Tamil Nadu Generation And Distribution Corporation Limited-TANGEDCO has published Tender For Attending Breakdown Maintenance Works In Aph’S, All Lub Oil System For A Period Of One Year From 01.04.2024 To 31.03.2025.. Submission Date for this Tender is 19-01-2024. APH Tenders in Thiruvallur Tamil Nadu. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Opening of all manhole doors, and closing manhole doors after completion work including changing of asbestos ropes and clamps in the doors. Including cost of consumables & T&P"s |
| 2 | Removal of ash deposit around guide bearing area, and inside the APH. Including cost of consumables & T&P"s |
| 3 | Charges for levelling and aligning of the radial sector plates and axial seal plates with respect to the rotor axis. Including cost of consumables & T&P"s |
| 4 | Charges for fixing up straight edge after finding the low point of sector plate, adjusting the radial seals to correct clearance and clamping the seals in both hot end and cold end of APH.(SINGLE SEALINGand Double Sealing ARRANGEMENT). Including cost of consumables & T&P"s |
| 5 | Charges for dismantling of Air motors/inspection and renewal of internals, vanes, bearings and reassembling works. Including cost of consumables & T&P"s. |
| 6 | Inspection replacing the worn out over running clutch and related works. This work involves disconnecting the Bibby resilient coupling, removing the over running clutch and its extension shaft. Replacing the worn-out over running clutch, extension shaft.Checking and correction of alignment of the Bibby resilient coupling. Including cost of consumables & T&P"s |
| 7 | APH – Inspection – Replacing the worn out fluid coupling of the speed reducer. This work involves disconnecting the runner half coupling, renewing the new fluid coupling or replacing the same coupling after rectification and checking the alignment and trial run. Including cost of consumables & T&P"s |
| 8 | Charges for dismantling cleaning of lub oil cooler nest and filters. Including cost of consumables & T&P"s |
| 9 | Charges for assembling of lub oil cooler nest and filters. Including cost of consumables & T&P"s |
| 10 | Overhauling of APH lub oil pumps and valves for Support bearing and guide bearing. This work includes Dismantling, cleaning, Inspection of bearings, Gears, internals and replacement of the same if required then reassembling and alignment works etc. Including cost of consumables, T&P"s. |
| 11 | Changing of worn-out / damaged resilient plate and fixing of new/reconditioned resilient plate.Including cost of consumables & T&P"s |
| 12 | Removing the worn-out mechanic oil seals from APH Guide bearing & APH support bearing Lop’s works involves, removing the pipe line joints, pump spacer, coupling & pump shaft of the pump and changing the mechanic oil seals and reassembling.Including cost of consumables & T&P"s |
| 13 | Cleaning of APH equipments such as Guide bearing assembly, Main drive gear box assembly, Support bearing assembly and LOPs. Including cost of consumables & T&P"s |
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