Tender For Complete Restoration Work Of Chep-I And Accessories (4 No. Machines I.E. Unit-I, Ii, Iii & Unit-Iv) Of 23.3 Mw (5X4.66Mw) Chennai Hep, Jkspdc, Generation Division Udh Ur, J&K Ut Involving All The Works Related To Runner, Miv, Turbines With
Tender Value
27.41 Crore
Estimated cost
Bid Submission
31 Aug 2026
8 days left
EMD
55 Lakhs
Bank guarantee accepted
Document Fee
10000
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Udhampur → Jammu and Kashmir
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Complete Restoration Work Of Chep-I And Accessories (4 No. Machines I.E. Unit-I, Ii, Iii & Unit-Iv) Of 23.3 Mw (5X4.66Mw) Chennai Hep, Jkspdc, Generation Division Udh Ur, J&K Ut Involving All The Works Related To Runner, Miv, Turbines With Allied Components Including Control And Protection Panels, Instrumentation, Hydro-Mechanical Works, Lubrication System, Hpu ,Cooling System And Specifically Restoration Of Synchronous Generators With Its Auxiliaries As Envisaged In The Detailed Scope Of Work
Corrigendum
| Sr No | Corrigendum Date | Corrigendum | Type | New Submission Date |
|---|---|---|---|---|
| 1 | 12-Aug-2026 | Pre bid meeting notice | Other | 31-Aug-2026 |
| 2 | 12-Aug-2026 | Pre bid meeting notice | Other | 29-Aug-2026 |
BOQ
| Sl. No. | Item Description |
| 1 | Turbine & Associated ComponentsRunner including Buckets Replacement of old and Supply and Installation of new speed sensors along with connecting cables compatible with existing associated components and other allied works |
| 2 | Buckets:• Sandblasting, primer coating, and finishing with an epoxy paint with marine grade be carried out on entireinstallation for the effective refurbishment and long-term protection.• Proper surface preparation is ensured before coating performance |
| 3 | Runner Housing, Turbine chamber and Shield PlateRefurbishment of runner housing including sand blasting and Epoxy painting with marine grade inclusive of all material and allied works |
| 4 | Replacement of old and Supply and Installation of new of existing MS Shield Plate and nut bolts with new one of SS material and application of High Velocity Oxygen Fuel (HVOF) Coating on new Shield plates only |
| 5 | Replacement of old damaged seals and Supply and Installation of new seals ( NBR Shore 70) and packing with new rubberized cork sheets and welding wherever required |
| 6 | Replacement of old and Supply and Installation of new nut bolts .Note: During refurbishment /repair/ replacement, Utmost care shall be taken for civil associatedstructures and same be repaired in well manner accordingly wherever required |
| 7 | Drive End (DE) BearingReplacement of existing bearings with new one and other allied works including supply, Installation, alignment, rechecking and allied mandatory tests of shafts, bearing housing and bearing covers and insitu minor repairs to shaft (if reqd after removal of bearings).Complete housing along with bearing to be replaced |
| 8 | Brake Jet SystemReplacement of old and Supply / Installation of new of complete braking system and its integration with the existing OPU system including all piping works, auxiliaries, other allied associated works and integration with the digital governor system.The nozzle for brake jet is to be replaced.i. The hydraulic valve utilized for turning the water jet on/offshall be replaced along with the Supply installation testing and commission of new hydraulic pipeline from the OPU.ii. The SITC of complete braking system and its integration with the OPU system & integrated with the digital governor system and same be taken up before restoration of the machines.iii. Restoration of brake jet system be interfaced and integrated with Governor for all 4 units.iv. Supply of other auxiliaries like piping and other details of braking system shall be compatible with the systemv. Replacement of damaged brake jet system with new one, compatible with the system. |
| 9 | vi. In addition to above, at least 1 no. sets be kept as spare to tackle any eventuality in future.Nozzle and operating mechanism, directional/solenoid valves, hoses with unions, operating valves as installed in new brake jet system all sensors as installed in the new brake jet system along with associated gauges, filters, gasket, seal etc to be supplied as spare. |
| 10 | Nozzle Seat Ring, Needle Tip (Bottom & Upper side) and Deflectors To enhance the life of nozzle seat ring, it is recommended to replace all the parts of brass material of this equipment and consider using stainless steel material, with HVOF coating instead of brass. Additionally, applying HP-HVOF coating to the needle tip is recommended for improved durability and erosion resistance.Replacement of Existing 2 (two ) Nos. Nozzles, Seat rings 2 no's and Deflectors 2no's including Deflector rod and connecting pins in each machine with supply and installation of new one of SS material and HVOF coating thereof. Setting Alignment and other allied works.SS material should specifically be of ASTM A240 UNS 41500 with HVOF or F6NM (13 Cr-4Ni) with HVOF or X3CrNiMo13-4+QT780 with HVOF or Gx4CrNi13-4+QT780.Replacement of Complete nozzle assembly (excluding housing) with HVOF Coating wherever applicable. |
| 11 | Overhauling of existing 2nos Nozzle servo motors and Deflectors Servomotor including replacement of all the NBR shore 70 seals, gaskets, transducers/ Sensors with compatible cabling works.Replacement of 2 No deflector servomotor transducer for each machine.Replacement of 2 No nozzle servomotor transducer for each machine.Setting, Alignment & other allied works be checked again before restoration of the units. |
| 12 | Cooling water System:Dismantling of existing Cooling water system.Design, supply installation testing and commissioning of 1W+1S CW scheme (mechanical seal type) with dual inline filters and separators with back flushing including other allied piping of SS material. Pumps must operate in automatic mode with alternating operation logic to ensure redundancy.Provide discharge piping for silt flushing and proper drainage system connection.Non-Return Valves (NRV ball type)-8 No (To prevent backflow in pipelines).Isolation Valves (Butterfly/Gate) for maintenance and flow control.Dismantling of old choked water re-coolers. Design, Supply, Installation, testing and commissioning of new water re-Coolers in the tailrace of the power house including associated pipelines( SS material) and other allied works including required associated works like tapping of connection, PRV and other items |
| 13 | Main Inlet Valve (MIV) & Bypass ValveOver hauling of MIV Spherical Valve & By pass valve including all the seals, bushes and necessary accessories along with piping Compatible with the existing system and interfacing with the digital governor panel |
| 14 | Replacement of old & SITC of New OPU for MIV & By pass valve -along with piping etc compatible with existing system and interfacing with governor panels |
| 15 | Replacement of Old & SITC of new MIV servomotor, bypass mechanism, gate valve, seals, bushes, Transducers and other allied works. The whole mechanism shall be integrated and operatable through HPU of that particular unit.OrIf the bidder proposes to replace the existing complete MIV assembly with the supply, installation, testing and commissioning of a new assembly comprising the MIV, OPU, Spherical valve, Bypass valve, all seals, bushes and all other necessary allied components and works, they may do so. However, all the components removed from the existing MIV assembly shall remain the property of JKSPDC |
| 16 | Digital Governor panels and OPUSupply and installation of heat exchanger system (complete) for governor OPU along with allied piping work. |
| 17 | Up gradation of Digital Governor by way of retrofitting the obsolete existing governor PLC, AI, AO, DI, DO with new compatible modules( including supply, installation, testing and commissioning), (HIPASE/SICAM/HyCon) based control systems that should be compatible with existing system, including all allied works such as system integration, wiring modifications, software configuration, testing & commissioning and replacement of defective components like relays, annunciator display LEDs and other associated accessories. Installation of new field instruments like pressure switches, feedback transducers, speed sensors, proximity switches etc. |
| 18 | Complete overhauling of Governor OPU by way of replacing all the proportional valves, check valves, Filters, solenoid valves, gauges, regulating valves, manifolds, transducers, piping, seals, gaskets etc. The job also includes overhauling of Governor pumps and other allied works.orThe contractor may supply new Governor OPU of reputed make however, the old replaced OPU shall remain the property of JKSPDC |
| 19 | Replacement of piston accumulator along with associated components. |
| 20 | Generator & AuxiliariesGenerators- StatorDismantling of Generator covers. Cleaning with solvent and drying out, Red gel varnish (CRC/ stanvac ) Varnishing (Class-F) , Drying Out, baking of Generator stator windings and other allied associated till desired values of IR &PI are achieved. |
| 21 | Replacement of Old damaged seals and packings with new rubberized cork sheets, welding/ brazing wherever required |
| 22 | Replacement of Old & Supply and Installation of all nut’s bolts and pins with new ones. |
| 23 | Replacement of old and Supply and Installation of RTD’s, Generator heaters including compatible cabling and other allied associated works. |
| 24 | Supply and Installation of instrument transformers CTs & PTs. |
| 25 | Complete Overhauling of Neutral Grounding system including replacement of grounding copper links |
| 26 | Generator Rotor for M/C Unit-1 to Unit-4Cleaning, Red gel varnish (CRC/ stanvac ) Varnishing (Class-F) and drying out, baking of rotors along with repairs of slip rings, replacement of Carbon brushes (Mersen Make) and brush holders, replacement of RTD and other allied works till desired IR & PI values are achievedRepair to slip ringsAlignment of machine Measure the voltage drop across each pole to ensure they are within 5% of eachother, confirming balanced electrical characteristics. Perform check of the journal surfaces and check for rotor bowing or distortion,particularly if any welding was performed |
| 27 | Supply of spare Carbon brushes ( Mersen Make) for the machine |
| 28 | Generator Air coolersDismantling of existing air coolers, cleaning/ de-calcination with chemicals and high pressure water jets, replacement of damaged seals and packing with new rubberized cork sheets, welding/ brazing wherever required. |
| 29 | Supply of high-pressure pumps along with accessories for cleaning of generator air coolers. |
| 30 | NDE BearingsDismantling of old Bearings and cleaning of bearing housings. Supply, installation, testing and commissioning of new bearings including alignment and other allied works like replacement of RTD's etc . |
| 31 | CO2 BankOverhauling and restoration of fire extinguishing system and its refilling thereof along with integration with all the 05 machines and other allied works. |
| 32 | Excitation SystemDismantling of Dry type Excitation Transformers, Replacement of existing 100 KVA Excitation transformers with new ones of compatible size, Shop testing, Erection at Site, Testing and Commissioning ensuring compatibility with with the Existing panels /cubicals and other associated parts of the PH |
| 33 | Replacement of old damaged cable 3 core Arm cable from excitation transformer to Excitation panel including supply, installation, testing and commissioning |
| 34 | Up gradation of Excitation system panels by way of installing new Excitation system Hot standby (1w+1s) including it's integration with other system for smooth Excitation, synchronizing, operation and functioning of machines. Effective cooling and ventilation system must be ensured to avoid heating up of panels. Cleaning & drying of Excitation Transformer foundation and surrounding area and to be repaired by epoxy mortar to provide a smooth concrete surface wherever required.Shop testing, Erection at Site, Testing and Commissioning ensuring compatibility with the Existing panels/cubicals and other associated parts of the PH.Note: After replacing old excitation transformers and installing new ones, a comprehensive,multi-stage, general check and testing procedure is required to ensure safety andperformance. This involves visual inspection, mechanical checks, and electricaltesting to verify insulation, winding integrity, and protective device functionality as perBIS /IEEE and must be compatible with the existing associated components of theplant. |
| 35 | Automation and Protection SystemProtection & Control Relay Panels of GT Transformers, Generators etcDismantling of old panels, extraction of functional MICOM relays, energy meters etc. Supply and installation of new complete Protection and Control relay panels for GT Transformers, Generators, Excluding MICOM relays, VAMP-300 and energy meters (Existing functional extracted items to be re-used), retrofitting the same along with associated cabling works and integration thereof .All the existing generator switchgear panels along with bus coupler to be replaced which includes busbar protection panel as well. |
| 36 | Synchronizing & operators control deskDismantling of old manual synchronizing desk and Up-gradation of existing control desk and auto synchronizing panel for all the 05 machines including Replacement of non-functional HMI’s and their integration with the protection system, control system, digital Governor system and other allied works. Work station for control room with printer & Operator office desk for control room.Feruling & tagging of all the control cables and power cables to be ensured. |
| 37 | Oil Lubrication System (OLS)Dismantling of old and Supply & Installation of new lubrication system along with its integration and other allied works.Dismantling and replacement of old oil re-coolers and Supply and Installation of new compatible oil re-coolers including allied piping works |
| 38 | LTAC PANELS (all unit auxiliary+ common system)Dismantling of all old LT AC panels of unit auxiliary and common system |
| 39 | Replacement of old & Supply and Installation of new Unit auxiliary LTAC panels with air circuit breaker facilitated on drawer trolley for supplying power to cooling water system, oil lubrication system, Spherical valves OPU, Governor OPU, Generator heaters etc with floor insulation mats and their integration & cabling thereof. Replacement of old & Supply and Installation of MLDB(Main Lighting Distributing Board) installed in the vicinity of the existing old LT Panels.Note: The new installed panels shall be compatible with the new/upgraded associated system and 5 No additional spare feeders are to be provided. |
| 40 | Supply and Installation of new Common Accessories LTAC panels for EOT, D&D system, workshop, air compressor, lighting, DC battery chargers etc with floor insulation mats and their integration & cabling thereof |
| 41 | 6.6 kV HT Circuit breaker, measuring Panels & HT busDismantling of all old HT Breaker panels, measuring panels and HT bus cubicle |
| 42 | Replacement of old & Supply and Installation of new compatible 6.6KV HT breaker panels with compatible VCB's (main transformer 1, main Transformer-II, Aux Transformer, bus coupler, Generators unit 1-5, CHEP-II line breaker, measuring panels for two buses and HT bus cubicles with floor insulation mats including CT's & PT's along with allied wiring and integration works. |
| 43 | Supply of 01 no HT PPE kit. |
| 44 | Air Compressor SystemDismantling of existing air compressor system along with the piping works.Supply and Installation of new compatible air compressor 1w+1s along with air dryer and filter system along with Dismantling of existing air compressor system along with the piping works.Supply and Installation of new compatible air compressor 1w+1s along with air dryer and filter system along with allied piping, valves, hoses for all 5 units & other associated works |
| 45 | Strengthening of power house Earthing system to improve the earth resistivity. |
| 46 | Supply and Installation of complete CCTV Systems with 20 no Cameras in power house and adjoining areas with 02 monitors 40 inch ; 1 in control room and 1 in JKP Security room. |
| 47 | EOT CraneDismantling of damaged existing power cable 3-phase 4 core cu cable & Supply and Installation of damaged power cable with new one (qty-60m) and other allied works. Overhauling of EOT overhead DSL system. Maintenance of EOT crane by way of greasing, cleaning and other allied works |
| 48 | PART-B: Switch Yard And Auxiliaries WorksSwitch Yard And AuxiliariesGenerator Transformers no 2 to 6Disconnection of transformers, bushings, and other allied equipments. |
| 49 | Drainage of transformer oil, Cleaning of oil tank, Vacuuming, bushings, temp alarm system and other allied equipments including Supply and Installation of Silica gel, checking and repair of bucholz relays and damaged post insulators of all the transformers LV side bus insulators (11 no’s)Filling of new oil lying in divisional store, plugging of oil leakages by way of replacement of damaged seals and packings with new rubberized cork sheets, welding/ brazing wherever required |
| 50 | Filtration of Transformer oil till required BDV and other parameters are achieved. The firm shall have to arrange the oil filtration machines on its own for the same. |
| 51 | Improvement to switch yard earthing system.SITC of neutral CTs for both GTs and therefore REF (Restricted Earth Fault protection) in current protection system Of GTs |
| 52 | Testing of all the Maintained transformers for IR & PI and BDV values followed by painting and commissioningFilling of oil.IR & PI measurement after completion of abovementioned works.Post R&M works Testing Commissioning of transformersLA SITC & SITC OF Surge countersCivil Foundation repair & maintenance |
| 53 | Dismantling/ shifting of old Sub-station transformer and SITC of New 200 KVA 6.6kV/415 Transformer Sub-station transformers |
| 54 | Supply and Installation of new LA's 06 no’s along with required support structure on HV side of the Transformers and 03 no’s LA on line bay of 132KV line, along with required support structure including surge counters and allied works. Replacement of old & Supply and Installation of new dual core CTs (qty-9), PTs (qty-3), 132kV line LAs and Surge Counters including allied works including replacement of damaged Post top insulators (qty-6), string insulators discs (qty- 10 discs ), control cables along with existing equipment of switch yard. IR & PI measurement after completion of abovementioned works followed by testing and commissioning |
| 55 | Routine Maintenance /Overhauling of switch yard 132kV SF6 Circuit Breakers 03 no's. Supply and Installation of 01 no new 132kV SF6 Circuit Breaker along with other allied associated works. |
| 56 | Line Isolators and Earth Switches (Qty-04)Disconnection of connections, Dismantling of Isolators and Earth Switches operating Mechanism .Cleaning , Repair and alignment of the isolators and earth switches including Greasing of all the contacts and cleaning of insulators.Commissioning of the existing operating mechanism of the Isolators including cabeling works .Checking and Replacement of damaged bus insulators, string insulators, connectors and other line accessories.Measurement of earth resistivity Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Aug 12, 2026
11:30 IST
Tender Published
Tender notice published.
Completed
Aug 31, 2026
18:00 IST
Corrigendum-1 Issued
Clarifications on tender conditions and amendments issued.
Upcoming · 8 days
Aug 29, 2026
18:00 IST
Corrigendum-2 Issued
Clarifications on tender conditions and amendments issued.
Upcoming · 6 daysAug 31, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 8 daysTender Documents
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