Tender For Nctps - I - Se/Mi Circle - Aoh (25-26) - Bm Dn. - Unit-I - Annual Overhaul Of Air Pre Heater A & B Pass And Its Lube Oil System During The Year 2026-27
Tender Value
Ref. Documents
Estimated cost
Bid Submission
01 Oct 2026
2 days left
EMD
5100
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 (25-26) - Bm Dn. - Unit-I - Annual Overhaul Of Air Pre Heater A & B Pass And Its Lube Oil System During The Year 2026-27
BOQ
| Sl. No. | Item Description |
| 1 | Opening of all manhole doors, and closing of all manhole doors, after completion work including changing of asbestos ropes and clamps in the doors, consumable and T&P’s. |
| 2 | Charges for dismantling cleaning of lube oil cooler nest and filters. Including Consumables and T&P’s |
| 3 | Charges for assembling of lube oil cooler nest and filters Including Consumables and T&P’s |
| 4 | 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 |
| 5 | Charges for Dismantling & cleaning the lube oil lines of Guide bearing & Support Bearings with air & steam and reassembling. Including Consumables and T&P’s |
| 6 | Charges for complete dismantling of entire APH soot blower system, Fixing new protection cover for the soot blower pipe, Renewal of eroded guard pipe and Renewal of new pipe and reassembling with new soot blower pipe with twin nozzle assembly. a) Overhaul of APH soot blower mechanism including dismantling, changing the bearings, soot blowers spray nozzles, if necessary and changing of lubrication and reassembling etc. Including consumables and T&P. |
| 7 | 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. |
| 8 | Charges for dismantling of Air motors/inspection and renewal of internals, vanes, bearings and reassembling works. Including Consumables and T&P’s. |
| 9 | Charges Cleaning of steam coil Air pre-heater. Including Consumables and T&P’s |
| 10 | 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 |
| 11 | Charge Alignment of APH drive motor with speed reducer through fluid coupling. Including Consumables and T&P’s |
| 12 | Water washing of Air pre heater. Including consumables and T&Ps |
| 13 | 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 consumables and T&P’s. |
| 14 | Arresting air leakage in and around the pinion air seal assembly, air seal assembly cover and patch up, filling weld metal on the eroded portion of the pinion air seal, replacing the carbon ring with tension spring. Including consumables and T&P’s Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Sep 26, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedOct 01, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 2 daysOct 03, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 4 daysTender Documents
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