Tender For Nctps - I - Se/Mi Circle - Aoh (26-27) - Bm Dn.- Unit-Ii- Annual Overhaul Of Air Pre Heater A Pass And Its Lube Oil System During The Year 2026-27
Tender Value
Ref. Documents
Estimated cost
Bid Submission
17 Nov 2026
3 days left
EMD
10400
Bank guarantee accepted
Document Fee
Ref. Documents
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Thiruvallur → Tamil Nadu
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Nctps - I - Se/Mi Circle - Aoh (26-27) - Bm Dn.- Unit-Ii- Annual Overhaul Of Air Pre Heater A Pass And Its Lube Oil System During The Year 2026-27
BOQ
| Sl. No. | Item Description |
| 1 | Charges for Providing platform and dismantling after completion of Expansion bellow cover plate and soot blower pipe erection work. Including Consumables and T&P’s. |
| 2 | Charges for removal of worn-out radial seal in both cold end and hot end (complete assembly) and re fixing with new HT bolts & nuts and positioning. (Including transporting of new materials from Stores to site and scraps from site to stores). (DOUBLE SEALING ARRANGEMENT). Including Consumables and T&P’s |
| 3 | Charges for removal of worn-out radial seal in both cold end and hot end (complete assembly) and re fixing with new HT bolts & nuts and positioning. (Including transporting of new materials from Stores to site and scraps from site to stores). (DOUBLE SEALING ARRANGEMENT). Including Consumables and T&P’s |
| 4 | Charges for removal of worn-out/damaged bypass seals (complete assembly CE & HE) fixing and positioning properly with new /old seals. (Including transporting of new materials from stores to site and scraps from site to Stores).(DOUBLE SEALING ARRANGEMENT) Including Consumables and T&P’s. |
| 5 | Charges for replacing of rotor post seal at hot end and cutting of sealing ring segments, cutting of tracking rod stuffing boxes, kawool packing and patch up sealing ring segments and leak arresting works around the guide bearing area and fixing of rotor post seals and rectification works on the eroded portions of spool seal assembly. (Including transporting of new materials from Stores to bite and scraps from site to stores).(DOUBLE SEALING ARRANGEMENT) Including Consumables and T&P’s To be quoted on line |
| 6 | Charges for levelling and aligning of the radial sector plates and axial seal plates with respect to the rotor axis. Including consumables and T&P’s |
| 7 | Inspection of Guide bearing: Arresting the APH rotor rigidly in all the axial doors around the entire Circumference of the rotor. Cutting 300 mm channel to the required length and welding the beam one end at the APH rotor angle another end at the axial door area (APH stationary area) with high rigidity for arresting movement if any of the rotor. Releasing the entire arresting channels after Inspection. Including Consumables and T&P’s. |
| 8 | Charges for removing the cover of support bearing, draining of lubricating oil from the sump, cleaning, flushing, rinsing and inspection of bearings checking level and refilling with new oil and re packing the covers properly. Including Consumables and T&P’s. |
| 9 | Charges for dismantling cleaning of lub oil cooler nest and filters. Including Consumables and T&P’s |
| 10 | Charges for assembling of lub oil cooler nest and filters Including Consumables and T&P’s |
| 11 | Charges for hydraulic testing of the APH Lub oil cooler @ 15 Kg/Cm2 pressure for 30 minutes in the presence of TNPGCL Engineer including Consumables and T&P’s |
| 12 | Charges for Dismantling & cleaning the lube oil lines of Guide bearing & Support Bearings with air & steam and reassembling. Including Consumables and T&P’s |
| 13 | Charges for Removal and refixing of support bearing water shield and air sealing ring. Including Consumables and T&P’s |
| 14 | Charges for 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., Consumable, T&P’s oil seals, bearing etc. |
| 15 | Charges for cutting and removing of rigid stoppers checking and correction of rotor leveling, checking and correction of critical distance between guide bearing housing and housing sleeve and fixing, welding the rigid stoppers and provide shim packing in between guide bearing housing and permanent stoppers. Including Consumables and T&P’s. |
| 16 | Charges for Checking and cleaning of APH main gear drive unit including decoupling of APH drive from motor, dismantling of fluid coupling, draining of gear box lube oil from gear box, opening of gear box inspection doors and bottom pinion door, cleaning, inspection and Checking of all components inside the gear box and pinion, checking the tapper lock bush, root gap and bottom gap of pinion and pin rack, and grinding the bur projected on bottom surface of the pinion and renewal of lubricant oils and assembly the same. Including Consumables and T&P’s |
| 17 | Charge Alignment of APH drive motor with speed reducer through fluid coupling. Including Consumables and T&P’s |
| 18 | Renewal / reconditioning of metallic expansion joints in PA out let & SA out let in A Pass size (Style#1) Work involves arresting the upstream and down stream of duct, cutting and removal of existing eroded cover plate and metallic expansion joints and gauching. Leading, lifting, positioning of new/ old expansion joint, aligning with the duct channel and complete welding. Including consumables and T&P’s |
| 19 | Renewal / reconditioning of metallic expansion joints in APH out let in A Pass size (Style#2) Work involves arresting the upstream and downstream of duct, cutting and removal of existing eroded cover plate and metallic expansion joints and gauching. Leading, lifting, positioning of new/ old expansion joint,aligning with the duct channel and complete welding. Including consumables and T&P’s. |
| 20 | Renewal / reconditioning of metallic expansion joints in APH Eco Outlet Size (Style # 4 ) Work involves arresting the upstream and downstream of duct, cutting and removal of existing eroded cover plate and metallic expansion joints and gauching. Leading, lifting, positioning of new/ old expansion joint, aligning with the duct channel and complete welding. Including consumables and T&P’s. |
| 21 | 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 consumables and T&P’s. |
| 22 | Overhaul of air motor, over running clutch, Bibby coupling and connected air lines, valves etc. including changing the damaged filters valves if necessary etc. complete (spares will be supplied by TNPGCL on free of charges) consumables and T&P’s |
| 23 | Overhaul of APH soot blower mechanism includingdismantling, changing the bearings, soot blowers spray nozzles, if necessary and changing of lubrication and reassembling etc. consumables and T&P’s. |
| 24 | 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 sacrificial baskets, Hot end baskets, Hot intermediate baskets and cold end baskets to release ash & debries choke including necessary suction & discharges lines and isolation valves. After completion of water washing the same will be dismantled and returned. Including consumables and T&P's. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Nov 13, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedNov 17, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 3 daysNov 17, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 3 daysTender Documents
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