Tamil Nadu Transmission Corporation Limited-TANTRANSCO has published Nctps I Se Mi Circle Aoh 21 22 Bm Dn Unit Ii Annual Overhaul Of Air Pre Heater A And B Pass Nctps I Se Mi Circle Aoh 21 22 Bm Dn Unit Ii Annual Overhaul Of Air Pre Heater A And B Pass Renewal Rectification Of Hot End Spool Hot End Sector . Submission Date for this Tender is 17-06-2021. Bearings Tenders in Works Tamil Nadu. Bidders can get complete Tender details and download the document.
| Name of Work: NCTPS - I – BM –SDN.III – UNIT-II – Annual Overhaul of Air Pre Heater- 'A & B' Pass Renewal / Rectification of Hot end Spool, Hot end sector plate, air seal,Tracking Bolt, Guide Bearing housing assembly and water washing of HE & HIE Baskets during the year 2021-22. | |||||
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| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | Charges for Overhauling of Hot end stationary Spool and renewing the retainer ring, Packing rings and etc. including Consumable and T&P’s. | 1 | 2 | Nos |
| 2 | 2 | Inspection/Renewal of Guide bearing: Charges for dismantling old guide bearing from housing, cleaning , assembling the New/same bearing along with housing sleeve providing retaining plate, tightening the lock nut slowly up to the required clearance between outer race to roller as given in the drawing and tightening the external screw of the lock nut and other related works etc. including Consumable and T&P’s. | 2 | 2 | Nos |
| 3 | 3 | Renewal of new / reconditioned of air seal cover assembly in work involves dismantling of guide bearing housing cover assembly, cutting & removal of guide bearing housing arresting, removal of guide bearing housing assembly from its position, cutting and removal of defective air seal assembly, fixing of new/reconditioned air seal assembly in Stationary spool assembly and reassembling Guide bearing housing with new/old sealing tube assembly, fixing, aligning and removing arresting. including Consumable and T&P’s. | 3 | 2 | Nos |
| 4 | 4 | RENEWAL/RECTIFICATION Of HOT ENDSECTOR PLATE Charges for Removing the existing eroded Hot end sector plate sector plate. including Consumable and T&P’s. | 4 | 6 | Nos |
| 5 | 5 | Charges for Renewal / Recontioning of sector plate. including Consumable and T&P’s. | 5 | 6 | Nos |
| 6 | 6 | Charges for Cutting and removal of deteriorated static seal assembly for sector plate, cleaning well and finishing the surface, of new / old static seal assembly , leading positioning and welding of static seal assembly on the sector plate and connecting plates and also packing of kawool wherever necessary. including Consumable and T&P’s. | 6 | 6 | Nos |
| 7 | 7 | Charges for lifting of hot end heating element (850mm) baskets by providing lifting arrangements, water washing of the baskets with water & air blowing to remove chocking and refixing in position inside the APH compartment. including Consumable and T&P’s. | 7 | 240 | Nos |
| 8 | 8 | Charges for water washing of the Hot Intermediate Baskets (850mm) with water wash and air blowing to remove chocking in position inside the compartment. including Consumable and T&P’s. | 8 | 240 | Nos |
| 9 | 9 | Charges for erection of high head & high pressure capacity booster pump, drive motor, electrical push button and its accessories in boiler for water washing of APH Hot end, Hot intermediate to release ash & debris choke including necessary suction & discharges lines and isolation valves. After completion of water washing the same will be dismantled and returned. Including T&P's and consumables. | 9 | 1 | Activity |
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