Assam Power Distribution Company Limited Tender
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Assam Power Distribution Company Limited - APDCL Tender
Energy, Oil and Gas
Solar Installation and Products
Civil And Architectural Services
Eprocure
Opening Date21 Mar 2025
Closing Date5 May 2025
Tender AmountRefer Documents
Technical
Technical
Additional Eligibility
Work Experience Requirements
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The bidder must have prior work experience in designing, installation, testing, and commissioning of specific equipment, including: 1. At least 2 nos., 132KV class capacity of minimum 50 MVA Power/Auto Transformers.
2. 05(five) nos. AIS circuit breaker bays of 132 kV or above voltage level.
3. Control & Relay Panel and RTU / BCU and Substation Automation System.
4. Construction of control room building with all civil works complete. The bidder should also have experience in key activities, including those related to Joint Venture Bids. Additionally, the bidder should have designed, manufactured, type tested, and supplied transformers that are in successful operation for at least 3 years during the last 7 years for each voltage level of 400KV or above. No specific value or percentage of similar works completed is mentioned. However, the bidder must submit documents such as Taking-Over Certificate or Contract Completion Certificate indicating the contract name, value, and completion date. No detailed monetary values are mentioned.
Bid Capacity
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The formula for bid capacity is: D ≥ E Where:
D = Available Financial Resources Net of CCC = (B - C)
B = Total Available Financial Resources
C = Total Monthly Financial Requirement for Current Contract Commitments (CCC)
E = Requirement for the Subject Contract
Costs
EMD
₹ 3,50,00,000Document Cost
Refer DocumentsTender Fee
Refer Documents
Summary
Design, Engineering, Erection, Testing And Commissioning Of 400 Kv/33 Kv Pooling Substation For Solar Pv Plant Of
Description
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Contact
Tender Id
2025_ADBAP_43650_1Tender No
APDCL/ADB/MMSSP/PKG-03/01Tender Authority
Assam Power Distribution Company Limited ViewPurchaser Address
-Website
http://assamtenders.gov.inPackage Tenders
APDCL/ADB/MMSSP/PKG-01/01-02
GEM & Bid Advisory Services
Get portal registration, tender bidding, product/service listing or vendor/MSME certification services at a nominal cost
Documents
BOQ Items
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Circuit Breaker
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400kV, 3150 A, 63kA for 1 Sec rated SF6 3 pole, gang operated circuit breaker with supporting structure & other accessories.
6
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Isolator with Single Earth Switch
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400kV, 3150 A rated, 63kA for 1 Sec, 3 pole horizontal double break center post rotating, outdoor air break motorized.
12
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Isolator with Double Earth Switch
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400kV, 3150 A rated, 63kA for 1 Sec, 3 pole horizontal double break center post rotating, outdoor air break motorized isolator with double earth switch
6
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Current Transformer
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400 kV ,Two core,Ratio :1250-2500/1A,63kA/1sec-To Tariff Meter
3
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400 kV ,Five core,Ratio : 1250-2500/1A,63kA/1sec
24
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Capacitive Voltage Transformer
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400/√3 kV / 0.11/√3 kV -Line CVT-1,Two winding-To Tariff Meter
3
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400/√3 kV / 0.11/√3 kV -Line CVT-2,Four winding-To Tariff Meter
3
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400/√3 kV / 0.11/√3 kV -Bus CVT,Three winding
6
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400/√3 kV / 0.11/√3 kV -CVT,Three winding
9
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Lightning Arrester
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390kV, 63kA, CL.III1 phase Lightning Arrester (LA)
1
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For line feeder
3
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For power transformer feeder
9
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Control and Relay Panel
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Control and Relay panel with numerical relay with BCU- IEC 61850 compliant
1
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For line feeders
1
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For power transformer
3
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For Bus bar protection
1
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Tariff Metering Panel
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Tariff metering panel for line feeders with MAIN and CHECK meter with AMR facility
1
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PQM Meter
9
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PMU
1
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Bus post insulators
32
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Bay Marshalling kiosk
1
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CT Junction Box
9
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CVT Junction Box
7
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Conductors & Long rod Insulators
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400 kV,160 kN Long Rod Insulators (Tension)
1
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400 kV,160 kN Long Rod Insulators (suspension)
1
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ACSR Moose conductors or AL59 equivalent Moose
1
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415V Distribution Boards
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415V AC distribution board as per SLD - Control room
1
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415V lighting distribution board as per SLD - Control room
1
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Control Building —220V System
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220V Valve regulated Lead Acid (VRLA) Batteries (cell voltage of 2.0V),(2*100%)
1
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220 V Float Cum Boost Chargers (FCBC),(2*100%)
1
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220V DCDB as per SLD,(2*100%)
1
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Control Building — 48V System
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48V Valve regulated Lead Acid (VRLA) Batteries (cell voltage of 2.0V),(2*100%)
1
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50*A, 48 V Float Cum Boost Chargers (FCBC),(2*100%)
1
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48V DCDB as per SLD,(2*100%)
1
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UCMS system
1
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33 kV HT switchgear panel
1
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33/0.415 kV Auxiliary Transformers along with accessories complete as required
1
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33kV Fixed Capacitor Bank
1
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UPS,(2*100%)
1
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230v UPS distribution board
1
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33 kV HT Cables
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19/33kV, XLPE Insulated, Al. Armoured Cable
1
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33kV Outdoor type Cable Termination Kit ,XLPE Insulated Power Cable
1
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33kV indoor type Cable Termination Kit , XLPE Insulated Power Cable
1
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33kV Outdoor type Cable Termination Kit ,XLPE Insulated Power Cable
1
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33kV indoor type Cable Termination Kit , XLPE Insulated Power Cable
1
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1.1kV Cables
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1.1kV grade, XLPE insulated armoured FRLS power cables
1
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1.1kV grade, PVC insulated armoured FRLS control cables
1
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Telephone cables
1
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Fiber optic cables + Accessories
1
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Diesel Generator ,750kVA
1
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Clamps & connectors
1
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Illumination System
1
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Entire civil works including site grading, MMS/String inverter Pile , Inverter station foundation, Peripheral roads, internal roads and all other works
1
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MANDATORY SPARES
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420 kV SF6 CIRCUIT BREAKER
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Complete Pole (Phase) of circuit breaker including closing resistor/ CSD, grading capacitor (as applicable), pole column, interrupter, operating mechanism, Marshalling Box and terminal connector but without support structure. (1 No. pole of each make & type For cyclone/ whirlwind/ tornado prone areas- 10% poles of each make and model installed at the substation (rounded up to the next integer) subject to minimum of one pole)
1
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Grading Capacitor
3
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Rubber gaskets, `O' rings and seals
1
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Trip coils with resistor
2
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Closing coils with resistor
2
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Terminal Pads and connectors
2
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Molecular filter
2
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Density/ pressure monitoring systems
1
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Corona rings
1
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Relays, Power contactors, switch fuse units, limit switches, push buttons, timers & MCB etc.
1
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Pressure switches
1
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Pressure Gauge and coupling
1
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SF6 Gas (15% of total used quantity in substation)
1
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Auxiliary switch assembly
1
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Operation Counter
1
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Magnetic ventile, if required
3
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Actuator rings, if required
6
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Control valves, if required
1
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Fixed, moving and arcing contact assemblies including Insulating Nozzles etc. for 1 Interrupter.
2
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Pneumatic Operating Mechanism for ICU (Individual Compressor Unit)
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Complete compressor assembly along with motor, accessories & coupling along with regenerating unit (wherever applicable)
1
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Micro-filters
1
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Coupling for compressed air
1
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Valves & reducers (Including Safety valve)
1
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Pressure switches
1
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Pressure gauges
1
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Gaskets 'O' rings & seals
1
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Dowty Seal
2
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Operating drive
1
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Hydraulic Operating Mechanism
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Hydraulic operating mechanism with drive motor
1
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Ferrules and joints
1
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Hydraulic filter
3
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High pressure hose
1
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N2 Accumulator
2
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Pressure transducer
1
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Valves
1
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`O' rings, gaskets and seals
1
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Pipe length (copper & steel)
1
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Pressure switches
1
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Pressure gauges
1
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Hydraulic oil (15% of total used quantity in substation)
1
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Spring Operated Mechanism
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Closing Dashpot
1
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Opening Dashpot
1
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Opening Catch gear
1
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Closing Catch gear
1
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Complete Spring Operating Mechanism
1
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Spring Charging Motor
1
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420 kV HORIZONTAL CENTRE BREAK/ DOUBLE BREAK ISOLATORS
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One complete pole including support Insulator, motor operating mechanism and terminal connector but excluding structure
(1 No. For cyclone/ whirlwind/ tornado prone areas- /10% poles of each make and model installed at the substation (rounded off to the next integer) subject to minimum of one pole)
1
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Isolator Arms with finger contacts and current carrying assembly
1
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Support Insulators
1
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Copper contact fingers for male & female contacts
2
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Open / Close contactor
1
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assembly, timers, key interlock push button switch & auxiliary switches
2
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Limit switch
1
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Motor housing bearing assembly
1
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Terminal Pads and connectors
2
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Motor with gear assembly and bevel gear assembly
1
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Corona shield rings
3
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Hinge pins
3
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Bearings
1
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Interlocking coil with resistor
5
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Fuses of each rating
5
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CURRENT TRANSFORMER: 420 kV CT
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Complete CT with Terminal connector & structure (2 Nos. of each rating for population up to 20 Nos., 3 Nos. of each rating for population more than 20 Nos. For cyclone/ whirlwind/ tornado prone areas- 10% CTs of each voltage class installed at the substation (rounded up to the next integer) subject to a minimum two numbers)
1
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Primary Terminal Bushing
2
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VOLTAGE TRANSFORMER (PT/CVT)
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Complete Potential Transformer /Capacitor Voltage Transformer with terminal connectors & structure (2 Nos. of each rating for population up to 20 Nos., 3 Nos. of each rating for population more than 20 Nos. For cyclone/ whirlwind/ tornado prone areas- 10% CVTs/PTs of each voltage class installed at the substation (rounded up to the next integer) subject to a minimum two numbers)
1
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SURGE ARRESTOR
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Complete Surge Arrester with insulating base and Terminal connector & structure (2 Nos. of each rating (not make) for population upto 10 Nos, 3 Nos. of each rating (not make) for population more than 10 Nos.)
1
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Surge counter/monitor
5
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400kV BUS POST INSULATOR
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Bus post insulator assembly (Complete), 3 Nos. for each voltage rating
1
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CONTROLLED SWITCHING DEVICE (CSD)
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Controlled Switching Devices along with transducers, Sensors, Cables, Contactors, Switches etc. (1 set of each make)
1
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POWER LINE CARRIER COMMUNICATION EQUIPMENT
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Set of Prints for Carrier terminal, Speech and Data
2
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Set of Prints for protection coupler
2
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Set of Prints for EPAX (24/8)
1
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Coupling device without base plate
2
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Telephone 2 wire with necessary connecting cable
4
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Telephone 4 wire with necessary connecting cable
2
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Co-axial connector
10
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Straight through joint (wherever applicable)
1
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Co-axial cable
1
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PLCC tool kit
1
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Wave Trap LA
1
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Wave trap with pedestal & terminal connectors
1
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Card/Module of each type
1
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Connector of each type
1
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Connecting cables of each type
1
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BATTERIES AND BATTERY CHARGERS
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220V / 110V / 48V Batteries
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Spare battery cell without electrolyte
(10 Nos. for population ≥100 Nos., 5 Nos. for population 100 Nos.)
1
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Terminal connectors with Bolts & Nuts (10 Nos. of each type)
1
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Float level indicators (10 Nos. of each type)
1
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Vent Plugs (10 Nos. of each type)
1
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220V / 110V / 48V Battery Charger
-
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Set of Control Cards (1 Complete set for each type of charger)
1
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Set of relays
1
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Rectifier transformer
1
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Control transformer
1
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Series inductor
1
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Set of contactors
1
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Micro switches
1
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Filter Capacitors
1
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Thyristor/ Diode
1
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Set of switches
1
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Set of wound resistors
1
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Potentiometers
1
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Fuses of Thyristor with indicators
6
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CONTROL AND RELAY PANEL
-
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Line Protection Panel Equipment Spare
1
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Numerical Relay (IED) of each make and type along with software
1
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Transformer Protection Panel Equipment Spare
1
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Numerical Relay (IED) of each make and type along with software
1
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Bus-Bar Protection Panel Equipment Spare
1
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Numerical Relay (IED) of each make & Type
1
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LT TRANSFORMER
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Bushings
1
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OTI & WTI with sensing device (as applicable)
1
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Tap Changer contacts
1
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Buchholz relay
1
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Explosion vent diaphragm
1
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Silica gel Container
3
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Disc Insulators (10% of the total number of discs of each voltage class installed at the substation/switchyard)
1
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Long Rod Insulator (10% of the total number of insulators of each voltage class installed at the substation /switchyard, subject to a minimum number of three insulators of each voltage class.)
1
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Conductor accessories and hardware (Quantity shall be commensuration with the spare for conductor and insulators.)
1
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Coupling Capacitors (One number of each voltage class installed at the substation/ switchyard.)
1
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EHV Power Transformer
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Set of Gaskets (Each set shall represent complete quantity of different types of gaskets used in one transformer. Total list of gaskets shall be indicated by bidder during detailed Engineering)
1
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HV Bushing with fittings (metal parts and gaskets)
(Each set of different type and size)
1
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LV Bushing with fittings (metal parts and gaskets)
(Each set of different type and size)
1
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Bushing mounted CTs
(Each set of different rating, type and size of each class)
1
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Axial flow fan assy (1) SS
1
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Set of valves (Each set shall represent complete qty of different types of gaskets used in one transformer. Total list of gaskets shall be indicated by bidder during detailed Engg)
1
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WTI-with remote indi, 4 swi,8 cap
1
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OTI-with remote indicator, 2 swi,8 cap
1
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Mag.Oil level Indicator (Type - I)
1
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Mag.Oil level Indicator
1
-
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OLTC Motor - each type
1
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Oil Surge relay for OLTC - each type
1
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PRV 6" Shroud 2NO+2NC (M2-P3)
1
-
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PRV for OLTC - each type
1
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33 kV HT Switchgear
-
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33 kV Indoor Current Transformer - of each CTR, and Each class
1
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33 kV Indoor Surge Arrestor (5% of total population for each type and class)
1
-
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Earthing Trolley
2
-
-
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UCMS
-
-
-
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UCMS Ethernet switch - each type (5% of total population for each type)
1
-
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PLC - each type
1
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Converters - each type
1
-
-
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I/O cars / Modules - Each type
1
-
-
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IP telephone - Each type
1
-
-
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AC Distribution Boards
-
-
-
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MCCB - (2% of total population for each type)
1
-
-
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ACB (If applicable) (Each type)
1
-
-
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Distribution boards (415V)
-
-
-
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MCB - (2% of total population for each type)
1
-
-
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Fibre Optic cable (1% of total population for each size)
1
-
-
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MCCB - (2% of total population for each type)
1
-
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Weather Monitoring System
-
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Pyranometer
1
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Each type of sensor (Ambient/Rain/Wind, etc)
1
-
-
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Module temperature sensor
5
-
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Miscellaneous Item
-
-
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Earthing strip (0.5% of total population for each size)
1
-
-
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Earth pit (0.5% of total population for each size)
1
-
-
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Route marker (0.25% of total population for each size)
1
-
-
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Clamps (0.5% of total population for each size)
1
-
-
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Glands (0.5% of total population for each size)
1
-
-
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Conductor (Flexible/Aluminium Pipe)
(5% of the length of each type installed at the substation/switchyard)
1
-
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DG Set
-
-
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Diesel engine
-
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Fuel injection nozzles
2
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Crank shaft with standard size journals
1
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Main bearings
1
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Big-end bearings
1
-
-
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Diesel filter packs
20
-
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Mobile oil filter packs
20
-
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V-belt for radiator fan
5
-
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Fuel injector
5
-
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Fuel injection piping
1
-
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Ring gear for fly wheel
1
-
-
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Self-Starter
1
-
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Nozzle tester, barring bar, slings, eyebolts and other special equipment necessary for servicing the engine
1
-
-
... More
Solenoid Coil assembly
1
-
-
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Lube oil pressure safety control
1
-
-
... More
High Water Temperature safety control
1
-
-
... More
OEM Recommended spares for electronic governor.
1
-
-
... More
Generator
-
-
-
... More
Timers
1
-
-
... More
Rotating diodes and fuse for main field excitation (Each Type)
2
-
-
... More
Temperature scanner
1
-
-
... More
Complete assembly of Digital Automatic Voltage Regulator (DAVR) for one channel
1
-
-
... More
Battery Charger
1
-
-
... More
Exhaust fan of each type
1
-
-
... More
AMF panel with integral / external ACB facility
-
-
-
... More
Protection relays (in each type)
1
-
-
... More
Auxiliary relays (in each type)
1
-
-
... More
Indicating lamp (in each type and each colour)
2
-
-
... More
Multi-Function Meters (in each type)
1
-
-
... More
Fuses (in each type and each rating)
2
-
-
... More
Microprocessor based Diesel Engine Control Unit / Relay (in each type)
1
-
-
... More
Air Circuit Breaker (in each type)
1
-
-
... More
Annunciator (in each type)
1
-
-
... More
33kV Termination kit (1 No. of each type - Outdoor/Indoor)
1
-
-
... More
Maintenance tools and Kits as per Bid Document
1
-
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Evaluation Notes How It Works ?
Potential Partner
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Past BiddersThis list is curated from the bidders of the similar tenders in the past
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