Tender For Annual Maintenance Works Of Unit-Ii Of Madhmaheshwar - Shp (3X5 Mw+15% Col) Located In Village- Chunni, District- Rudraprayag, Uttarakhand
Tender Value
49.55 Lakhs
Estimated cost
Bid Submission
06 Oct 2026
11 days left
EMD
1 Lakhs
Bank guarantee accepted
Document Fee
2360
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Pauri Garhwal → Uttarakhand
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Annual Maintenance Works Of Unit-Ii Of Madhmaheshwar - Shp (3X5 Mw+15% Col) Located In Village- Chunni, District- Rudraprayag, Uttarakhand
BOQ
| Sl. No. | Item Description |
| 1 | Name of works |
| 2 | Top cover: - Design, detail engineering, drawing of appropriate dismantling type liner thickness 8-10mm (SS 410) & fixing arrangement on Top cover of turbine including Machining/removal of MS material from top cover to maintain required clearances to fix Stainless-Steel liner. Supply & fixing of Stainless-Steel material (Liners) in proper shape. Boring of guide vane bush holes in top cover of proper size through VBM. Final machining of top cover to maintain dimension as per OEM drawing/existing for full load output. Supply & replacement of labyrinth (Generator side cover). Complete testing in all respect including all men, material & all T&P required for proper completion of work |
| 3 | Bottom cover: - Design, detail engineering, drawing of appropriate dismantling type liner thickness 8-10mm (SS 410) & fixing arrangement on Bottom cover of turbine including Machining/removal of MS material from bottom to maintain required clearances to fix Stainless-Steel liner. Supply & fixing of Stainless-Steel Liner in proper shape. Boring of guide vane bush holes in bottom cover of proper size through VBM. Final machining of bottom cover to maintain dimension as per OEM drawing/existing for full load output. Supply & replacement of exit labyrinth (between bottom cover & D/T expansion joint Cone piece). Complete testing in all respect including all men, material & all T&P required for proper completion of work. |
| 4 | Guide Vanes: - Dismantling, removal of damaged portion by deep grinding, welding & machining of Guide vanes (20 Nos), welding work shall be in slow welding and long cooling concept to avoid any thermal stress or any deviation in Guide vanes dimension, bedding of 20 Nos guide vanes according to the dimension in drawing to arresting leakage minimum, greasing, proper setting of regulating ring with GV link & lever assembly, final adjustment, dry testing and operation complete in all respect including all men, material (consumables as per annexure-I) & all T&P required for proper completion of work. |
| 5 | Guide Vanes Bush Housing: - Supply, replacement, testing and commissioning of bush housing (20 Set), seals and O ring as per sample including all men, material & all T&P required for proper completion of work. |
| 6 | Runner Assembly: - Dismantling of runner cone and runner, measuring blade profile, inlet & discharge area dimension, gouging of uneven surfaces (portion at the start weld build up) welding by using rod D&H/L&T make E410-NiMO grade special low heat electrode suitable for welding CA6NM casting of runner with proper heat treatment process, grinding, profile making as per OEM supplied template. during repairing following test to be performed by contactor own cost. i. DPT & UT test to detect weld joints and entire heat-affected zone internal flaws like cracks, pin holes, voids, cavities, lack of fusion and reports shall be submitted in detail. ii. After repairing & maintaining final dimensions as per drawing for full load output capacity static & dynamic balancing in a dynamic balancing machine by mounting of runner in mandrel done by contractor and report shall be submitted in detail including all men, material (consumables as per annexure-I) & all T&P required for proper completion of work. |
| 7 | Shaft Seal Assembly & Balancing Pipe System: - Complete dismantling of shaft seal assembly, inspection of damaged labyrinth ring, repair and maintenance of shaft seal assembly. Supply and replacement of Straub, damaged pipe portion, Nut & bolts. Reassembly of shaft seal assembly, arresting of leakage to minimum, testing complete in all respect including all men, material & all T&P required for proper completion of work. |
| 8 | 7.5 MVA Transformer: - Removal of HT jumpers & LT Cable, cleaning of Transformer & painting, Checking of oil level, measurement of BDV, IR & PI value before and after Centrifuging of oil, Checking of Nitrogen Pressure in Air Cell, refilling of nitrogen if required, replacement of Silica gel of air Breather, Testing of OTI & WTI alarm and tripping functions & Buchholz relay function test complete in all respect including all men, material & all T&P required for proper completion of work. |
| 9 | 6.250 MVA Synchronous Generator: Complete servicing overhauling & repairing of DE & NDE bearing during annual maintenance. (i)Inspection of DE & NDE Bearing, thrust pads, counter thrust pads, cleaning, scrapping, adjustment and blue matching of pads. (ii) Complete repair and maintenance of Synchronous Generator braking system. Supply & replacement of brake pads. (iii) Complete cleaning (removal of oil, moisture, dirt & carbon) from flywheel area. measurement of IR & PI value before spinning of machine. (iv) Complete levelling & alignment of Generator rotor with Turbine at the time of Box up of machine. Above work shall be completed in all respect including all men, material & all T&P required for proper completion of work. |
| 10 | Lubrication Oil System (LOS): - Complete Servicing/ overhauling cleaning of tank, recalibration of all pressure switches. Servicing of pressure relief valve for proper oil flow & pressure required to Generator bearing and testing of DROPCO make Lubrication Oil System through OEM Authorized person, in all respect including all man & material required for proper completion of work. |
| 11 | Oil Pressure Unit (OPU): - General Servicing, Repairing, Calibration, loading/unloading timing, Nitrogen pressure in accumulator (fill if required by contractor own cost), arresting of oil leakage approx. to zero and testing of Rexroth make OPU through OEM Authorized person. complete in all respect including all men, material & all T&P required for proper completion of work. |
| 12 | Epoxy Painting Work on underwater parts of Turbine: i. Clean the Surface: Remove dirt, oil and other contaminants using suitable solvent. Rinse thoroughly with clean water and let the surface dry completely. ii. Apply Black Epoxy Paint on the inner side of Spiral, D/T expansion joint, MIV and its expansion joint, Bypass pipeline etc. including all labor, material, T&P etc. required for completion of work. |
| 13 | Box up, Final Testing & Synchronization of Machine: - Complete reassembly of turbine components, replacements of all dummy plug of turbine, leveling and alignment of complete turbine and generator assembly, checking healthiness of auxiliaries related to Unit-I i.e. UCB, SCADA, AVR Panel, GRMP, TRMP, NGT & LAVT, TG SF6 circuit breaker, after checking of all panel, testing of machine in all respect & synchronization of machine with grid. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Sep 09, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedOct 06, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 11 daysOct 09, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 14 daysTender Documents
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