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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹5.0 LAccepted-AOC 36 151 E 25 PERIYAR NAGAR THANGAMAPURIPATTINAM METTUR DAM 02 | SALEM | TAMIL NADU | 621011 | L1 | Accepted-AOC L1 | |
| 2 | L2₹4.3 L+₹3,120 (0.73%)Rejected-Finance 19 M G WORKS S BLOCK NEAR PONDY ENGINEERS PONDICHERRY | PONDICHERRY | PUDUCHERRY | 605001 | L2 | Rejected-Finance L2 |
| Sl No | Description | Qty | Unit | JS ENGINEERING WORKS L2 | TAM AND CO L1 |
|---|---|---|---|---|---|
| 1.00 | Overhauling of 4 No’s Hydrogen coolers by replacement of worn out gaskets, removal of scales, inspection & cleaning of H2 coolers tunnels and generator bottom casing.
a)Dismantling of the hydrogen coolers inlet and outlet CCW water pipe lines and providing dummy plates. | 4 | Nos | 1,150 ₹4,600 | 1,140 ₹4,560 Lowest |
| 2.00 | Dismantling / releasing of Hydrogen coolers from the generator and placing at a convenient location. | 4 | Nos | 4,000 ₹16,000 | 3,950 ₹15,800 Lowest |
| 3.00 | Dismantling of water boxes of the released cooler, removing of scales in tubes by brush and flushing of cooler tube with water, applying Anti-corrosive block paint in the water box replacing the HR rubber gaskets 5mm thickness with new one, reassembling the water boxes including cost of materials | 4 | Nos | 8,200 ₹32,800 | 8,170 ₹32,680 Lowest |
| 4.00 | Checking the healthiness of H2 coolers by conducting the hydraulic test. | 4 | Nos | 3,720 ₹14,880 Lowest | 3,720 ₹14,880 Lowest |
| 5.00 | Inspection of the Hydrogen cooler tunnels and cleaning the inner side of tunnels, inspection of hydrogen diffusing system pipes and cleaning of oil fumes inside the casing. | 4 | Nos | 7,230 ₹28,920 Lowest | 7,230 ₹28,920 Lowest |
| 6.00 | Dismantling the turbo generator bottom manhole inspection cover, inspection & cleaning of turbo generator bottom casing, replacement of 8mm HR rubber gasket and reassembling the turbo generator bottom manhole inspection cover including cost of materials. | 1 | Nos | 18,500 ₹18,500 | 18,300 ₹18,300 Lowest |
| 7.00 | Assembling the cooler in the generator with new gaskets including cost of materials. | 4 | Nos | 7,000 ₹28,000 | 6,950 ₹27,800 Lowest |
| 8.00 | Checking gas leakage by applying soap water solution and U tube manometer and air tightness test of generator. | 4 | Nos | 2,700 ₹10,800 | 2,675 ₹10,700 Lowest |
| 9.00 | Dismantling the dummy plates and Assembling of inlet and outlet cooling water pipe lines of H2 coolers with new 8mm HR Rubber gaskets including cost of materials. | 4 | Nos | 3,650 ₹14,600 | 3,600 ₹14,400 Lowest |
| 10.00 | Overhauling & Gasket renewal of CCW Inlet & Outlet Hand operated Gate valve (DN 150mm) in H2 cooler. | 8 | Nos | 5,550 ₹44,400 | 5,500 ₹44,000 Lowest |
Tender Value
Refer Docs
EMD Value
₹4,100
Closing Date
29 Jul 2025, 2:00 pmClosed
CE / MTPS - II
O/o CE / MTPS - II
TGMCA Division Complete overhauling of Hydrogen coolers, Overhauling of Gate valves in H2 coolers Generator Stator water pumps A B Plant air compressor coolers and H2 Dryer compressors
2025_EB_581868_1
OT 29/25-26
Open Tender
Maintenance Works
Works
30 days
SEESMTPSII
Please refer Tender documents.
4 documents required · 4 mandatory
₹0
₹4,100
Yes
12 Nov 2025
15 Jul 2025
30 Jul 2025
15 Jul 2025
29 Jul 2025
15 Jul 2025
Amount
Overhauling of 4 No’s Hydrogen coolers by replacement of worn out gaskets, removal of scales, inspection & cleaning of H2 coolers tunnels and generator bottom casing. a)Dismantling of the hydrogen coolers inlet and outlet CCW water pipe lines and providing dummy plates.
Dismantling / releasing of Hydrogen coolers from the generator and placing at a convenient location.
Dismantling of water boxes of the released cooler, removing of scales in tubes by brush and flushing of cooler tube with water, applying Anti-corrosive block paint in the water box replacing the HR rubber gaskets 5mm thickness with new one, reassembling the water boxes including cost of materials
Checking the healthiness of H2 coolers by conducting the hydraulic test.
Inspection of the Hydrogen cooler tunnels and cleaning the inner side of tunnels, inspection of hydrogen diffusing system pipes and cleaning of oil fumes inside the casing.
Dismantling the turbo generator bottom manhole inspection cover, inspection & cleaning of turbo generator bottom casing, replacement of 8mm HR rubber gasket and reassembling the turbo generator bottom manhole inspection cover including cost of materials.
Assembling the cooler in the generator with new gaskets including cost of materials.
Checking gas leakage by applying soap water solution and U tube manometer and air tightness test of generator.
Dismantling the dummy plates and Assembling of inlet and outlet cooling water pipe lines of H2 coolers with new 8mm HR Rubber gaskets including cost of materials.
Overhauling & Gasket renewal of CCW Inlet & Outlet Hand operated Gate valve (DN 150mm) in H2 cooler.
aGasket renewing for 150 mm hand operated gate valve in H2 coolers, this work involves Removing the valve from line, Cleaning The flange surface on both sides, Preparation of gaskets for both ends, positioning the valve in the Line with gaskets and tightening the flange bolts & nuts.
Complete overhauling of Generator Stator water pumps - A&B (Primary water pumps).
Overhauling of CCW Inlet & Outlet Butterfly valve (DN200mm) in Stator water system.
Plant compressor Inter cooler, After Cooler cleaning work. Dismantling / Assembling the Inter cooler /After Cooler bunch then checking for leakage & plugging the leak tubes. Inclusive of Hydro test.
Dismantling the oil cooler after isolation of cooling water line. Cleaning of tubes Reassembly of the tube bundle with renewal of ‘O’ ring /gasket. Normalization of the cooling water lines. Cleaning oil spillage in the compressor completely.
Overhauling and Changing of contaminated lubricating oil by new Servo frisz 68 oil and complete filling of R134a Refrigerant Gas of Generator H2 Dryer compressor H2 dryer expansion valve replacement work with R134a gas filling.
H2 dryer compressor overhauling work.
JS ENGINEERING WORKS (BID ID -1413424)
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