Tamil Nadu Transmission Corporation Limited-TANTRANSCO has published Ce Nctps Ii Se M I O M 239 2020 21 Carry Out Up Keeping And Routine Maintenance Works Replacement Of Journal Head Liner Assembly In The Mill And Feeder Components For A Period Of 180 Days From The Date Of Handing Over Of Site. Submission Date for this Tender is 27-10-2020. Feeder Pillar Tenders in NCTPS II Tamil Nadu. Bidders can get complete Tender details and download the document.
| Name of Work:NCTPS -II - MI – MPM – Unit I – Carry out up keeping, and routine maintenance works, replacement of journal head liner assembly in the Mill and Feeder components for a period of 180 days from the date of handing over of site | |||||
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| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | Charges for Cleaning & Upkeeping in and around Mill equipments, Feeder area, LOP area, Hot air, Cold air Gate & Damper area, seal air fan area and general inspection and continuous monitoring of vital parameters in Mills, Feeders, Seal air fan systems, Lube oil system, Hot air & Cold air gates, Hot air & Cold air dampers, Feeder Gates, Bunker gates, Mill rejects, coal burner corners, coal pipes and coal powder leaks including cost of consumables | 90 | Opns | |
| 2 | 2 | Charges for checking the oil levels in Journal assemblies, Mill Gearbox, feeder gear box & COC gear box and Making up the oil to the requirement, checking the mill, feeder internals, removal of clinkers, wires, non grind able bags from upper bowl & under bowl, greasing feeder inlet span rollers and adjust belt tension and chain tension to requirement in feeder greasing cordon coupling springs, and journal stop bolt and boxed up including Hire charges for T&Ps and cost of consumables | 84 | Opns | |
| 3 | 3 | Charges for ring roll setting and Journal spring gap adjusting, including Hire charges for T & Ps and cost of consumables. | 84 | Opns | |
| 4 | 4 | Charges for cleaning the dynavan filter of seal air fan, dismantling bottom chocked pipe line, flushing the pipe line for chock if any, re fixing then normalizing including cost of consumables & hire charges for T&Ps. | 6 | Opns | |
| 5 | 5 | Charges for attending coal powder leaks in mill discharge lines of coal pipe / bend / mill outlet / fuel inlet elbow / transition piece of Coal pipe / special bend/coupling areas/ by using suitable leak arresting compound including Hire charges for T & Ps, scaffolding charges and cost of consumables. | 150 | Opns | |
| 6 | 6 | Charges for patch welding of puncture in coal pipe / bend / mill outlet / fuel inlet elbow / transition piece of Coal pipe / special bend, MRHS reject discharge pipe lines by suitably cutting the old coal pipe to the required size, welding on the punctured location including Hire charges for T & Ps scaffolding charges cost of consumables | 10 | mtrs | |
| 7 | 7 | Charges for inspection and setting of spring compression by dismantling the cover, cleaning all the internals thoroughly with suitable cleaning agents, releasing the locking key, mounting & fixing the hydraulic kit, adjusting and setting the journal spring compression with kit to the requirement, locking, rectification of defects in cover and reassembling the cover & checking the spring compression during mill trial operation including Hire charges for T & Ps and cost of consumables. | 54 | Opns | |
| 8 | 8 | Charges for cleaning the chocked coal in clean out conveyor area manually, dismantling the chains, drive sprocket, driven sprocket, inspection of bearings, cleaning and reassembling / changing of bearings, assembling all the dismantled components back in to original position, conducting trial run, checking for normal operation and commissioning, including Hire charges for T & Ps and cost of consumables. | 40 | Opns | |
| 9 | 9 | Charges for removal of foreign material(s) out of the Mill upper bowl & / under bowl / Feeder area(s) including cost of consumables and Hire charges for T &Ps. | 15 | Opns | |
| 10 | 10 | Charges for cleaning the lube oil filter for maintaining the sufficient Differential Pressure by charging the lube oil standby filter, isolating the chocked lube oil filter , removing the lube oil top cover of the chocked filter, draining the lube oil, removing of filter from the lube oil system, cleaning of sediments in the filter, replacing the filter after cleaning and putting back lube oil filter including cost of consumables and Hire charges for T & Ps. | 252 | Nos | |
| 11 | 11 | Charges for clearing the chocked coal from the under bowl at a height of 5m, by opening the under bowl inspection door, clearing the chocked coal in under bowl manually, clearing, removing the rejects /chocked coal in upper & lower reject outlet of pyrite hopper/ foreign material in the pyrite hopper, inspection of scrapper guard assembly, and carrying out minor welding works if necessary, closing of under bowl door including Hire charges for T & Ps and cost of consumables. | 25 | Nos | |
| 12 | 12 | Charges for attending breakdown works in feeder by closing of feeder inlet / bunker outlet gate manually, dismantling of feeder internals such as head pulley, take up pulley, supporting rollers etc., replacing of damaged feeder belt / bearing(s) / other internals with new/rectified one/ transporting of feeder materials from store to site/ site to feeder floor at a height of 22M/ devolute replaced damaged material from site to stores, clearing of choked coal, overhauling and reassembling of all internals and belt tracking including Hire charges for T & Ps and cost of consumables. | 10 | Nos | |
| 13 | 13 | Charges for Replacing the damaged Grooved coupling/ Gaskets at discharge coal pipes from mill to burner corners by providing necessary Scaffolding at 10-30 meters; leading, lifting and positioning the scaffolding & supporting materials, arresting the coal pipes on either sides of the Grooved Coupling; dismantling and lowering of the damaged Grooved Coupling / Gasket; lifting and reassembling of new Grooved Coupling with gasket; and positioning intact with coal pipes and releasing of supports and Scaffolding materials, including the cost of Consumables and hire charges for T& Ps. | 3 | Nos | |
| 14 | 14 | Charges for Replacement of damaged re silent coupling disc element and alignment of motor to Mill Gearbox by dismantling the re silent coupling, distance piece, damaged disc element and lowering in to the floor, correction of verticality and alignment of fan and motor by taking pre alignment reading and verticality, removing the motor lock plate, checking the mill gearbox lock plate, complete cleaning of motor foot, base plate, housing base and positioning, correction of verticality by add/ removal of shim at driven end, non driven end and motor aligning the gear box and motor axially and radially within the limits, checking the tightness of all bolts, providing motor locking plate, re fixing the re silent coupling with new disc element, tightening the bolts, trial run of the mill including T&Ps and cost of consumables. | 6 | Nos | |
| 15 | 15 | Charges for Attending Hot air leakage in labyrinth seal area by removing outer labyrinth seal- removing the studs at the height of 3 Meters, placing on the floor, checking labyrinth seal inner grooves, rectifying defects, fixing of graphite rope inside the labyrinth seal grooves, flushing of seal air lines of labyrinth seal area, leading, lifting and positioning labyrinth seal and re fixing the studs, checking clearance between labyrinth seal and bowl hub and conducting trail run of Mill including cost of consumables, T&P's, etc. | 9 | Nos | |
| 16 | 16 | Charges for cutting & removing the worn-out / dislocated scrapper block or bracket, welding of new or released old scrapper bracket or block, by rectifying the defects and damages in the scrapper mounting areas of bowl hub skirt, including Hire charges for T & Ps and cost of consumables. | 16 | Nos | |
| 17 | 17 | Charges for Rectification & Re fixing of Mill journal head liner assembly in by removing the damaged liner assembly from upper bowl, rectification such as removing bends, re fixing liner, providing additional support and lifting positioning and re fixing into journal and tightening the bolts and welded the supports & checking the journal rotation including Hire charges for T & Ps and cost of consumables. | 12 | Nos | |
| 18 | 18 | Charges for decoupling of motor and LOP pump, removing of casing, motor and LOP from its bed, removal of worn out mechanical seal, dismantling of the pump internals, cleaning the pump internals, changing the worn out parts and re assembling the pump, replacing of rectified/new mechanical seal and aligning the motor with pump, conducting of trail run including Hire charges for T & Ps and cost of consumables. | 4 | Nos |
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