Assam Electricity Grid Corporation Limited Tender

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The AEGCL has issued a formal invitation for competitive bids for the Assam Electricity Grid Corporation Limited project, for Construction Of 132/33kvgis At Titabor And Ais At Chabua Along With Associated Transmission Lines in Jorhat, Assam. The bid opening date for this tender is 02-03-2024 and the last date for bid submission is 27-06-2024. Interested bidders for Assam Electricity Grid Corporation Limited tender can download the important documents here to check the tender amount, scope of work, eligibility criteria and technical requirements.

Assam Electricity Grid Corporation Limited - AEGCL Tender

Works
Civil And Construction
Civil Works Others
Eprocure
Opening Date2 Mar 2024
Closing Date27 Jun 2024
Tender AmountRefer Documents 
Notes
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Costs

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Documents
technical volume ii
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BOQ Items

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DO_NOT_SHOW

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5 Ton EOT Crane (Double Girder) for 145kV GIS Building

1

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33kV, 2X160kN Double tension string Antifog insulators and hardwares suitable for Twin MOOSE conductors

14

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132kV Column

7

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50 MVA, 132/33 kV, Three phase Power Transformer with OLTC (including Transformer oil)

2

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Earthing Conductor: 75X12mm GS Flat For Equipment and Structure Earthing

1

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All other accessories like FO armoured cables, HDPE Conduit/GI conduit Patch cords,furnitures for HMIs and printers, cables etc as per requirement

1

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Control, Relay & Protection Panel(Simplex Type)

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33 kV,2500A, 31.5kA for 3sec Horizontal Double Break type Isolator without earth switch complete with manual and motor driven operating mechanisms along with Support Insulators, Clamps & Connectors and Hardware Fittings

2

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Single phase LV side 3 core bushing phase CT (1200/1A, 2 core) and 1 core for WTI

6

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Trolley mounted portable fire exinguishers (Dry powder chemical type) for 250 kVA transformers ( 10 Kg , DCP Type)

2

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145kV, 40kA for 3 second, SF6 gas-insulated metal enclosed Line bay module as per technical specification

2

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HVAC & VENTILATION

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SF6 gas Mask

10

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ELDB with 415V/415V, 50kVA isolation transformer

1

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1

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36 kV Isolator (without earth switch)

12

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48V, 60A Modular SMPS based Dual Float cum Boost Chargers

2

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Main Earthing Conductor 40mm dia MS Rod

1

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Outdoor LED lighting for Switchyard, Road area, Car parking, Security outpost including Lighting panel, Distribution Boards, Cabling, Switches, Socket, auxiliary receptacle, complete with GI Poles etc.

1

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Bay Marshalling Kiosk along with support structures

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Main earth mat conductor, GI risers, treated /Untreated earth pit, equipment earth connections etc.

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Relay Maintenance Tool Kit as per BID Clause of Volume II

1

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ACSR Moose Conductor

1

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Online DGA

2

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Earthing Conductor: 40mm dia MS Rod For Riser From The Burial Earth Mat To Equipment,Structure Etc)

1

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Gate way with PLCC and Fibre Optic Modem and Panel

2

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120kV, 10kA, LA complete with Surge Monitor, hardware fittings, clamps & connectors as per specification

12

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Multi Modular Cable sealing system for all cable entries at GIS building, Control room, Kiosk building, FFPH building etc. as per requirement.

1

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Lightning protection (lightning masts 50 metres high, Lightning Spike, shield wires (7/4 mm GI shield wire), down conductors etc.)

1

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Bus Coupler Control and Protection Panel

1

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145KV, 2000A, 40kA for 3 sec, Horizontal Centre Break type Isolator with double earth switch complete with manual and motor driven operating mechanisms along with Support Insulators, Clamps & Connectors

2

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Circuit Breaker

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Indoor Lighting

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2C, 6sqmm

1

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Battery & Battery Chargers, DCDB & ACDB as per specification

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Station HMI (Main, Redundant and Metering)

3

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Single phase bushing mounted LV NCT (1200/1A, 2 core)

2

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Line Printer

1

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Separate Earthing For 145 Kv GIS Modules (including multi-point earthing)

1

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Other Cables as per technical specification not covered above

1

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Colour Laser Printer

1

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Single phase HV side 3 core bushing phase CT (300/1A, 2 core) and 1 core for WTI

6

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CAT 6 armoured cable.

1

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Station Service Transformer

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36kV DO Fuse

2

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GPS Clock System

1

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Portable and wheel/trolley mounted Fire Extinguishers for Control Room Building and Switchyard as per specification and Portable Fire Extinguisher for GIS Hall (5kg X 6Nos and 2kg X5 Nos), Officer Quarter (2kg X 6Nos), Staff Quarter (2kg X 6Nos), Security Barrack (2kg X 6Nos),Guard room (Security Booth) (2kg X 3Nos), Store Building (2kg x5) as per specification.

1

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145 kV Isolator with double earth switch

2

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33KV, 2500-1200/1-1A Current Transformer

3

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33KV, 600-300/1-1A Current Transformer

18

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Others ( Cable for Fire Fighting, Illumination, CCTV etc)

1

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Fastners(nuts, bolts and washers) including step bolts for lattice and pipe structures

1

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48V VRLA type Battery Bank, 300 AH

2

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Supply, Testing And Maintenance Equipment of GIS as specified

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Earthing

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Security barrack

1

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Supply of 145 kV GIS

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Soil Resistivity Test And Soil Treatment As And When Required

1

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145kV, 40kA for 3 second, SF6 gas-insulated metal enclosed Transformer bay module (HV of 50MVA Transformer) as per technical specification

2

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Auxiliary/Satellite Earth mat wherever applicable

1

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Cable supports and other cable accessories like Lugs, Glands etc.

1

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Fire Alarm & Detection system for 145kV GIS Building and related rooms, Control Room building and other related rooms including Fire Alarm panel, Multi Sensor detector, manual Call point, Hooter, Response Indicators, Beam Detector, Cabling and ISOLATING MODULE as per specification.

1

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SF6 Gas Leak Detector

1

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145 kV PI

18

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Other Earthing Accessories ( required for complete earthing of the entire switchyard and the buildings)

1

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33kV, 2 x120kN double suspension string Antifog insulators and hardwares suitable for Twin MOOSE conductors

14

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Online insulating drying system

2

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Insulators, hardware & Conductors

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Two wire telephone set

4

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Transformer Control and Protection Panel

2

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MLDB with 415V/415V, 100kVA isolation transformer

1

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Tenderer(s) to specify

1

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XLPE Armoured Cu, LT Power Cable (1.1kV grade)

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4C, 2.5sqmm

1

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HVAC DB

1

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132kV, 2X90kN Twin tension string Antifog insulators and hardwares suitable for single AAAC Panther conductors

8

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250 KVA, 33/0.433kV StationTransformer (Energy Efficiency Level 3) , including Clamps & Connectors

2

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Complete Substation System Automation System (As per specification )

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Public Addressing System, CCTV

1

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Bay Ethernet Switch

14

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EPAX system and telephone system with redundant power supply card and CPU along with E1 interface card.

1

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17C, 2.5sqmm

1

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Supply of Galvanised Lattice structures

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33KV, 1200-1000/1-1-1-1-1 A Current Transformer

6

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220V, DCDB

2

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50x8 mm, 50x6 mm, 25x6mm GS Flat as per site requirement

1

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Line Control and Protection Panel

6

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36 kV 2500 A, SCR 31.5 kA for 3 sec, Circuit Breaker, outdoor type, 3-Ph gang operated complete with operating mechanism & support structure

3

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1

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Earthing Device & Associated Accessories (50 Mm dia Heavy Duty MS Perforated Pipe 3 Mtrs Long For Treated Earth Pit with CI cover)

1

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Relevant software for relay configuration & setting, maintenance etc.

2

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RTU Panel

1

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Foundation Bolts (Including nuts,checknut & washers for lattice and pipe structures)

1

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48V, DCDB

2

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132KV, 800A Pedestal Mounted Wave Trap complete with all accessories

4

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125 KVA, Silent DG Set with AMF including Panel & Accessories including earthing arrangement

1

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Auxiliary ACDBs, Sub DCDBs etc as per requirement

1

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145 kV CVT

6

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Line Control and Protection Panel (Line Differential)

2

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Hydrant system along with pumping arrangement & associated Civil works for fire protection system for 2 No of Transformer

1

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10% Extra OIL for each transformer

1

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Industrial Air conditioning system for 132kV GIS Building C&R Panel Room, Control room building (SCADA Room), having N+1 or N+2 Standby Requirements

1

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Precision Pressure Gauge

1

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Lighting System

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Rail Track for Transformer

2

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132kV, 4400pF, 3 Wdg CVT, complete with Junction Box, hardware fittings, clamps & connectors

6

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Digital Carrier Equipment Panel (Twin channel and should support transmission band for line length 150 km ) for 132kV

4

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Supply of Items for 132/33kV Titabor GIS

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Other Cables as per technical specification not covered above

1

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4C, 16sqmm

1

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PVC Armoured Cu LT Control Cable (1.1 kV grade)

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Pump House

1

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Control Room Building

1

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Lighting System including Lighting panel, Cabling, Conduiting, Switches, Socket, Junction boxes, auxiliary receptacle, High bay fixtures for GIS rooms

-

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FFPH Building

1

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SF6 Gas Evacuation Plant with Processing, Drying, Storage and Filling Unit (One mobile cart and one static cart)

1

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Separate Earthing For Fencing Around The Substation

1

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145kV extension module complete with all requirements for necessary bus extension

4

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All interphase equipment for Gateway to SLDC

1

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36 kV PT

6

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145kV, One number, 3-phase encapsulated, SF6 gas insulated metal enclosed 3150 A, 40kA for 3 sec, Bus Bar module as per technical specifications

2

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33 kV,1600A, 31.5kA for 3sec Horizontal Double Break type Isolator with earth switch complete with manual and motor driven operating mechanisms along with Support Insulators, Clamps & Connectors and Hardware Fittings

2

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33 kV Potential Transformer (3 Core)

6

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2 TON CAPACITY SPLIT AIR CONDITIONING UNITS for Battery Room, Engineer Room , JE Room, Electrical room, Conference room.

1

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132kV, 2 x120kN double suspension string Antifog insulators and hardwares suitable for Twin MOOSE conductors

8

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33 kV,1250A, 31.5kA for 3sec Horizontal Double Break type Isolator with earth switch complete with manual and motor driven operating mechanisms along with Support Insulators, Clamps & Connectors and Hardware Fittings

6

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Annual Maintenance Contract (AMC) as per BID Clause of Vol II

1

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2C, 2.5sqmm

1

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Hydrant & HVWS (High Velocity Water Spray) system/NIFPES

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220V VRLA Battery, 600AH

2

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30kV, 10kA, LA with surge counter, hardware fittings, clamps & connectors as per specification

30

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75" VDU

1

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145 kV GIS Equipment

-

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Others ( Cable for Fire Fighting, Illumination, CCTV etc)

1

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Mounting Structures (Lattice/pipe)

-

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Power Line Carrier Communication Equipments (Twin Channel, 8kHz)

-

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3.5C, 70sqmm

1

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UPS with separate 220 V Battery Bank

2

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19C, 2.5sqmm

1

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SF6 gas quality testing unit

1

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33 kV,1250A, 31.5kA for 3sec Horizontal Double Break type Isolator without earth switch complete with manual and motor driven operating mechanisms along with Support Insulators, Clamps & Connectors and Hardware Fittings

10

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Bus Bar Control and Protection Panel

2

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145kV, 3150A, 40 kA for 3 sec, 3- phase SF6 to air bushings along with termination module & support structure for outdoor connections to connect GIS with 145kV side of Power transformer and overhead lines

4

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36 kV PI

12

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Oil & winding temperature monitoring system (FO based)

2

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132 kV Bay Marshalling Kiosk

1

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3.5C, 400sqmm

1

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CVT and Wave Trap

-

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Sub ACDB

2

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36 kV CT

27

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Transformer Control and Protection Panel

2

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Fire Alarm & Detection

-

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Bay Control Units for 33 kV Bays

9

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Main ACDB

2

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IEC 61850 compliant Digital Tele- Protection Coupler, 16 command with redundant power supply card and CPU along with relay, E1 interface card and optical interface card to support 150 km(132kV)

4

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Outoor Lighting

-

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33kV DO Fuse

2

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Terminal connector on 33kV side bushing of 132/33kV Transformer to suit Twin Moose conductor

8

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Armoured Audio Cable

1

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NItrogen injection Fire protection and emergency service with complete accessories and related Civil and Electrical works for 2 Nos ICT

2

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Instrument Transformers along with junction box and all other accessories

-

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145kV GIS

-

-

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HVWS system (Automatic Emulsifier and Manual Hydrant Point both) for 50 MVA Transformer-2 No’s

2

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145kV, 3150A, 40kA for 3 second, 3-Ph, SF6 Gas Insulated Bus Duct (GIB) (including inside the GIS hall) including Bus Duct support structure and associated accessories and jointing elements

250

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27 Inch LCD Monitor (Industrial)

4

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Separate Earthing For 145 kV GIS Building (with Cu flat of adequate size for GIS earth mat)

1

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HF armoured co-axial cable (ALONGWITH HDPE /GI CONDUIT)

1

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Terminal connector on 132kV side bushing of 132/33 kV Transformer to suit Single Moose conductor

8

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SAMAST compliant ABT meters including DCU, modems, FO cables, AMR and other related accessories etc.as per specification.

1

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Earthing Conductor: 50X10Mm GS Flat For Riser For Console Box,Lt Panels,Dc Panels,Marshalling Boxes, Cable Trenches Etc)

1

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Bay Control Units for 132kV Bays

5

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LMU and LMDU

8

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33kV IPS Tubular Bus Support Structure

1

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30 kV LA

30

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36 kV 1600 A, SCR 31.5 kA for 3 sec, Circuit Breaker, outdoor type, 3-Ph gang operated complete with operating mechanism & support structure

6

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33kV Column

12

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36 kV AIS

-

-

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Single phase bushing mounted HV NCT (300/1A, 2 core)

2

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36 kV , 1 phase Solid core bus post insulator (creepage distance 31mm/kV)

12

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12C, 2.5sqmm

1

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3 inch IPS Al Tubular Conductor with Flexi Connectors, expansion joints,T-Joints etc as per requirement

200

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145kV, 40kA for 3 second, SF6 gas-insulated metal enclosed Bus Coupler bay module as per technical specification

1

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Trainiing as per different Clauses of Volume II of BID Document

1

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132kV Beam

4

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145 KV, 1 phase Solid core bus post insulator (creepage distance 31mm/kV)

18

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3.5C, 35sqmm

1

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Ventilation system for 145kV GIS Building (Ventilation System with Centrifugal Fan and related Accessories should comprise of Pre and Fine air filter,Air Purifier, centrifugal fan, ducting network, air supply grilles, gravity dampers, electrical and instrumentation etc.)

1

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50MVA, 132/33kV, ONAN/ ONAF, 3 Phase Power Transformer along with all accessories as below:

-

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Staff Quarter, Officer Quarter, store building & open store shed

1

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-

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Cable supports and other cable accessories like Lugs, Glands etc.

1

-

-

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145 kV GIS Building

1

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Pulling Block for Transformer

4

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36 kV Isolator (with earth switch)

8

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Digital RTCC Panel

2

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33kV Beam

8

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Online Partial Discharge Monitoring Unit

1

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Security booth

1

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Walkie talkie handset to operate seamlessly within a radius of 1km using license free band. (Motorola or better)

5

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Training

-

-

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Isolators

-

-

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7C, 2.5sqmm

1

-

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Additional items required for completion of the project

-

-

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220V, Dual Float Cum Boost Chargers, 150A

2

-

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Power receiving panel with 440V MCCB of adequate rating for Station Service Transformer

2

-

-

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Bus Sectionalizer Control and Protection Panel

1

-

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33kV,120kN single suspension string Antifog insulators and hardwares suitable for single MOOSE conductors

20

-

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Video Borescope

1

-

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120 kV LA

12

-

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Separate Earthing For Control room building

1

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Miscellaneous item(like MS Channel,Angle, Rail, Chequered plate,MS Grill plate, Lugs and Glands,HDPE Pipes Switchyard and Bay Identification Name board, Anchor fastner and Display for Overall single line diagram photo with frame.etc…as per site requirement)

1

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Surge Arrester

-

-

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Station Ethernet Switch

2

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Earthing Device & Associated Accessories 40Mm dia Ms Rod 3 Mtrs Long For Non Treated Earth Pit with CI cover)

1

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