Tamil Nadu Transmission Corporation Limited-TANTRANSCO has published Nctps I Se Mi Circle Amc 20 21 Ahp Dn Unit Ii Attending Breakdown Works In Bottom Ash Hopper Scrapper Feeder Clinker Grinders Hoppers For A Period Of Six Months Nctps I Se Mi Circle Amc 20 21 Ahp Dn Unit Ii Attending Breakdown Works In Bottom Ash Hopper S. Submission Date for this Tender is 14-10-2020. Feeder Pillar Tenders in works Tamil Nadu. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 09-Oct-2020 | DUE TO DATE EXTENSION | Date | 14-10-2020 |
| Name of Work: NCTPS - I – SE/MI circle - AMC (20-21) - AHP Dn. – Unit – II – Attending breakdown works in Bottom Ash Hopper, Scrapper feeder, Clinker Grinders, Hoppers for a period of six months from the date of taking over of site. | |||||
|---|---|---|---|---|---|
| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | SCRAPPER FEEDER\nRelocating the dislocated chain links from idler wheels and mainshaft sprocket, loosening the chain tension assembly, relocate the chain on main shaft sprocket, submersible idler wheels, tension wheels & return side idler wheels, adjusting the chain tension and feeder put to service, including consumables and T&P's.\n | 1 | 24 | Nos |
| 2 | 2 | SCRAPPER FEEDER\nRenewing the worn out Chains/ Padless connectors/ Bolts/ Flight bars after cutting the existing padless connectors/ bolts, including consumables and T&P's.\n | 2 | 90 | Nos |
| 3 | 3 | SCRAPPER FEEDER\nCutting and removing the elongated chain links in the scrapper feeder after cutting the connector bolts and reassembling the chain links and padless connectors, including consumables and T&P's.\n | 3 | 24 | sets |
| 4 | 4 | SCRAPPER FEEDER\nDismantling the submerged Idler wheels, inspection of bearings, shafts, oil seals and replacement of bearings, shafts, oil seals if necessary and reassembling, including consumables and T&P's.\n | 4 | 8 | Nos |
| 5 | 5 | SCRAPPER FEEDER\nRemoving the 1 No of wornout chain tension adjustment assembly and erection of 1 No new chain tension adjustment assembly in SCF lifting the driven shaft assembly by jockey on both free end, arresting with proper supports. Removing and refixing the plummer block and then assembling & aligning the driven shaft assembly after completion of 1 No chain tension adjustment assembly erection work, including consumables and T&P's.\n | 5 | 2 | Nos |
| 6 | 6 | SCRAPPER FEEDER\nDismantling the faulty Jacky rod and assembling new rod / spare rod retrieved from standby feeder by lifting the tension wheel assembly, including consumables and T&P's.\n | 6 | 2 | Nos |
| 7 | 7 | SCRAPPER FEEDER\nRemoving gear box top covers, cleaning the gear teeth, renewal of pinion shaft and topping & refilling oil, including consumables and T&P's.\n | 7 | 2 | Nos |
| 8 | 8 | SCRAPPER FEEDER\nDismantling and refitting the flushing nozzles after cleaning the nozzles from debris for free flow of water around seal trough, including consumables and T&P's.\n | 8 | 60 | Nos |
| 9 | 9 | SCRAPPER FEEDER\nAttending water leakage in the S.S. pipelines of the quenching and refractory cooling lines of seal trough, drain line, overflow line and trench flushing line, including consumables and T&P's.\n | 9 | 8 | Nos |
| 10 | 10 | SCRAPPER FEEDER\nEvacuation of settled ash and clinkers from the Boiler BAH by continuous poking and water jetting through BAH chute door and then separating the clinkers and ash in to the BAH trench by water jetting for feeder operation, including T&P's.\n | 10 | 171 | Opns |
| 11 | 11 | SCRAPPER FEEDER\nDisposing of collected ash continuously on both sides of BAH to trench by using shovel, dissolving the ash by water jetting in to the trench, making path way for slurry flow from BAH trench by agitating the settled ash and water jetting, including T&P's.\n | 11 | 230 | Opns |
| 12 | 12 | CLINKER GRINDER\nPulling the clinker grinder from service position and back to service position, including consumables and T&P's.\n | 12 | 6 | Opns |
| 13 | 13 | CLINKER GRINDER\nRemoving, refitting the roller gear for clinker grinder shaft, including consumables and T&P's.\n | 13 | 4 | Nos |
| 14 | 14 | CLINKER GRINDER\nDismantling and renewal of drive and driven sprocket, including consumables and T&P's.\n | 14 | 4 | Nos |
| 15 | 15 | APH , ECO & DUCT HOPPER\nCharges for attending leaks in Bottom ash water line, make up line, overflow pipe, BAH over flow trough, Air vent line and Feed gate housing body by patch welding as per site condition, including consumables and T&P’s.\n | 15 | 5 | Nos |
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