Tamil Nadu Generation And Distribution Corporation Limited-TANGEDCO has published Nctps I Es Circle Em I Dn Sd V Purging Of Hydrogen Gas In Tg Casing Air Tightness Test Filling Of Hydrogen Gas In Tg Casing Hot Air Circulation In Stator Winding Dismantling Brush Gear Assembly Re Fixing The Brush Gear Assembly After Overhaul Removin Nctp. Submission Date for this Tender is 20-04-2022. Brushes Tenders in Thiruvallur Tamil Nadu. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Charges for Purging of H2 gas in TG casing. |
| 2 | Charges for conducting Air Tightness Test and attending minor leaks of H2 gas system.(Before purging & after filling H2 gas) |
| 3 | Charges for filling of H2 gas in TG casing. |
| 4 | Charges for drying out the stator winding by circulating hot air and puffing work. |
| 5 | Charges for dismantling Brush Gear cable, removing the carbon brushes, Brush holders, releasing the brush gear assembly and cleaning the same. |
| 6 | Charges for re-fixing the Brush gear assembly, aligning the radial clearances, re-fixing the brush holders, carbon brushes and brush gear cable. |
| 7 | Charges for (dismantling lifting and loading the Polishing unit from 4.5mtr. area to DM Plant for regeneration of the resin, Dismantling of outlet flanges, Cleaning of the mesh and reassembling with new gaskets, and back to its original position) including required material charges and hire charges for tools and plants. |
| 8 | Charges for Revisioning of Expansion Tank. |
| 9 | Charges for Complete cleaning of Expansion Tank Float Valve. |
| 10 | Charges for Revisioning of hydrogen gas dryer(Both East dryer and West dryer) |
| 11 | Annual maintenance works in seal oil tank& filterDismantling of top cover and inside fixtures in SOT, cleaning of the tank, checking the float valve assembly, refixing the inner fixtures and assembly of top cover, dismantling of filters,cleaning the simplex and duplex filter elements, reassembling the filters complete |
| 12 | Charges for Dismantling, Rectification, overhaul and reconnecting One number (25NB / 40NB /50NB) Globe valve/NRV. |
| 13 | Charges for Dismantling, Rectification, overhaul and reconnecting One number (80NB / 100NB) Globe valve/NRV. |
| 14 | Charges for Revisioning of Stator Water Filter |
| 15 | Charges for Revisioning of Magnetic Filter |
| 16 | Charges for revisioning of Turbo Generator Bottom manhole cover & inside side covers and inspection & cleaning of inside casing bottom. |
| 17 | Charges for stator water pump and motor & stator water vaccum pump and motor alignment. |
| 18 | Cleaning of all the modules with IPA,cleaning & healthiness checking of Power Contactor tips and replacing if necessary,terminal tightness of all components, and refixing the modules in the respective panels. |
| 19 | consumables |
| 20 | T & P |
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