, welding them by placing T rings from outside and crosses from inside and giving satisfactory trials. Flattening of old vapor pipes, body cells, clarifier cells for re-use. Making the gully/weak mesh in the steam entry of quad bodies/juice heaters by making them from new old plate and giving satisfactory trial. Removal of weak/weak condensate box of Quad Badiya and Juice Hatra and making it new from 12/10 mm plate and fitting it like before, doing double coat welding and giving satisfactory trial. Making proper staging and platforms for repairing the vapor outlet valves of both the new semi-conditioners (2200 m 2) and also making proper platforms for opening and closing the algae manholes of both the new semi-conditioners (2200 m 2) and vaporshell (2200 m 2). To keep in place. Functions of Clarification House Cutting out the melted/weak cell parts of both the juice clarifiers of 2200 and 4200 hectoliter capacity by providing proper support, preparing and fitting the shell with new 6/8 mm thick MS plate as per the previous sample, doublecoating the prepared shell from both the sides. Make all the connections as before and give a satisfactory water trial. Cutting and removing the melted and weak part of the air receiving tanks of all the air compressors installed in the mill premises and making new ones as per the old ones and fitting them and giving satisfactory trials by fitting the tanks with proper supports and related pipe lines. Cutting out the weak/tight shell of the flash tank of 2200/4200 HL capacity juice clarifiers, replacing it with a new plate as before, double welding it from inside out and fitting all the connections at their places and giving a successful trial. To fix the neck/weak bottom cone of flash tank of 4200/2200 HL capacity juice clarifier. Cutting and removal by fitting the new/old plates provided by the mill as before. By double coat welding inside and outside, all the connections are fed in place and satisfactory. To give trial. Removing the juice and mud over flow box and liquidation box from the neck of the juice clarifier and installing new ones and giving leak proof trial. Repairing work of sore and weak overflow box and liquidation box. Cutting and removing the neck/weak steam plate/cone compartment no. 1, 2, 3 and 4 of 2200 HL/4200 HL juice clarifier and putting it in scrap yard and previous drawing/ sample of new/old plate 10 mm/8 mm provided by the mill. Make it as per requirement and do double coat welding on both the sides and make all the connections as before and give satisfactory hydraulic trial. Removing the weak/weak top (roof) and flocculating chamber of 2200 HL/4200 HL capacity juice clarifier, fitting the roof/top and flocculating chamber from 6 mm thick plate as per the sample/as before and giving a leakproof trial. Taking out the gas coolers of digital furnace of juice/syrup side along with their jackets by opening them and replacing the neck/weak gas pipe and neck/weak water line and replacing the damaged jacket with new ones and giving satisfactory trial of each cooler. Removing the neck/weak telescopic valve of juice clarifier 2200/4200 HL, making a new one as per the sample and fitting it by welding and giving satisfactory trial. The arm attached to the main shaft in the inner compartment of 4200/2200 HE door has melted, it has to be removed by cutting it. Fabricating a new arm and fitting the arm. Complete the rubber strip by installing rubber scratch plate and give trial. Juice Coil Size of Juice Clarifier 100mm/150mm Dia Gully/Weak Cutting out the coil and making a new coil as before and placing it in place and To give a satisfactory trial. Cutting and removing the neck/weak mud boot of both the clarifiers of 4200/2200 HL capacity and making and installing new ones as before, making the connections of the mud line as before and giving a satisfactory trial. Cutting off the water jacket of the juice/syrup side satvik make sulfur furnace whose jacket has been damaged. Making a new jacket from the provided plate and fitting it and giving a successful trial after doing leak proof welding. Cutting out the neck/weak melter of the digital sulfur furnace, preparing a new melter from 10/12 mm thick MM plate, installing all the partition plates, steam lines and completing the work by preparing the bases of pumps and motors. Removal of weak steam coils in the melter of digital furnace and as before Fabricating and fitting, hydraulic test at 300 LVS. Making and installing steam coil of melter of Satvik type sulfur furnace, giving hydraulic test at 300 LVS and giving leakproof trial. Applying patch from inside the weak part of the cell of Satvik type sulfur furnace of juice/syrup site and giving leak proof trial by double coat balding. Replacement of sore/weak 4/6 size pipes of sulfur furnace scrubber by opening the scrubber cover. Fit like before and give a satisfactory trial. Dismantling the secondary cooler of Satvik Make Sulfur Bhatti of juice/syrup side, replacing the neck shell of the cooler, fitting it in place and giving satisfactory trial. Removing the throat scrubber of syrup/juice side sulfur furnace and making a new one from 12 mm thick plate and making line coil of pipes and giving satisfactory trial. Removing steam coil from the neck of Digital Sulfur Furnace and installing a new one from 5/3 seamless pipe and giving hydraulic test at 300 LB.S. Open the drive motor gear box of Satvik/NSI design juice sulfiter and dismantle it, cut off the arm attached to the shaft and get it done on the lathe machine and after making the bush, take it up as before and do the interaction. Welding the cut arm with the shaft, fabricating the neck arm, fitting the motor gear box, aligning it and giving satisfactory trials. Newly fabricated and fitted 8 dia gas line cross and tee of Satvik and Digital Sulfur furnace. Cutting down the juice sulphite recovery tower, re-installing the gully/weak shell and giving it trial. Cutting and removing the neck/weak shell, top and bottom of Satvik/NSI juice sulfiter and putting it in the scrap yard and making it as per the drawing/sample from 10/12 mm thick plate provided by the mill and double coat welding inside and outside on both sides. Make all the connections as before and give full trial. Juice/sulphite juice/clear juice/muddy juice/milk by cutting out the throat part of the lime receiving techs, making new ones, applying them and giving leak proof trial. Removing the neck/weak arms of the stirrer of NSI designed juice sulfiter and preparing the arms from angle and channel and fitting them in place. Cutting out the neck/weak coils of Satvik/NSI Juice Sulphiter, making coils from 200 NBSS pipe, fitting them at the place and giving satisfactory trial. Work to replace the melted columns and staging of Satvik/NSI juice sulfiter/vacuum filter. (a) Removal of old neck column and staging by cutting. (b) By installing new columns, beams and staging in place of the removed columns and staging, fitting the sulphiter in place, making all the connections and giving successful trials. Removing the neck/weak parts of the structure at the drive/twin end of the mud conveyor belt, fabricating it as per the instructions, installing it and giving it trial. Take down the weak/weak condensers of the vacuum filters for checking and repair, check and repair them as per the instructions of the Chief Chemist and fit them back in place and make all the connections as before and give successful water/vacuum trial. Cutting out the necks of vacuum filters/weak filtration juice receiving tanks, new/old Fabricating juice receiving tank from plate and fitting it and giving satisfactory trials. Fit the new/old vacuum filter, cut out the spent cyclone core and remove any that have become melted and weak, make it as per the sample from the old/new plates provided in the mill premises, weld and replace the old ones with all the connections as before. And replacing the worn flat belt of mud scrapers of new vacuum filters and making necessary repairs and fitting the scrapers and giving satisfactory trials. Removing the vacuum filter 4 x 16 and 10 x 20 gully mud tray and making a new mud tray in its place from the given plate, doing double coat welding, fitting it with all the pipe lines at the removed place and making it satisfactory. To give trial. Work to replace the columns and staging which have melted in Boiling House, Clarification House/Mud Well Conveyor and other places. (a) Opening and removing all the weak/staging and columns. (b) After installing the column and staging, when it is completely ready, fit the mud mixture, both vacuum filters, mud conveyor welt in place, make all the pipeline connections and give satisfactory trial. (c) Making a new column from the channel plate provided for vacuum filter/mud conveyor welt etc. and fitting it at its place. Roller with drive and drill assembly for dividing Mud Conveyor Welt No.06 into two parts. Preparation including reduction gear, motor bed and alignment by placing it at appropriate place. After completing all the work, give a satisfactory trial. Taking out the old vacuum filter and the faulty mud scour conveyor fitted on the new vacuum filter, replacing the broken/corroded shaft and conveyor plates and fitting them in place and giving a satisfactory trial. Removing the frame angle from the agitator of new/old manual filters and fitting it with a new angle. Repairing and installing the neck frame angle of the agitator of new/old manual filters in place. Correcting the base structure of Satvik Juice Sulphiter and installing manholes, as well as replacing weak cells. The rock bodies and scrolls of the old mud mixture and the new mud mixture have melted/weakened. Cutting them and dismantling them, fabricating the scroll body of mud mixture from the given 10 mm thick SS plate, fitting the scroll body, aligning the motor reduction gear and giving it a trial and making all the connections. Removing the neck/weak feeding suit of lime slaker by cutting it and fabricating the suit from old/new plate as before, fitting it in place, making it leak proof and giving a successful trial. The 12 mm concrete expeller plate fitted inside the lime slaker should be cut off and damaged and replaced with another 12 mm plate. Carrying out welding as per the instructions of the Chief Chemist and giving satisfactory trials. Removing the lime hopper and making a new hopper trough and giving a satisfactory trial by aligning it. Cutting out the narrow part of the gutter above the lime and installing a new gutter and screwing in the weak part. Getting the vibro installed at Chuna station repaired as per instructions, replacing the weak plates of its inlet/outlet gutter and giving satisfactory trial. Functions of ETP Repairing primary clarifier, secondary clarifier, flash mixture drive at ETP and installing squeezer etc. as required. Preparing motor pump blade. 01 HP to 7 HP, 10 HP to 80 HP Modifying the air grid of the aeration tank as per the instructions and lowering the 11 nos. air pipe as per the instructions and giving all the connections etc. Removing the air coil in the equalization tank and making a new one. Making necessary modifications in the lime tank and making equalization tank gutter and making connections among all the tanks. Open the MGF/ACF, remove media, clean and re-establish. At the SRS plant, removing all the settler plates (seats) and repairing the tank i.e. supporting the seats with proper mesh. Install a diffuser by extending a line inside the aeration tank and give a satisfactory trial. Removal of weak/damaged/damaged vapor pipe of quad and juice heater from 450 mm dia to 1300 mm dia and making a new one from 10/12 mm thick plate, double coat leak proof welding inside and outside the pipe, fixing it in place and giving satisfactory trial and scrap. Keeping pipe/iron in scrap yard. Cutting out the neck/weak section of quad injection along with pipe band, making elliptical reducer and fitting it at the designated place.
