Tender For Ttps - Mech.Ii - Tm I - Unit-Iii - Inspection, Overhauling Of Hpt / Ipt Control Valves, Cam Shaft Assemblies And Turbine Bearings During The Forthcoming Annual Overhaul
Tender Value
Ref. Documents
Estimated cost
Bid Submission
17 Oct 2026
14 days left
EMD
4500
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
Tuticorin → Tamil Nadu
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Ttps - Mech.Ii - Tm I - Unit-Iii - Inspection, Overhauling Of Hpt / Ipt Control Valves, Cam Shaft Assemblies And Turbine Bearings During The Forthcoming Annual Overhaul
BOQ
| Sl. No. | Item Description |
| 1 | Inspection and overhauling of HPT / IPT control valves and cam shaft assembliesDismantling, overhauling and assembling of HP & IP control valve columns. Dismantling the control valve columns after loosening the bolts, dismantling its liners, spring assembly liner sliding pin, dismantling the roller bearings, cleaning the above items, inspection of liner key way and measuring the dimension, welding and grinding to the dimension required, greasing the bearing, assembling the dismantled parts and setting the roller clearance as per the direction of engineer in charge. |
| 2 | Dismantling, overhauling and assembling of HP & IP cam shaft arrangement. Dismantling the cam shaft arrangements from its plumber blocks. Inspection of all bearings, changing the damaged bearings, metal building and machining if required in the bearing seating area, cam inspection and changing the damaged cam. Greasing of all bearings and assembling. |
| 3 | Dismantling, inspection, and changing of HP & IP control valves: Cutting the spindle leak off lines, heating the cap nut of steam chest by gas, dismantling the control valve assembly from steam chest, cleaning of all parts removal of steam strainer and cleaning spare valve and valve seat lapping and checking blue matching, steam chest flange lapping and blue matching, checking valve stem and liner clearance, valve stem DYE penetrant checking etc., a). Dismantling the control valve assembly from steam chest, cleaning of all parts, removal of steam strainer and cleaning spare valve and valve seat lapping and checking blue matching, Assembling the spare valve with steam chest and tightening the cap nut etc., checking Idle lift connecting the spindle leak off lines and welding as per the direction of the Engineer-in- charge. |
| 4 | Drilling the hole in stem for providing split pin, providing split pin, checking the washer clearance, checking valve lift etc., |
| 5 | Identification of leakage in the flange & stud heating system of HPT/IPT with high pressure air & arresting the leak by welding including cost of welding electrodes |
| 6 | Inspection and cleaning of ESV/IV Pilot valve includes checking the necessary clearances in the pilots with liners and assembling with renewal of wornout spares. |
| 7 | Flushing of ESV/IV cooling water hoses and checking leakages if any. |
| 8 | Painting of ESV/IV, camshaft assembly and control valve column actuator with two coat of enamel paint. |
| 9 | Inspection of TG BearingsDismantling, inspection and assembling of, Turbine top half of the bearings 1 to 7 (each Bearings):Dismantling the bearing pedestal cover, top half of the bearings, DPT check, bedding inspection, oil clearance checking and correction, assembling the top half of the bearing, checking of interference and assembling the top cover |
| 10 | Painting in bearing pedestals with two coat of heat resistant paint including the cost of paint Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Oct 01, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedOct 17, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 14 daysOct 21, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 18 daysTender Documents
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