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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | 1₹1.8 LAccepted-Finance | 1 | Accepted-Finance Price Bid is evaluated | |
| 2 | 2₹1.8 L+₹1,310 (0.72%)Accepted-Finance BUILDING NO 69 30 BAJANAI KOIL STREET VADAPALANI CHENNAI 600 026 | CHENNAI | CHENNAI | TAMIL NADU | 600026 | 2 | Accepted-Finance Price Bid is evaluated |
Tender Value
Refer Docs
EMD Value
₹2,300
Closing Date
21 Jul 2023, 2:00 pmClosed
SE/M.II/TTPS
Superintending Engineer, Mechanical-II, Tuticorin Thermal Power Station, Tuticorin
TTPS M II TM I Unit I Overhauling of HPT IPT control valves and cam shaft assemblies etc during the forthcoming overhaul
2023_EB_336801_1
SE/M.II/TTPS/No.241/2023-2024
Open Tender
Miscellaneous Works
Item Rate
10 days
TTPS
As per BQR conditions in NIT
8 documents required · 8 mandatory
₹0
₹2,300
Yes
26 Jul 2023
6 Jul 2023
24 Jul 2023
6 Jul 2023
21 Jul 2023
6 Jul 2023
Dismantling, 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.
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.
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.
Drilling the hole in stem for providing split pin, providing split pin, checking the washer clearance, checking valve lift etc.,
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
Inspection and cleaning of ESV/IV Pilot valve includes checking the necessary clearnces in the pilots with liners and assembling with renewal of wornout spares.
Flushing of ESV/IV cooling water hoses and checking leakages if any.
Painting of ESV/IV, camshaft assembly and control valve coloumn actuator with two coat of enamel paint.
BHARATHI ENTERPRISES
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