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Posted in: Nigeria Electricity & Gas Improvement Project (NEGIP) Projects
Assignment Title: Technical Assistance for Engineering Supervision and Site Management of Construction, Reinforcement and Rehabilitation of Grid Substations.
Credit No: 46200 UNI
The Federal Government of Nigeria has received a credit facility from the International Development Association (IDA) under the World Bank towards the cost of Nigeria Electricity and Gas Improvement Project (NEGIP) and intends to apply part of the proceeds of this credit to payments under the contract for Consultancy Services for Technical Assistance for Engineering Supervision and Site Management of Construction, Reinforcement and Rehabilitation of Grid Substations.
Reference No.: QCBS – NGP-TC-17
Date Posted: 2016-03-09 11:51:50
NETAP TERMS OF REFERENCE (TOR)
NIGERIA ELECTRICITY TRANSMISSION PROJECT (NETAP)
TERMS OF REFERENCE (TOR)
For
TECHNICAL ASSISTANCE FOR ENGINEERING SUPERVISION AND SITE MANAGEMENT OF REHABILITATION & REINFORCEMENT OF 330/132kV & 132/33kV TRANSMISSION SUBSTATIONS (PACKAGE 3)
1 BACKGROUND
The Federal Government of Nigeria has received a credit on behalf of Transmission Company of Nigeria (TCN) from the International Development Association (IDA) under the World Bank towards the cost of Nigeria Electricity Transmission Project (NETAP). The Company therefore intends to apply part of the proceeds of this credit for payments under the contract for Technical Assistance for Engineering Supervision and Site Management of Rehabilitation & Reinforcement of 330/132kV & 132/33kV Transmission Substations (Package 3).
1.1 The Transmission Company of Nigeria (TCN) which is a vertically integrated utility whose Head Office is in Abuja, Nigeria, has a mission to transmit throughout the Nigeria territory.
1.2 The Nigeria Electricity Transmission Project (NETAP) seeks to redress certain deficiencies and operational constraints of the Nigeria Power Transmission System so as to allow the efficient dispatch and transmission of Power in the National Grid through additional transformer capacity. In particular, it will complement efforts underway for both emergency and long term measures now being taken to increase generation.
1.3 Part of the NETAP investment component includes the contracts for the Rehabilitation and Reinforcement of 330/132kV & 132/33kV Transmission Substations: NTP-TR3. An Engineering Consultancy Services is therefore required to manage and supervise the works covered under the aforementioned contracts.
1.4 The summary of the scope of works in the contracts NTP-TR3 which are in two (2) Lots shall be managed and supervised by the consultant under the project assignment as given below:
NTP-TR3 LOT 1
Supply and installation contract which is required for the augmentation of Reinforcement works, Replacement and Upgrade of existing Transmission substation in Bauchi Region. The Stations includes;
S/N | SUBSTATION | LOCATION |
1. | Yola 330/132/33kV Substation | Yola substation is located at the city center along Yola/Numan Road, and very close to the airport or the Railway station in Yola the state capital of Adamawa state. It is about 15minutes drive to the airport. |
2. | Mayo Belwa 132/33kV Substation | Mayo Belwa substation is located at the city center along Yola/Jaling Road at Mayo Belwa area of Adamawa state. It is about one hour 15minutes drive from Yola airport |
3. | Damaturu 132/33kV Substation | Damaturu substation is located at the city center of Damaturu along Maiduguri Road of Yobe state. It is about two hour 15minutes drive from Maiduguri airport |
4. | Biu. 132/33kV Substation | Biu substation is located at the city center along Gombe road in Biu area of Borno state. It is about two hour 15minutes drive from Gombe airport |
5. | Damboa 132/33kV Substation | Damboa substation is located at the outskirt of Damboa area, along Gombe /Maiduguri road of Borno state. It is about three hours 15minutes drive from Gombe airport. |
6. | Maiduguri 330/132kV Substation | Maiduguri substation is located at the city center of Maiduguri along Mulang road in Maiduguri state capital of Borno state. It is about 45minutes drive from Maiduguri airport. |
7. | Bauchi. 132/33kV Substation | Bauchi substation is located near to the Nigerian Railway station in Bauchi at the city center along Gombe road in Bauchi state. It is about 35minutes drive from Bauchi airport |
- Yola 330/132/33kV Substation
Additional proposal for 1x150MVA
330kV side
- Reinforcement with 1x 150MVA 330/132/33kV Power Transformer with all associated switchgears and accessories.
- Construct 150MVATransformer Plinth.
- Install the transformers
- Testing and commissioning of Equipment.
- Supply & Installation of 1No 500kVA, 33/4.15kV Eathing Transformer.
- Construct 1No Earthing Transformer foundation.
- Install and terminate the Earthing Transformer
- Test and commission it.
- Supply & Installation of 1Nos. fire protector
- Construct fire protector foundation with support structure
- Install and terminate the fire protector with support structure
- Test and Commission it
Extension and construct a 330kV complete one-half circuit breaker Bus bar configuration to accommodate the new 1x 150MVA 330/132/33kV transformer.
- Supply & Installation of 3No. 330kV, 40kA Circuit Breaker with the support structure.
- Construct 3No. 330kV, 40kA Circuit breaker foundation.
- Install and terminate the 3No. 132kV, 40kA Circuit breaker.
- Test and commission it
- Supply & Installation of 6No. 330kV, 40kA Disconnector without Earth Switch
- Construct 6No, 330kV, 40kA Disconnect without Earth Switch foundation
- Install and terminate Disconnect Switch.
- Test and commission it.
- Supply & Installation of 2No. 330kV,40kA Disconnector with one Earth Switch
- Construct 2No. 330kV, 40kA Disconnect with one Earth Switch foundation with support structure.
- Install and terminate the 2No. 330kV Disconnect with one Earth Switch
- Test and commission it.
- Supply & Installation of 18Nos. 330kV Current Transformer with support structure
- Construct 18Nos. 330kV Current Transformer foundation.
- Install and terminate the Current Transformer
- Test and commission it.
- Supply & Installation of 1Nos. Current Transformer for Power Transformer Neutral.
- Construct 1Nos. Current Transformer foundation with support structure.
- Install and terminate the 1Nos. Current Transformer.
- Test and commission it.
- Supply & Installation of 1Nos. 33kV Current Transformer for Earthing Transformer Neutral
- Construct 1Nos. Current Transformer foundation with support structure.
- Install and terminate the 1Nos. Current Transformer with support structures.
- Test and commission it.
- Supply & Installation of 330kV CVT
- Construct 6Nos. 330kV CVT foundation.
- Install and terminate the 6Nos. 330kV CVT
- Test and commission it
- Supply & Installation of 6Nos. 280kV Surge Arrester with support structure.
- Construct 6Nos. 280kV Surge Arrester foundation.
- Install and terminate the Surge Arrester.
- Test and commission it
Extension of 330kV Bus bar and equipment connection -:
- Supply & Installation of 330kV Tubular conductor –Lot
- Supply & Installation of 330kV conductor fittings, insulator and accessories-Lot
- Construction of gantry and support structures for equipment
- Supply 330kV conductor for equipment connections
- Construction of equipment foundations
- Construction of Beam, Column and support gantries
- Supply stringing insulators and hardware.
- Supply and installation of Earthing materials and provide earthing pits
Civil Works
- Soil investigation and earth works.
- New foundation and support structure for 330kV new equipment’s.
- Build necessary gantry structures for 330kV Bus and equipment support structures.
- Construction of drainages round the new extension.
- Site leveling, grading and construction of new cable trench with cover
132kV equipment
- Replacement & Upgrade of 2x100MVA 132/33kV Power Transformers
- Reinforcement of Transformer plinths 2 No.
- Supply and Installation of 2x 100MVA 132/33kV Power Transformers with all associated 132kV Switchgears and accessories.
- Decoupling and removal of the existing transformers
- Test and commissioning of Equipment.
- Supply & Installation of 2Nos. 300KVA, 33/4.15kV Eathing Transformer.
- Install and terminate the Earthing Transformer
- Test and commission it.
- Supply & Installation of 2Nos. fire protector
- Install and terminate the 2Nos. fire protector with support structure
- Test and Commission it
- Supply & Installation of 1No. 132kV, 40kA Circuit Breaker with support structure
- Construct 1No.132kV, 40kA Circuit breaker foundation
- Install and terminate the 1No. 132kV, 40kA Circuit breaker
- Test and commission it
- Supply & Installation of 1No. 132kV, 40kA Disconnector without Earth Switch
- Construct 1No, 132kV, 40kA Disconnect without Earth Switch foundation
- Install and terminate the 1No, 132kV, 40kA Disconnect without Switch
- Test and commission it.
- Supply & Installation of 1No. 132kV,40kA Disconnector with one Earth Switch
- Construct 1No. 132kV, 40kA Disconnect with one Earth Switch foundation with support structure.
- Install and terminate the 1No. 132kV Disconnect with one Earth Switch
- Test and commission it.
- Supply & Installation of 3Nos. 132kV Current Transformer with support structure
- Construct 3Nos. 132kV Current Transformer foundation.
- Install and terminate the 3Nos. 132kV Current Transformer
- Test and commission it.
- Supply & Installation of 2Nos. Current Transformer for Power Transformer Neutral.
- Construct 2Nos. Current Transformer foundation with support structure.
- Install and terminate the 2Nos. Current Transformer with support structures.
- Test and commission it.
- Supply & Installation of 2Nos. Current Transformer for Earthing Transformer Neutral
- Construct 2Nos. Current Transformer foundation with support structure.
- Install and terminate the 2Nos. Current Transformer with support structures.
- Test and commission it.
- Supply & Installation of 132kV CVT
- Construct 3Nos. 132kV CVT foundation.
- Install and terminate the 3Nos. 132kV CVT
- Test and commission it
- Supply & Installation of 3Nos. 120kV Surge Arrester with support structure
- Construct 3Nos. 120kV Surge Arrester foundation.
- Install and terminate the 3Nos. 120kV Surge Arrester.
- Test and commission it
132kV Bus Equipment-:
- Supply & Installation of 132kV, 2x800sqmm Bus conductor -Lot
- Supply & Installation of 330kV conductor fittings, insulator and accessories-Lot
- Construct and erect gantries, support structures and overhead 132kV lines to the between the new 150MVA 330/132kv Transformer secondary and the existing 132kv Bus bar.
33kV Equipment -:
- Supply & Installation of 33kV, 25kA Circuit Breaker with support structure
- Construct 3Nos. 33kV,25kA Circuit Breaker foundation
- Install and terminate the 3Nos. 33kV,25kA Circuit Breaker
- Test and Commission it
- Supply & Installation of 33kV, 25kA Disconnectors without earth switch
- Construct 2Nos. 33kV, 25kA Disconnector switches foundation with support structure
- Install and terminate the 2Nos. 33kV, 25kA Disconnector switches
- Test and Commission it
- Supply & Installation of 33kV, 25kA Disconnectors with one earth switch
- Construct 2Nos. 33kV,25kA Disconnect switch foundation with support structure
- Install and terminate the 2Nos. 33kV,25kA Disconnect switch with support structure
- Test and Commission it
- Supply & Installation of 33kV VT with support structure
- Construct 33kV VT foundation
- Install and terminate the 9Nos. 33kV VT.
- Test and Commission it
- Supply & Installation of 30kV Surge Arresters with support structure
- Construct 9Nos. 30kV Surge Arresters foundation
- Install and terminate the 9Nos. 30kV Surge Arresters
- Test and Commission it
33kV Bus Equipment -:
- Supply & Installation of 33kV, 4’’ tube bus Bus conductor –Lot
- Supply & Installation of 33kV conductor fittings, insulator and accessories-Lot
- Supply & Installation of 33kV VT with support structure
- Construct 3Nos. 33kV bus VT foundation.
- Install and terminate the 3Nos. 33kV bus VT with support structures.
- Test and commission it
Control and Protection panel -:
Note: the control panel should include conventional command and BCU
- Control and Protection Panel for 132kV feeders
- Supply and installation of one LOT of control & protection panels for:
- Incomer 132kV feeder for 2x60 MVA transformer.
- Supply and installation two Automatic Voltage Regulator AVR and RTCC Panels for 132/33 kV Power Transformers.
- Control and Protection Panel for 33kV Feeders:
- Two 33 kV Incomer for 2x 100MVA Power Transformer.
- Eight 33 kV outgoing 132/33kV Power Transformer T2
- 33kV Bus section.
- Common Control Panels:
- Extension of existing 132 Bus bar Protection (BBP).
- Extension of Common Control Panel and SCADA.
- Extension of Fault recorder Panel
- Supply and installation of control cables, power supply cables, communication cables.
Civil Works -:
- Demolish existing 30 MVA transformer foundation and build new 100MVA foundation.
- The faulty 60 MVA transformer foundation will be used by EPC after integrity test
- Construct transformer oil collection pit.
- New foundation and support structure for 132kV and 33kV new equipment’s.
- 33kV Bus support structure to be extended to accommodate two more feeder.
- Construction of access road, fence and drainages.
Control Building-:
- Rehabilitation of existing 132/33kV control building (Painting, Improvement in lighting, Air conditioning, minor building repair works, install cable trench covers for damaged ones).
- Mayo Belwa 132/33kV Substation
- The substation is only 1x 30MVA 132/33kV Mobile transformer without 132kV bus bar.
- 330kV line tower crosses over the substation (132kV line connected)
- There is need to construct 330kV Turn- in- Turn- out lines and transformer bays.
- There is need to construct 132kV bus bar with 2nos transformers and 2nos Line bays.
- Construct a complete 330kv substation.
- Construction of 2Nos of control rooms (330/132kV and 132/33kV)
- Soil investigations and earth works.
Conversion of 132/33kV to 330/132/33kV substation - (by construct 2Nos 330kV line bays and 2Nos 330/132kV Transformer bays)
Additional scoping for 330kV bus bar
- Construction of Turn In Turn Out 330kV Bay -:
- Construct 330kV Turn In Turn Out 330kV Tower
- Construction of the Tower foundations
- Construction of equipment foundations
- Supply and erect 330kv Tower and gantry structures
- Supply erect 330kv Beams, columns and other gantry
- Construct 2nos 330kV lines and 2Nos 330/132kv Transformer Bays
- Supply & Installation of 330kV Tubular conductor –Lot
- Supply & Installation of 330kV conductor fittings, insulators and accessories-Lot
- Construction of gantry and support structures for equipment - lot
- Supply 330kV conductor for equipment connections - lots
- Construct cable trenches and drainages - lots
- Control room building -:
- Construct a standard 330/132kV control room with all the necessary facilities
- Construct a standard 132/33kV control room with all the necessary facilities
- Construct cable trenches and cable trays.
- Supply and installation of control and protection relays, SCADA and communication system
- Supply and installation of Digital controls -Lots
- Supply and installation of numerical protection relays -lots
- Installation and interconnection of SCADA and communication system
- Supply and installation of control cable and termination materials.
- Reinforcement with 1x 150MVA 330/132/33kV Power Transformers
- Construct 150MVATransformer Plinth.
- Supply and Installation of 1x 150MVA 330/132/33kV Power Transformers with all associated switchgears and accessories.
- Install the transformers
- Testing and commissioning of Equipment.
- Supply & Installation of 1Nos. 500kVA, 33/4.15kV Eathing Transformer.
- Construct 1No Earthing Transformer foundation.
- Install and terminate the Earthing Transformer
- Supply and installation of power cable.
- Test and commission it.
- Supply & Installation of 1Nos. fire protector
- Construct fire protector foundation with support structure
- Install and terminate the fire protector of equivalent.
- Test and Commission it.
- Supply & Installation of 6No. 330kV, 40kA Circuit Breaker with support structure
- Construct 6No. 330kV, 40kA Circuit breaker foundation
- Install and terminate the 3No. 132kV, 40kA Circuit breaker.
- Test and commission it
- Supply & Installation of 24No. 330kV, 40kA Disconnect switch without Earthing Switch
- Construct 24No, 330kV, 40kA Disconnect without Earth Switch foundation
- Install and terminate Disconnect without Switch.
- Test and commission it.
- Supply & Installation of 4No. 330kV,40kA Disconnect switch with one Earthing Switch
- Construct 4No. 330kV, 40kA Disconnect switch with one Earth Switch foundation.
- Install and terminate the 4No. 330kV Disconnect switch with one Earth Switch
- Test and commission it.
- Supply & Installation of 36Nos. 330kV Current Transformer with support structure
- Construct 36Nos. 330kV Current Transformer foundation.
- Install and terminate the Current Transformer
- Test and commission it.
- Supply & Installation of 1Nos. Current Transformer for Power Transformer Neutral.
- Construct 1Nos. Current Transformer foundation with support structure.
- Install and terminate the 1Nos. Current Transformer.
- Test and commission it.
- Supply & Installation of 1Nos. 33kV Neutral Current Transformer for Earthing Transformer.
- Construct 1Nos. Current Transformer foundation.
- Install and terminate the 1Nos. Current Transformer.
- Test and commission it.
- Supply & Installation of 12Nos. 330kV CVT with support structure.
- Construct 12Nos. 330kV CVT foundation.
- Install and terminate the 12Nos. 330kV CVT
- Test and commission it
- Supply & Installation of 12Nos. 280kV Surge Arrester with support structure
- Construct 12Nos. 280kV Surge Arrester foundation.
- Install and terminate the Surge Arrester.
- Test and commission it
Civil Works
- Soil investigation and earth works.
- Construction of 330/132kV and 132/33kV control rooms.
- Build complete new 150MVA transformer foundation.
- New foundation and support structure for 330kV new equipment.
- Build necessary gantry structures for 330kV Bus and equipment support structures.
- Site leveling, grading and construction of new cable trench with cover
- Construction of Turn In Turn Out bay for the 2Nos 330kV lines
- Construct 2Nos 330/132kv complete Transformer bays
- Construct transformer oil Pit.
New 132kV equipment
Construction of 132kV Bus bar with 2Nos Transformer and 2Nos 132kV Line Bays
- Construct equipment foundation for the 2Nos 132kV Lines bay
- Construct equipment foundation for the 2Nos Transformer bay
- Supply and erect gantry support structures for the equipment
- Supply and erect 132kv Beams, columns and other gantry Lot
- Supply & Installation of 132kV Tubular conductor –Lot
- Supply & Installation of 132kV conductor fittings, insulator and accessories-Lot
- Supply and erect Post insulator and support - lot
- Construction of support structures for equipment Lot
- Supply conductor for equipment connections Lot
- Construct cable trenches and drainages Lot
- Reinforcement with 1x60MVA 132/33kV Power Transformer
- Construct a new Transformer plinth
- Supply and Installation of 1x 60MVA 132/33kV Power Transformer with all associated 132kV Switchgears and accessories.
- Install and assembled the transformer
- Test and commissioning of Equipment.
- Supply & Installation of 1No, fire protector
- Construct 1No. fire protector foundation with support structure
- Install and terminate the 1No. fire protector with support structure
- Test and Commission it
- Supply & Installation of 3Nos. 132kV, 40kA Circuit Breaker.
- Construct 3Nos.132kV, 40kA Circuit breaker foundation with support structure
- Install and terminate the 3Nos. 132kV, 40kA Circuit breaker with support structures.
- Test and commission it
- Supply & Installation of 3Nos, 132kV, 40kA Disconnector without Earth Switch
- Construct 3Nos, 132kV, 40kA Disconnect without Earth Switch foundation with support structure.
- Install and terminate the 3Nos, 132kV, 40kA Disconnect without Switch with support structures.
- Test and commission it.
- Supply & Installation of 3Nos. 132kV, 40kA Disconnector with one Earth Switch
- Construct 3Nos. 132kV, 40kA Disconnect without Earth Switch foundation with support structure.
- Install and terminate the 3Nos. 132kV, 40kA Disconnect without Switch with support structures.
Test and commission it
- Supply & Installation of 9No, 132kV (1ph) Current Transformer
- Construct 9Nos 132kV (1ph) Current Transformer foundation with support structure.
- Install and terminate the 9Nos. 132kV (1ph) Current Transformer with support structures.
- Test and commission it.
- Supply & Installation of 1No. Neutral Current Transformer with support structure for Power Transformer.
- Construct 1No Current Transformer foundation.
- Install and terminate the 1No. Current Transformer.
- Test and commission it.
- Supply & Installation of 132kV CVT/ (1ph)
- Construct 6Nos. 132kV CVT (1ph) foundation with support structure.
- Install and terminate the 6Nos. 132kV CVT (1ph)
- Test and commission it
- Supply & Installation of 9No, 120kV Surge Arrester
- Construct 9No, 120kV Surge Arrester foundation with support structure.
- Install and terminate the 9No, 120kV Surge Arrester.
- Test and commission it
- Supply & Installation of 4Nos. 132kV wave trap
- Install and terminate the 4No, 132kV wave trap on the CVT.
- Test and commission it
132kV Bus Equipment -:
- Supply & Installation of 132kV, 40 kA, 2x800mm2 bus conductor with all insulators and fittings -Lot
- Supply & Installation of 132kV 40kA conductor fittings and accessories-Lot
- Supply and installation of 132kV, 40 KA, 1x800mm2 equipment interconnection conductors with all insulators and fittings-Lot
- Supply and installation of 132kV CVT (1ph)
33kV Equipment -:
- Supply & Installation of 4Nos. 33kV, 25kA Circuit Breaker with support structure.
- Construct 4Nos 33kV.25kA Circuit Breaker foundation
- Install and terminate the 4Nos. 33kV,25kA Circuit Breaker with support structure
- Test and Commission it
- Supply & Installation of 1No. 33kV 330kVA Earthing Transformer
- Construct 1No. 33kV 300 earthing Transformer foundation.
- Install and terminate the 1No. 33kV 330kVA Earthing Transformer.
- Test and Commission it
- Supply & Installation of 1No, Neutral Current Transformer for Earthing Transformer.
- Construct 1No Current Transformer foundation with support structure.
- Install and terminate the 1No. Current Transformer.
- Test and commission it.
- Supply & Installation of 33kV, 25kA Disconnectors without earth switch
- Construct 4Nos. 33kV, 25kA Disconnector within switches foundation with support structure
- Install and terminate the 4Nos. 33kV, 25kA Disconnector within switches with support structure
- Test and Commission it
- Supply & Installation of 4No, 33kV, 25kA Disconnectors with one earth switch
- Construct 4No, 33kV, 25kA Disconnector with one earth switch foundation with support structure
- Install and terminate the 4No, 33kV, 25kA Disconnect switch with one earthing switches.
- Test and Commission it
- Supply & Installation of 33kV Current Transformers (1ph) with support structure
- Construct 12Nos. 33kV Current Transformers (1ph) foundation
- Install and terminate the 12Nos. 33kV Current Transformers (1ph)
- Test and Commission it
- Supply & Installation of 12Nos. 33kV VT with support structure.
- Construct 33kV VT foundation with support structure
- Install and terminate the 12Nos. 33kV VT
- Test and Commission it
- Supply & Installation of 12No, 30kV Surge Arresters
- Install and terminate the 12No, 30kV Surge Arresters.
- Test and Commission it
33kV Bus Equipment
- Supply & Installation of 33kV, 4’’ tube bus Bus conductor –Lot
- Supply & Installation of 33kV conductor fittings, insulator and accessories-Lot
- Supply & Installation of 33kV bus VT
- Construct 3Nos. 33kV bus VT foundation with support structure.
- Install and terminate the 3Nos. 33kV bus VT with support structures.
- Test and commission it
Control and Protection panel -:
- Control and Protection Panel for 132kV feeders
Supply and installation of one LOT of control & protection panels for;
- 132kV feeder for primary side of 1x60 MVA transformer.
- Two 132kV line feeder.
- One Automatic Voltage Regulator AVR and RTCC Panels for 60 MVA 132/33 kV Power Transformer.
- Control and Protection Panel for 33kV Feeders:
- One 33 kV Incomer for 1x60 MVA Power Transformer.
- Three 33kV outgoing feeders.
- Common Control Panels:
- Installation of Bus bar Protection (BBP).
- Installation of SCADA System.
- Supply and installation of control cables, power supply cables, communication cables.
Civil Works -:
- Build complete new 60 MVA transformer foundation.
- New foundation and support structure for 132kV and 33kV new equipment’s.
- Build necessary gantry structures for 132kV & 33kV Bus and equipment support structures.
- Site leveling, grading and construction of new cable trench with cover.
Control Building -:
Existing control building have adequate space available for new control and protection panels.
- Damaturu 330/132/33kV Substation
The 330/132/33 kV substation is under construction now, expected to commissioned this year with 150 MVA 330/132/33kV and 1No. 60MVA 132/33kV.
NETAP proposed by PC additional 1x 60 MVA transformer to the substation and extend the 33kV substation with one incomer and three outgoing feeders
Additional proposal of 150MVA
330kV side
- Reinforcement with 1x 150MVA 330/132/33kV Power Transformers
- Construct 150MVATransformer Plinth.
- Supply and Installation of 1x 150MVA 330/132/33kV Power Transformers with all associated switchgears and accessories.
- Install the transformers
- Testing and commissioning of Equipment.
- Supply & Installation of 1Nos. 500kVA, 33/4.15kV Eathing Transformer.
- Construct 1No Earthing Transformer foundation.
- Install and terminate the Earthing Transformer
- Supply and installation of power cable.
- Test and commission it.
- Supply & Installation of 1Nos. fire protector with support structure
- Construct fire protector foundation
- Install and terminate the fire protector with support structure
- Test and Commission it
Extension and construction of a 330kV complete one-half circuit breaker Bus bar configuration to accommodate the new 1x 150MVA 330/132/33kV transformer.
- Supply & Installation of 3No. 330kV, 40kA Circuit Breaker with support structure.
- Construct 3No. 330kV, 40kA Circuit breaker foundation.
- Install and terminate the 3No. 132kV, 40kA Circuit breaker.
- Test and commission it
- Supply & Installation of 6No. 330kV, 40kA Disconnect switch without Earth Switch
- Construct 6No, 330kV, 40kA Disconnect switch without Earthing Switch foundation
- Install and terminate Disconnect switch without Earthing Switch
- Test and commission it.
- Supply & Installation of 2No. 330kV,40kA Disconnect switch with one Earthing Switch
- Construct 2No. 330kV, 40kA Disconnect with one Earth Switch foundation.
- Install and terminate the 2No. 330kV Disconnect switch with one Earthing Switch
- Test and commission it.
- Supply & Installation of 18Nos. 330kV Current Transformer with support structure.
- Construct 18Nos. 330kV Current Transformer foundation.
- Install and terminate the Current Transformer
- Test and commission it.
- Supply & Installation of 1Nos. Current Transformer for Power Transformer Neutral.
- Construct 1Nos. Current Transformer foundation with support structure.
- Install and terminate the 1Nos. Current Transformer with support structures.
- Test and commission it.
- Supply & Installation of 1Nos. 33kV Neutral Current Transformer with support structure for Earthing Transformer.
- Construct 1Nos. Current Transformer foundation.
- Install and terminate the 1Nos. Current Transformer with support structures.
- Test and commission it.
- Supply & Installation of 330kV CVT
- Construct 6Nos. 330kV CVT foundation.
- Install and terminate the 6Nos. 330kV CVT
- Test and commission it
- Supply & Installation of 6Nos. 280kV Surge Arrester with support structure
- Construct 6Nos. 280kV Surge Arrester foundation.
- Install and terminate the Surge Arrester.
- Test and commission it.
Extension of 330kV Bus bar and equipment to equipment connection -:
- Supply & Installation of 330kV Tubular conductor –Lot
- Supply & Installation of 330kV conductor fittings, insulator and accessories-Lot
- Construction of gantry and support structures for equipment -lot
- Supply 330kV conductor for equipment connections - lot
- Construction of equipment foundations- lot
- Construction of Beam, Column and support gantries - lot
- Supply stringing insulators and hardware.-lot
- Supply and installation of Earthing materials and provide earthing pits
Civil Works
- Soil investigation and earth works.
- Build complete new 150 MVA transformer foundation.
- New foundation and support structure for 330kV new equipment’s.
- Build necessary gantry structures for 330kV Bus and equipment support structures.
- Site leveling, grading and construction of new cable trench with cover.
- Construction of drainages on the new extension.
New 132kV equipment
- Reinforcement of 1x60MVA 132/33kV Power Transformer
- Construct a new Transformer plinth
- Supply and Installation of 1x 60MVA 132/33kV Power Transformer with all associated 132kV Switchgears and accessories.
- Install and assembled the transformer
- Test and commissioning of Equipment.
- Supply & Installation of 1No, fire protection fire protector with support structure.
- Construct 1No. fire protector foundation with support structure
- Install and terminate the 1No. fire protector.
- Test and Commission it
- Supply & Installation of 2No. 132kV, 40kA Circuit Breaker with support structure
- Construct 2No.132kV, 40kA Circuit breaker foundation.
- Install and terminate the 2No. 132kV, 40kA Circuit breaker.
- Test and commission it
- Supply & Installation of 4Nos, 132kV, 40kA Disconnector without Earth Switch
- Construct 4Nos, 132kV, 40kA Disconnect without Earth Switch foundation with support structure.
- Install and terminate the 4Nos, 132kV, 40kA Disconnect without Switch with support structures.
- Test and commission it.
- Supply & Installation of 1No. 132kV, 40kA Disconnector with one Earth Switch
- Construct 1No. 132kV, 40kA Disconnect without Earth Switch foundation with support structure.
- Install and terminate the 1No. 132kV, 40kA Disconnect without Switch
- Test and commission it
- Supply & Installation of 12No, 132kV (1ph) Current Transformer
- Construct 12Nos 132kV (1ph) Current Transformer foundation with support structure.
- Install and terminate the 12Nos. 132kV (1ph) Current Transformer with support structures.
- Test and commission it.
- Supply & Installation of 1No. Current Transformer for Power Transformer neutral.
- Construct 1No Current Transformer foundation with support structure.
- Install and terminate the 1No. Current Transformer with support structures.
- Test and commission it.
- Supply & Installation of 132kV CVT (1ph)
- Construct 2Nos. 132kV CVT (1ph) foundation with support structure.
- Install and terminate the 2Nos. 132kV CVT (1ph)
- Test and commission it
- Supply & Installation of 3No, 120kV Surge Arrester with support structure
- Construct 3No, 120kV Surge Arrester foundation.
- Install and terminate the 3No, 120kV Surge Arrester.
- Test and commission it
132kV Bus Equipment -:
- Supply & Installation of 2x800mm2 bus conductor with all insulators and fittings -Lot
- Supply & Installation of conductor fittings and accessories-Lot
- Supply and installation of 1x800mm2 equipment conductors with all insulators and fittings-Lot
33kV Equipment -:
- Supply & Installation of 6Nos. 33kV, 25kA Circuit Breaker
- Construct 6Nos 33kV.25kA Circuit Breaker foundation with support structure
- Install and terminate the 6Nos. 33kV,25kA Circuit Breaker with support structure
- Test and Commission it
- Supply & Installation of 1No. 33kV, 415V Earthing Transformer
- Construct 1No. 33kV, 415V Earthing Transformer foundation with support structure
- Install and terminate the Earthing Transformer
- Test and Commission it
- Supply & Installation of 1No, Current Transformer for Earthing Transformer neutral
- Construct 1No Current Transformer foundation with support structure.
- Install and terminate the 1No. Current Transformer with support structures.
- Test and commission it.
- Supply & Installation of 33kV, 25kA Disconnect switch without earthing switch
- Construct 8Nos. 33kV, 25kA Disconnect switch foundation.
- Install and terminate the 8Nos. 33kV, 25kA Disconnect switches.
- Test and Commission it
- Supply & Installation of 4No, 33kV, 25kA Disconnect switch with one earthing switch
- Construct 4No, 33kV, 25kA Disconnect switch with one earthing switch foundation.
- Install and terminate the 4No, 33kV, 25kA Disconnect switch with one earthing switches.
- Test and Commission it
- Supply & Installation of 33kV Current Transformers (1ph) with support structure
- Construct 18Nos. 33kV Current Transformers (1ph) foundation.
- Install and terminate the 18Nos. 33kV Current Transformers (1ph).
- Test and Commission it
- Supply & Installation of 2Nos. 33kV,25kA ratio 132/√3:110/√3 VT with support structure.
- Construct 33kV VT foundation
- Install and terminate the 2Nos. 33kV VT with support structure
- Test and Commission it
- Supply & Installation of 2No, 30kV Surge Arresters with support structure
- Construct 2No, 30kV Surge Arresters foundation.
- Install and terminate the 2No, 30kV Surge Arresters.
- Test and Commission it
33kV Bus Equipment -:
- Supply & Installation of 33kV, 4’’ Tubular Bus conductor –Lot
- Supply & Installation of 33kV conductor fittings, insulator and accessories-Lot
- Supply & Installation of 33kV, 25KA bus Disconnector
- Construct 33kV, 25KA bus Disconnect switch foundation with support structure.
- Install and terminate the 4No. 33kV, 25KA bus Disconnect switch.
- Test and commission it.
- Supply & Installation of 33kV bus VT
- Construct 3Nos. 33kV bus VT foundation with support structure.
- Install and terminate the 3Nos. 33kV bus VT
- Test and commission it
Control and Protection panel -:
- Control and Protection Panel for 132kV feeders
Supply and installation of one LOT of control & protection panels for;
- 132/33 kV Transformers (Primary) Diameter (Complete Diameter with three BCU)
- One Automatic Voltage Regulator AVR and RTCC Panels for 60 MVA, 132/33 kV Power Transformer
- Control and Protection Panel for 33kV Feeders:
- One 33 kV Incomer for 1x60 MVA Power Transformer.
- Three 33kV outgoing feeders.
- Two 33kV bus section feeders.
- Common Control Panels:
- EPC to reconnect /Extension of the 132 & 33kV Bus Bar Protection (BBP) Connection of Common Control Panel.
- Connection of Fault recorder Panel.
- Upgradation of SCADA System.
- Supply and installation of control cables, power supply cables, communication cables.
Civil Works-:
- Build complete new 60 MVA transformer foundation.
- New foundation and support structure for 132kV and 33kV new equipment’s.
- Build necessary gantry structures and equipment support structures.
- Site leveling, grading and construction of new cable trench with cover.
Control Building -:
Existing control building have adequate space available for new control and protection panels.
- BIU 132/33kV Substation
- Upgrading of 1 x 15MVA and 1 X 30MVA with 2 x 60MVA 132/33kV Transformer with High Voltage Switchgears and Associated Equipment.
- Decommissioning and removal of the 1x15MVA and 1x 30MVA power transformer.
- Conduct Integrity test on the existing transformer plinth and reinforcement where necessary.
- Constructing of new transformer plinths for 1 x 60MVA power transformer
- Testing and commissioning.
- Rehabilitation of Control Room
- Complete renovation by painting, tiling, ceiling and replacement of faulty toilet facility.
- Replacement of Air condition, lighting system
- Supply & Installation of 1Nos, 132kV Circuit Breaker with support structure
- Construct 1Nos. 132kV Circuit breaker foundation.
- Install and terminate the 1Nos. 132kV Circuit breaker.
- Test and commission it
- Supply & Installation of 4Nos, 33kV Circuit Breaker with support structure
- Construct 4Nos. 33kV Circuit breaker foundation.
- Install and terminate the 4Nos. 33kV Circuit breaker.
- Test and commission it
- Supply & Installation of 5Nos, 132kV Disconnect Switches without Earthing Switch
- Construct 5Nos 132kV Disconnect Switch foundation with support structure.
- Install and terminate the 4Nos. 132kV Disconnect Switch.
- Test and commission it.
- Supply & Installation of 4Nos, 33kV Disconnect Switch plus Earthing Switch.
- Construct 4Nos 33kV Disconnect Switch foundation.
- Install and terminate the 4Nos. 33kV Disconnect Switch with support structures.
- Test and commission it.
- Supply & Installation of 3Nos, 132kV Current Transformer with support structure
- Construct 3Nos 132kV Current Transformer foundation.
- Install and terminate the 3Nos 132kV Current Transformer.
- Test and commission it.
- Supply & Installation of 12Nos, 33kV Current Transformer with support structure
- Construct 12Nos 33kV Current Transformer foundation.
- Install and terminate the 12Nos 33kV Current Transformer.
- Test and commission it.
- Supply & Installation of 3Nos 132kV Capacitor Voltage Transformer with support structure-
- Construct 3Nos 132kV Capacitor Voltage Transformer foundation.
- Install and terminate the 3Nos 132kV Capacitor Voltage Transformer.
- Test and commission it.
- Supply & Installation of 12Nos, 33kV Voltage Transformer with support structure
- Construct 12Nos 33kV Voltage Transformer foundation.
- Install and terminate the 124Nos 33kV Voltage Transformer.
- Test and commission it
- Civil works -:
- Construct 33kV equipment foundation
- Modified the existing equipment support structures to accommodate the new 33KV equipment.
- Construction of cable trench with trays
- Re-gravelling of the entire switch yard.
- Drainage reconstruction is required.
- New transformer should be connected on the free bay.
- Erection of 132/33Kv gantries foundation is required.
- Construction of equipment foundations is required.
- Construction of plinth for 60MVA transformer is required.
- Extension of cable trenches and concrete slabs.
- Extension of switchyard chain-link fence.
- Equipment Foundations.
- DAMBOA 132/33KV STATION
- Upgrading of 1 x 15MVA and 1 X30MVA with 2 x 60MVA 132/33kV Transformer with High Voltage Switchgears and Associated Equipment.
- Decommissioning and removal of the 1 x 15MVA, 1x 30MVA power transformer.
- Carryout Integrity test on the existing plinth and reinforcement where necessary.
- Constructing of new transformer plinths for 1 x 60MVA power transformer.
- Supply and installation of 2x 60MVA power transformer.
- Testing and commissioning.
- Re-Construction of Control Room
- Complete rebuilding of control room including all facilities.
- Supply & Installation of 3Nos, 132kV Circuit Breaker with support structure
- Construct 3Nos. 132kV Circuit breaker foundation.
- Install and terminate the 3Nos. 132kV Circuit breaker.
- Test and commission it
- Supply & Installation of 4Nos 33kV Circuit Breaker with support structure.
- Construct 4 Nos. 33kV Circuit breaker foundation.
- Install and terminate the 4Nos. 33kV Circuit breaker.
- Test and commission it
- Supply & Installation of 2Nos, 132kV Disconnect Switch .with support structure
- Construct 2Nos 132kV Disconnect Switch foundation.
- Install and terminate the 2Nos. 132kV Disconnect Switch.
- Test and commission it
- Supply & Installation of 4Nos, 33kV Disconnect Switches and 3nos DS with Earthing Switch
- Construct 4Nos 33kV Disconnect Switch foundation with support structure.
- Construct 3Nos 33kV Disconnect Switch plus Earth switch foundation with support structure.
- Install and terminate the 33kV Disconnect Switch.
- Test and commission it.
- Supply & Installation of 3Nos, 132kV Current Transformer
- Construct 3Nos 132kV Current Transformer foundation.
- Install and terminate the 3Nos 132kV Current Transformer.
- Test and commission it
- Supply & Installation of 12Nos, 33kV Current Transformer with support structure.
- Construct 12Nos 33kV Current Transformer foundation.
- Install and terminate the 12Nos 33kV Current Transformer.
- Test and commission it
- Supply & Installation of 3Nos, 132kV Capacitor Voltage Transformer with support structure
- Construct 3Nos 132kV Capacitor Voltage Transformer foundation.
- Install and terminate the 3Nos 132kV Capacitor Voltage Transformer.
- Test and commission it
- Supply & Installation of 12Nos, 33kV Voltage Transformer with support structure.
- Construct 12Nos 33kV Voltage Transformer foundation.
- Install and terminate the 124Nos 33kV Voltage Transformer.
- Test and commission it
- Supply & Installation of 12Nos, 33kV Surge Arrestors
- Install and terminate the 12Nos 33kV Surge Arrestors.
- Test and commission it
Supply & Installation of Control and Relays Panels with Digital Control System.
- Supply, installation and commissioning of newly procured Control and Relay panels for the new bay.
- Supply & Installation of Additional 3 No. Feeders Bay
- Construct a new equipment foundation and gantry structure for the support of the 3Nos. 33kV Feeders.
- Install and terminate the new 3Nos. 33kV Feeders on the gantry structures.
- Test and commission it
Civil works -:
- Re-gravelling of the entire switch yard.
- Drainage reconstruction is required.
- Erection of 132/33Kv gantries foundation is required.
- Construction of equipment foundations is required.
- Construction of plinth for 60MVA transformer is required.
- Extension of cable trenches and concrete slabs.
- Extension of switchyard chain-link fence.
- Maiduguri 330/132/33kV Substation
New equipment for 330kV Switch yard -:
- Reinforcement of 1x150MVA 330/132/33kV Power Transformer
- Construct Transformer plinth
- Supply and Installation of 1x 150MVA 330/132kV Power Transformer with all associated 330kV Switchgears and accessories.
- Install and assembled the transformer
- Testing and commissioning of Equipment.
- Supply & Installation of 1No. 330kV Eathing Transformer.
- Construct 1No. 500kV Earthing Transformer foundation.
- Install and terminate Earthing Transformer.
- Test and commission it.
- Supply & Installation of 1No. fire protector with support structures
- Construct 1No. fire protector foundation with support structure
- Install and terminate the 1No. fire protector GI
- Test and Commission it
- Supply & Installation of 3Nos. 330kV Circuit Breaker with support structures
- Construct 3Nos. 330kV Circuit breaker foundation
- Install and terminate the 3Nos. 330kV Circuit breaker.
- Test and commission it
- Supply & Installation of 6Nos. 330kV, 40kA Disconnector Switch with support structure
- Construct 6Nos. 330kV Disconnector Switch foundation.
- Install and terminate the 6Nos. 330kV Disconnect Switch.
- Test and commission it.
- Supply & Installation of 1No. 330kV,40kA Disconnect with Earthing Switch
- Construct 1No. 330kV Disconnect with Earthing Switch foundation.
- Install and terminate the 1No. 330kV Disconnect with Earthing Switch.
- Test and commission it.
- Supply & Installation of 18Nos. 330kV Current Transformer with support structure
- Construct 18Nos. 330kV Current Transformer foundation.
- Install and terminate the 18Nos. 330kV Current Transformer.
- Test and commission it.
- Supply & Installation of 1No. Current Transformer for 150MVA Power Transformer Neutral.
- Construct 1No. Current Transformer foundation.
- Install and terminate Neutral Current Transformer.
- Test and commission it.
- Supply & Installation of 1No Current Transformer for Earthing Transformer Neutral
- Construct 1No. Current Transformer for Earthing neutral foundation.
- Install and terminate the 1No. 330kV Neutral Current Transformer for Earthing.
- Test and commission it.
- Supply & Installation of 5No, 330kV CVT with support structures
- Construct 5Nos 330kV Capacitor Voltage Transformer foundation.
- Install and terminate the Current Voltage Transformer.
- Test and commission it
- Supply & Installation of 3Nos. 280kV Surge Arrester with support structures.
- Construct 3Nos. 280kV Surge Arrester foundation.
- Install and terminate Surge Arrester.
- Test and commission it
330KV BUS EQUIPMENT -:
- Supply & Installation of 330kV, 2x800sqmm bus conductor -Lot
- Supply & Installation of 330kV conductor fittings, insulator and accessories-Lot
- Supply & Installation of 60MVA 132/33kV Power Transformers
132kV SIDE
- Supply and installation of 2x 60MVA 132/33kV Power Transformer
- construct a new Transformer plinth,
- Supply and Installation of 2x60MVA 132/33kV Power Transformers with all associated
- Install and assembled the transformers
- Test and commissioning of Equipment.
- Supply & Installation of 2Nos. Transformer fire protector
- Construct 2No. fire protector foundation with support structure
- Install and terminate the 2No. fire protector with support structure
- Test and Commission it.
- Supply & Installation of 2Nos. 33/4.15kV Earthing transformer
- Construct 2Nos. 33/4.15kV Earthing transformer foundation
- Install and terminate the 2Nos. 33/4.15kV earthing transformer
- Test and Commission it
- Supply & Installation of 4Nos. 132kV, 40kA Circuit Breakers with support structure
- Construct 4Nos. 132kV, 40kA Circuit Breakers foundation.
- Install and terminate the 4Nos. 132kV, 40kA Circuit Breakers.
- Test and Commission it
- Supply & Installation of 1No. Current Transformer for Power Transformer neutral.
- Construct 1No. Current Transformer foundation.
- Install and terminate the 1No. Current Transformer.
- Test and Commission it
- Supply & Installation of 1No. Current Transformer for Earthing Transformer Neutral
- Construct 1No. Current Transformer foundation.
- Install and terminate the 1No. Current Transformer.
- Testing and Commissioning.
- Supply & Installation of 8Nos. 132kV, 40kA Disconnect Switch with support structure
- Construct 8Nos. 132kV, 40kA Disconnect switch foundation.
- Install and terminate the 8Nos. 132kV, 40kA Disconnectors without Earth switch
- Test and Commission it
- Supply & Installation of 3Nos. 132kV,40kA Disconnect with Earth Switch
- Construct 8Nos, 3Nos. 132kV,40kA Disconnect with Earth switch foundation with support structure
- Install and terminate the 3Nos, 132kV,40kA Disconnector with Earth switch
- Test and Commission it
- Supply & Installation of 24Nos. 132kV Current Transformer
- Construct 24Nos. 132kV, 40kA Current Transformer foundation.
- Install and terminate the 24Nos. 132kV Current Transformer.
- Test and Commission it
- Supply & Installation of 2Nos, 132kV CVT with support structure
- Construct 2Nos 132kV CVT foundation
- Install and terminate the 2Nos 132kV CVT.
- Test and Commission it
- Supply & Installation of Surge Arresters with support structure
- Construct 9Nos. Surge Arresters foundation with support structure
- Install and terminate the 9Nos. Surge Arresters.
- Test and Commission it
132kV Bus Equipment -:
- Supply & Installation of 132kV bus conductor- Lot
- Supply & Installation of conductor fittings, insulator and accessories
33kV Equipment -:
- Supply & Installation of 33kV, 25kA Circuit Breaker with support structure
- Construct 10Nos. 33kV,25kA Circuit Breaker foundation
- Install and terminate the 10Nos. 33kV,25kA Circuit Breaker
- Test and Commission it
- Supply & Installation of 33kV, 25kA Disconnect switch
- Construct 20Nos. 33kV, 25kA Disconnector switch foundation.
- Install and terminate the 20Nos. 33kV, 25kA Disconnect switch
- Test and Commission it
- Supply & Installation of 33kV, 25kA Disconnect with earthing switch
- Construct 8Nos. 33kV, 250kA Disconnect with earthing switch foundation.
- Install and terminate the 8Nos. 33kV,25kA Disconnect switch
- Test and Commission it
- Supply & Installation of 36Nos, 33kV Current Transformers with support structure
- Construct 36Nos. 33kV Current Transformers foundation
- Install and terminate the 36Nos. 33kV Current Transformers
- Test and Commission it
- Supply & Installation of 36Nos 33kV VT with support structure
- Construct 36Nos. 33kV VT foundation.
- Install and terminate 33kV VT
- Test and Commission it
- Supply & Installation of 120kV, Surge Arresters with support structure
- Construct 24Nos. 120kV, Surge Arresters foundation.
- Install and terminate the Surge Arresters
- Test and Commission it
Control and Protection panel -:
The control panel should include conventional command and BCU
- Control panel for 330kV feeders
Supply and installation of one LOT of control & protection panels for;
- Missing control panel materials for 330/132kV Power Transformer TR2 diameter.
- Missing Control panel materials of 330 KV Tie bay 1.
- Missing Control panel materials 330kV tie bay 2.
- Protection Panel for 330 kV Feeders:
- 330/132kV Power Transformer TR2 diameter.
- 330 KV Tie bay 1
- 330kV tie bay 2.
- Supply and installation two Automatic Voltage Regulator AVR and RTCC Panels for 330132/33 kV Power Transformers.
- Control and protection Panel for 132kV Feeders:
- Supply and installation of one LOT of Control & protection Panels for:
- Missing parts of control panel for Incomer feeder from 150 MVA transformer.
- 132/33kV Power transformer T1.
- 132/33kV Power transformer T2.
- 132kV tie bay.
- Supply and installation of one LOT of Automatic Voltage Regulator AVR and RTCC Panels for 132/132 kV Power Transformers.
- Control and protection panels for 33 kV Feeders:
- Supply and installation of one LOT of Control & protection Panels for:
- 33 kV Incomer 132/33kV Power Transformer T1.
- 33 kV Incomer 132/33kV Power Transformer T2.
- Nine (6) outgoing feeders 33 kV.
- 33 kV Bus section.
- 33kVBus Coupler.
- Common Control panels:
- Extension of existing 330 kV Bus Bar Protection (BBP).
- Extension of existing 132 kV Bus Bar Protection (BBP).
- Extension of Common Control Panel.
- Extension of Fault recorder Panel.
- Extension of existing SCADA System.
- Supply and installation of control cables, power supply cables, communication cables.
Civil Works -:
- Construct 150MVA transformer plinth
- Construct 2x60MVA Power Transformers plinths
- Construct Earthing transformer plinths.
- Construct foundation for new equipment and gantry structures.
- Construct and erect gantry/beam structure.
- Construct cable trenches and drainages.
Control Building -:
- The existing control building have space for new control and relay panels for 330kV and 132kV relay and control panels. Since the plan is to build a new 33kv substation, we propose to extension of existing control building accommodating 33kv control and protection panel.
- EPC to provide Air conditioning system for extended portion of substation
- BAUCHI 132/33KV STATION
- Upgrading of 1 x 22.5MVA and 1 x30MVA with 2 x 60MVA 132/33kV Transformer with High Voltage Switchgears and Associated Equipment.
- Decommissioning and removal of the 2 x 30MVA power transformer
- carry out integrity test on the Existing transformer plinths for 2 x 60MVA power transformer
- Supply and commissioning of 2x 60MVA power transformer.
- Testing and commissioning of the equipment
Equipment -:
- Supply & Installation of 6Nos 132kV Current Transformers with support structure for Transformer primary bays.
- Construct 6Nos. 33kV Current Transformers foundation
- Install and terminate the 6Nos. 33kV Current Transformers
- Test and Commission it
- Supply & Installation of 120kV, Surge Arresters with support structure
- Construct 6Nos. 120kV, Surge Arresters foundation.
- Install and terminate the Surge Arresters
- Test and Commission it
- Supply & Installation of 4Nos 132kV Disconnect switch (primary)
- Construct 4Nos. 132kV Disconnector switch foundation.
- Install and terminate the Disconnect switch
- Test and Commission it
- Supply & Installation of 33kV, 25kA Circuit Breaker with support structure for transformer secondary bays-:
- Construct 2Nos. 33kV,25kA Circuit Breaker foundation
- Install and terminate the 2Nos. 33kV,25kA Circuit Breaker
- Test and Commission it
- Supply & Installation of 33kV, 25kA Disconnect switch
- Construct 4Nos. 33kV, 25kA Disconnector switch foundation.
- Install and terminate the 4Nos. 33kV, 25kA Disconnect switch
- Test and Commission it
- Supply & Installation of 6Nos 33kV Current Transformers with support structure for transformer secondary bays.
- Construct 6Nos. 33kV Current Transformers foundation
- Install and terminate the 6Nos. 33kV Current Transformers
- Test and Commission it
- Supply & Installation of 6Nos 33kV VT with support structure
- Construct 6Nos. 33kV VT foundation.
- Install and terminate 33kV VT
- Test and Commission it
- Supply & Installation of 6Nos 30kV Surge Arresters with support structure
- Construct 6No 30kV Surge Arresters foundation.
- Install and terminate the Surge Arresters
- Test and Commission it.
Supply & Installation of Control and Relays Panels with Digital Control System-
- Decommission of the existing electromechanical protection relay & control panel.
- Remove the decommissioned C R P from the control room to a designated place
- Install the new digital/ numeric relays, SCADA and digital control system.
- Supply and lay control cable between the switchyard and control room.
- Prepare and connect the control and protection, SCADA cable to each equipment and devices.
- Testing and commissioning.
Civil works -:
- Rehabilitation of Control Room
- Complete renovation by painting, tiling, Skidding and replacement of faulty toilet facility.
- Replacement of Air condition, lighting system
NTP-TR3 LOT 2
Supply and installation contract which is required for the augmentation of Reinforcement works, Replacement and Upgrade of existing Transmission substations in Bauchi Region. The Stations includes;
S/N | SUBSTATION | LOCATION |
1 | Jalingo, 132/33kV Substation | Jalingo substation is located at the city center along Gombe road in Biu area of Borno state. It is about two hour 15minutes drive from Gombe airport |
2 | Gombe 330/132/33kV Substation | Gombe substation is located at the city center of Bauchi, and is along kekule road near the GRA area of Gombe. It is about One hour drive from Gombe airport. |
3 | Jos TS 132/33kV Substation | Jos substation is located at the outskirt of Jos city center along Kaduna/Saminaka road in Plateau state. It is about One hour drive from Jos airport. |
4 | New Bauchi 330/132kV Substation. | New Bauchi 2x 187.5MVA 330/132kV Transformer substation is adjacent to the existing 132/33kV substation that is located near to the Nigerian Railway station in Bauchi at the city center along Gombe road in Bauchi state. It is about 35minutes drive from Bauchi airpor |
- JALINGO 330/132/33KV STATION
Conversion of 132/33kV to 330/132/33kV substation - (by construct 2Nos 330kV line bays and 2Nos 330/132kV Transformer bays)
- Construction of Turn In Turn Out 330kV Bay -:
- Construct 330kV Turn In Turn Out 330kV Tower
- Construction of the Tower foundations
- Construction of equipment foundations Lot
- Supply and erect 330kv tower and gantry structures Lot
- Supply erect 330kv Beams, columns and other gantry Lot
- Construct 2nos 330kV lines and 2Nos 330/132kv Transformer Bays
- Supply & Installation of 330kV Tubular conductor –Lot
- Supply & Installation of 330kV conductor fittings, insulator and accessories-Lot
- Construction of gantry and support structures for equipment Lot
- Supply 330kV conductor for equipment connections Lot
- Construct cable trenches and drainages Lot
- Control room building -:
- Construct a standard 330/132kV control room with all the necessary facilities
- Construct cable trenches and cable trays.
- Upgrading of 132/33KV substation to 330/132/33KV substation with 1x150MVA Transformer.
- Supply and Installation of 1x 150MVA power transformer with all associated accessories.
- Construction of Transformer Plinth (Foundation).
- Installation and termination of transformer.
- Testing and commissioning.
- Supply & Installation of Control and Relays Panels with Digital Control System
- Supply, installation and commissioning of newly procured Control and Relay panels for the new 330/132kV transformer.
- Supply, installation and commissioning of newly procured Control and Relay panels for the new 330kV bus bar and Lines.
- Test and commission it
- Supply & Installation of 6No, 330kV Circuit Breaker with support structure.
- Construct a new 6No of 330kV Circuit breaker foundation.
- Install and terminate the new 6Nos. 330kV Circuit breaker with support structures.
- Test and commission it
- Supply & Installation of 24No, 330kV Disconnector Switches with support structure
- Construct a new 24No of 330kV Disconnector Switches foundation
- Install and terminate the new 24Nos. 330kV Disconnector Switches with support structures.
- Test and commission it
- Supply & Installation of 4No, 330kV Disconnector Switches with Ground with support structure
- Construct a new 4No of 330kV Disconnector Switches foundation.
- Install and terminate the new 4Nos. 330kV Disconnector Switches.
- Test and commission it.
- Supply & Installation of 36Nos 330kV Current Transformer with support structure.
- Construct a new 36Nos 330kV Current Transformer foundation.
- Install and terminate the new 36Nos. 330kV Current Transformer.
- Test and commission it
- Supply & Installation of 12No, 330kV Capacitor Voltage Transformer with support structure.
- Construct a new 12No of 330kV Capacitor Voltage Transformer foundation.
- Install and terminate the new 12Nos. 330kV Capacitor Voltage Transformer.
- Test and commission it
- Supply & Installation of 12Nos, 330kV Surge Arrestors with support structure.
- Construct 12Nos 330kV Surge Arrestors.
- Install and terminate the 12Nos 330kV Surge Arrestors
- Test and commission it
- Supply & Installation of 3No, 132kV Circuit Breaker with support structure.
- Construct 3Nos. 132kV Circuit breaker foundation.
- Install and terminate the new 12Nos. 132kV Circuit breaker.
- Test and commission it
- Supply & Installation of 3Nos 132kV Current Transformer with support structure.
- Construct a new 3Nos 132kV Current Transformer foundation.
- Install and terminate the new 3Nos. 132kV Current Transformer.
- Test and commission it
- Supply & Installation of 3No, 132kV Disconnect switch with support structure.
- Construct 3Nos. 132kV Disconnect switch foundation.
- Install and terminate the new 3Nos. 132kV Disconnect switches
- Test and commission it
- Supply & Installation of 1No, 132kV Disconnect switch with grounding switches
- Construct 1Nos. 132kV Disconnect switch grounding switches foundation.
- Install and terminate the new 1Nos. 132kV Disconnect switch with ground switches.
- Test and commission it
- Supply and installation of 33kV Transformer secondary and feeders bays
- Supply and installation of 12nos 33kv current transformer
- Supply and installation of 3nos 33kv voltage transformer
- Supply and installation of 5nos 33kv disconnect switch.
- Supply and installation of 4nos 33kv circuit breaker.
- Supply and installation of 4nos 33kv disconnect switch with grounding switch
- Extension and Erection of 132KV Gantries including Bus Bar arrangement.
- Construction Gantries Foundation with support structures
- Erection of Gantries.
- Construct foundations, gantry support and Overhead 132kV Lines to Link the existing 132kV Bus bar with the new 150MVA 330/132kV transformer secondary.
Civil works -:
- Construction of New control room for 330/132KV
- Transformer and Equipment Foundations.
- Cable trenches and slabs.
- Staff Quarters 3Bed room semidetached and 2 Bed room.
- Construction of Switch yard Drainages.
- GOMBE 330/132/33kV Substation
- Extension and construction of 330kV bus bar required.
- Completion of the 75MX 330kV Reactor bay with CB and Isolators.
Additional scoping for 300MVA transformer and extension of 330kV bus bar
330kV side
- Reinforcement with 1x 300MVA 330/132/33kV Power Transformers
- Construct 300MVATransformer Plinth.
- Supply and Installation of 1x 300MVA 330/132/33kV Power Transformers with all associated switchgears and accessories.
- Install the transformers
- Testing and commissioning.
- Supply & Installation of 1Nos. 500kVA, 33/4.15kV Eathing Transformer.
- Construct 1No Earthing Transformer foundation with support structure.
- Install and terminate the Earthing Transformer
- Supply and installation of Power cable.
- Test and commission it.
- Supply & Installation of 1Nos. fire protector with support structure
- Construct fire protector foundation with support structure
- Install and terminate the fire protector.
- Test and Commission it
Extension and construct a 330kV complete one-half circuit breaker Bus bar configuration to accommodate the new 1x 300MVA 330/132/33kV transformer.
- Supply & Installation of 6No. 330kV, 40kA Circuit Breaker with support structure
- Construct 3No. 330kV, 40kA Circuit breaker foundation.
- Install and terminate the 3No. 132kV, 40kA Circuit breaker
- Construct foundation and Install 2No. 330kV CB for the 75MX Reactor bay.
- Test and commission it
- Supply & Installation of 12No. 330kV, 40kA Disconnect without Earth Switch
- Construct 6No, 330kV, 40kA Disconnect Switch foundation for Transformer bay.
- Install and terminate Disconnect without Switch
- Construct foundation and Install 6No. 330kV DS for the 75MX Reactor bay.
- Test and commission it.
- Supply & Installation of 2No. 330kV,40kA Disconnector with one Earth Switch
- Construct 2No. 330kV, 40kA Disconnect with one Earth Switch foundation with support structure.
- Install and terminate the 2No. 330kV Disconnect with one Earth Switch
- Test and commission it.
- Supply & Installation of 18Nos. 330kV Current Transformer with support structure
- Construct 18Nos. 330kV Current Transformer foundation.
- Install and terminate the Current Transformer
- Test and commission it.
- Supply & Installation of 1Nos. Neutral Current Transformer for Power Transformer.
- Construct 1Nos. Current Transformer foundation with support structure.
- Install and terminate the 1Nos. Current Transformer.
- Test and commission it.
- Supply & Installation of 1Nos. 33kV Neutral Current Transformer for Earthing Transformer
- Construct 1Nos. Current Transformer foundation with support structure.
- Install and terminate the 1Nos. Current Transformer.
- Test and commission it.
- Supply & Installation of 330kV CVT with support structure
- Construct 6Nos. 330kV CVT foundation.
- Install and terminate the 6Nos. 330kV CVT
- Test and commission it
- Supply & Installation of 6Nos. 280kV Surge Arrester with support structure
- Construct 6Nos. 280kV Surge Arrester foundation.
- Install and terminate the Surge Arrester.
- Test and commission it
Extension of 330kV Bus bar and equipment connection -:
- Supply & Installation of 330kV Tubular conductor –Lot
- Supply & Installation of 330kV conductor fittings, insulator and accessories-Lot
- Construction of gantry and support structures for equipment
- Supply 330kV conductor for equipment connections
- Construction of equipment foundations
- Construction of Beam, Column and support gantries
- Supply stringing insulators and hardware.
- Supply and installation of Earthing materials and provide earthing pits
Civil Works
- Soil investigation and earth works.
- Build complete new 300 MVA transformer foundation.
- New foundation and support structure for 330kV new equipment’s.
- Build necessary gantry structures for 330kV Bus and equipment support structures.
- Site leveling, grading and construction of new cable trench with cover
132kV equipment
- Reinforcement of 1x 100MVA Power Transformer
- construct a new Transformer plinth
- Supply and Installation of 1x 100MVA 132/33kV Power Transformer with all associated 132kV Switchgears and accessories.
- Install and assembled the transformer
- Supply and installation of control cable
- Test and commissioning of Equipment.
- Supply & Installation of 1No, fire protector with support structure
- Construct 1No. fire protector foundation
- Install and terminate the 1No. fire protector
- Supply and installation of cable
- Test and Commission it
- Supply & Installation of 1No. 132kV, 40kA Circuit Breaker with support structure.
- Construct 1No.132kV, 40kA Circuit breaker foundation
- Install and terminate the 1No. 132kV, 40kA Circuit breaker
- Supply and installation of power and control cable
- Test and commission it
- Supply & Installation of 2Nos, 132kV, 40kA Disconnector switch and its support structure
- Construct 2Nos, 132kV, 40kA Disconnector Switch foundation
- Install and terminate the 2Nos, 132kV, 40kA Disconnect Switch with support structures.
- Test and commission it.
- Supply & Installation of 3No, 132kV Current Transformer
- Construct 3Nos 132kV Current Transformer foundation with support structure.
- Install and terminate the 3Nos. 132kV Current Transformer with support structures.
- Test and commission it.
- Supply & Installation of 1No. Neutral Current Transformer for Power Transformer
- Construct 1No Current Transformer foundation
- Install and terminate the 1No. Current Transformer
- Test and commission it.
- Supply & Installation of 132kV CVT
- Construct 3Nos. 132kV CVT foundation
- Install and terminate the 3Nos. 132kV CVT
- Test and commission it
- Supply & Installation of 3No, 120kV Surge Arrester
- Install and terminate the 3No, 120kV Surge Arrester
- Test and commission it
132kV Bus Equipment -:
- Supply & Installation of 132kV, 1x800sqmm Bus conductor -Lot
- Supply & Installation of 132kV conductor fittings, insulator and accessories-Lot
33kV Equipment -:
- Supply & Installation of 1No. 33kV, 25kA Circuit Breaker with support structure
- Construct 1No, 33kV.25kA Circuit Breaker foundation
- Install and terminate the 1No. 33kV,25kA Circuit Breaker
- Test and Commission it
- Supply & Installation of 1No. 33kV, 415V Earthing Transformer
- Construct 1No. 33kV, 415V Earthing Transformer foundation
- Install and terminate the 1No. 33kV, 415V Earthing Transformer
- Supply and installation of power cables
- Test and Commission it
- Supply & Installation of 1No, Neutral Current Transformer for Earthing Transformer
- Construct 1No Current Transformer foundation
- Install and terminate the 1No. Current Transformer
- Supply and installation of control cable
- Test and commission it.
- Supply & Installation of 1No, 33kV, 25kA Disconnect switch with support structures
- Construct 1No, 33kV, 25kA Disconnect switches foundation
- Install and terminate the 1No, 33kV, 25kA Disconnect switches
- Test and Commission it
- Supply & Installation of 3No, 33kV Current Transformers with support structures
- Construct 3Nos, 33kV Current Transformers foundation
- Install and terminate the 3Nos, 33kV Current Transformers
- Supply and installation of control cable
- Test and Commission it
- Supply & Installation of 33kV VT with support structure
- Construct 33kV VT foundation
- Install and terminate the 3Nos. 33kV VT
- Supply and installation of control cable
- Test and Commission it
- Supply & Installation of 3No, 33kV Surge Arresters with support structure
- Construct 3No, 33kV Surge Arresters foundation
- Install and terminate the 3No, 33kV Surge Arresters Test and Commission it
33kV Bus Equipment -:
- Supply & Installation of 33kV, 4’’ tubular bus conductor –Lot
- Supply & Installation of 33kV conductor, fittings, insulator and accessories-Lot
- Supply & Installation of 33kV bus Disconnect switch with support structure
- Construct 33kV bus Disconnect switch foundation
- Install and terminate the 1No. 33kV bus Disconnect switch
- Test and commission it
- Supply & Installation of 33kV bus VT
- Construct 3Nos. 33kV bus VT foundation with support structure.
- Install and terminate the 3Nos. 33kV bus VT.
- Test and commission it
Control and Protection panel -:
- Control and Protection Panel for 132kV feeders
- Supply and installation of one LOT of control & protection panels for;
- Incomer 132kV feeder for 100MVA transformer.
- Supply and installation one Automatic Voltage Regulator AVR and RTCC Panels for 100 MVA, 132/33 kV Power Transformers.
- Control and Protection Panel for 33kV Feeders:
- Supply and installation of one lot of Control Panels for:
- One 33 kV Incomer for 1x100 MVA Power Transformer
- Common Control Panels:
- EPC to reconnect the 132 & 33kV Bus Bar Protection (BBP) Connection of Common Control Panel.
- Connection of Fault recorder Panel.
- Upgradation of SCADA System.
- Supply and installation of control cables, power supply cables, communication cables.
Civil Works -:
- Demolish existing 45 MVA transformer foundation.
- Construct new 100 MVA foundation with oil collection pit
- Construct gantry extension for new 100 MVA transformer.
- Construct 3nos of foundation and support structure for 132kV and 33kV new equipment.
Control Building - :
Renovation of existing control building (Painting, Improvement in lighting, Air conditioning, building repair works, operator console).
- JOS 330/132/33kV Substation
- Reinforcement of with 1x 300MVA 330/132/33KV Transformer.
- Supply and Installation of 1x 300MVA power transformers with all associated High Voltage equipment.
- Construction of Transformer Plinths.
- Installation and termination of the transformer
- Testing and commissioning.
- Reinforcement of 1x 100MVA 132/33kV Transformer.
- Supply and Installation of 1x100MVA power transformers with all associated High Voltage equipment.
- Construction of Transformer Plinths.
- Installation and termination of the transformer
- Testing and commissioning.
- Supply & Installation of Control and Relays Panels with Digital Control System
- Supply, installation of Control and Relay panels for the new 330/132/33KV transformer.
- Supply, installation of Control and Relay panels for the new 132/33KV transformer
- Test and commission it
- Rehabilitation of existing control room 330/132KV Control Room
- Supply & Installation of 2Nos 330kV Circuit Breaker with support structure
- Construct a new 2Nos 330kV Circuit breaker foundation.
- Install and terminate the new 2Nos. 330kV Circuit breaker with support structures.
- Test and commission it
- Supply & Installation of 4No, 330kV Disconnect Switches with support structures
- Construct a new 4No of 330kV Disconnect Switches foundation.
- Install and terminate the new 4Nos. 330kV Disconnect Switches.
- Test and commission it
- Supply & Installation of 2No, 330kV Disconnect Switches with Ground
- Construct a new 2No of 330kV Disconnect Switches foundation with support structure.
- Install and terminate the new 2Nos. 330kV Disconnect Switches with support structures.
- Test and commission it
- Supply & Installation of 18No, 330kV Current Transformer with support structures.
- Construct a new 18No of 330kV Current Transformer foundation.
- Install and terminate the new 18Nos. 330kV Current Transformer.
- Test and commission it.
- Supply & Installation of 6No, 330kV Capacitor Voltage Transformer with support structures
- Construct a new 6No of 330kV Capacitor Voltage Transformer foundation.
- Install and terminate the new 6Nos. 330kV Capacitor Voltage Transformer.
- Test and commission it
- Supply & Installation of 6Nos, 330kV Surge Arrestors with support structures.
- Construct 6Nos 330kV Surge Arrestors.
- Install and terminate the 6Nos 330kV Surge Arrestors
- Test and commission it
Supply and Erection of 330KV Gantries including Bus Bar arrangement.
- Construction Gantries Foundation with support structures
- Erection of Gantries and commissioning’
CIVIL WORKS:-
- Rehabilitation of control room for 330/132Kv.
- Transformer and Equipment Foundations.
- Construction of Cable trenches and slabs.
- All equipment foundations
- Switch yard Drainages.
132kV substation -:
- Supply & Installation 132KV Bus Extension and Gantry arrangement.
- Construct gantry foundations - lot.
- Install and Erection of gantry structures.
- Supply and installation 3Nos 132kV current transformer with support structure
- Supply and installation 3Nos 132kV capacitor voltage transformer with support structure
- Supply and installation of 4Nos 132kV Disconnect switch with support structure
- Supply and installation of 1Nos 132kV disconnect without Earthing switch.
- Supply and installation of conductor, post insulators and connection hardware.
- Testing and commissioning.
- Installation of 1 x 100MVA 132/33kV Power Transformers with associated Secondary and Outgoing 33kV Feeders 10nos.
- Construction of 100MVA 132/33kV Power Transformer plinth.
- Install and assembled the transformer
- Testing and commissioning of the equipment
- Supply & Installation of Control and Relays Panels with Digital Control System
- Supply, installation and commissioning of newly procured Control and Relay panels for the new bays.
- Supply & Installation of 9Nos, 132kV Current Transformer
- Construct 9Nos 132kV Current Transformer foundation with support structure.
- Install and terminate the 9Nos 132kV Current Transformer with support structures.
- Test and commission it
- Supply & Installation of 6No, 132kV Capacitor Voltage Transformer with support structures
- Construct a new 6No of 132kV Capacitor Voltage Transformer foundation.
- Install and terminate Capacitor Voltage Transformer.
- Test and commission it
- Supply & Installation of 6Nos, 132kV Surge Arrestors with support structures.
- Construct 6Nos 132kV Surge Arrestors.
- Install and terminate Surge Arrestors
- Test and commission
- Supply & Installation of 6No, 132kV Disconnector switches
- Construct 6Nos. 132kV Disconnector switches foundation with support structure.
- Install and terminate the new 6Nos. 132kV Disconnector switches with support structures.
- Test and commission it
- Supply & Installation of 1No, 132kV Disconnector with grounding switches
- Construct 1Nos. 132kV Disconnector grounding switches foundation with support structure.
- Install and terminate the new 1Nos. 132kV Disconnector grounding switches with support structures.
- Test and commission it
- Supply & Installation of 2Nos, 33kV Disconnect Switches Switch
- Construct 2Nos 33kV Disconnect Switch foundation with support structure.
- Install and terminate the 2Nos. 33kV Disconnect Switch with support structures.
- Test and commission it
- Supply & Installation of 5Nos, 33kV Circuit Breaker with support structures
- Construct 5Nos. 33kV Circuit breaker foundation.
- Install and terminate the 5Nos. 33kV Circuit breaker.
- Test and commission it
- Supply & Installation of 15Nos, 33kV Current Transformer with support structures
- Construct 15Nos 33kV Current Transformer foundation.
- Install and terminate the 15Nos 33kV Current Transformer.
- Test and commission it
- Supply & Installation of 15Nos, 33kV Voltage Transformer with support structures
- Construct 15Nos 33kV Voltage Transformer foundation.
- Install and terminate the 15Nos 33kV Voltage Transformer.
- Test and commission it
- Supply & Installation of 2Nos 300kVA 33kV Earthing Transformers.
- Construct 2Nos 33kV Earthing Transformer foundation.
- Install and terminate the 2Nos 33kV Earthing Transformer.
- Supply and installation of power cable.
- Test and commission it
- Supply & Installation of 33KV Bus Extension and Gantry arrangement.
- Construct of Gantry foundation with support structure.
- Install and Erection of gantry structures.
- Commission it
- Supply & Installation of 15Nos, 33kV Surge Arrestors.
- Construct 15Nos 33kV Surge Arrestors.
- Install and terminate the 15Nos 33kV Surge Arrestors
- Test and commission it.
CIVIL WORKS 132/33KV SS:-
- Transformer plinth and Equipment Foundations.
- BAUCHI 330/132 KV SUBSTATION (NEW)
Construction of 2Nos 330kV line bays, 1X 75MX Shunt reactor, 2x 187.5MVA, 330/132/33kV Transformer bays, 4x 132kv Lines bays, Control room building, demolish and reconstruction of new regional office complex and construction of access road and other civil works.
- Supply and installation of 2x 187.5MVA 330/132/33kV Power Transformers with all associated switchgear equipment.
- Supply and installation of 1x 75 MX 330kV Shunt Reactor with all associated switchgear equipment.
- Construction of 330kV substation switchyard with two complete Diameters of One-half circuit breaker bus bar configuration (including 2nos 330kV Line bays, 2Nos Power Transformer bays using Tubular conductor.
- Construction of 132kV substation switchyard with three complete Diameters of One-half circuit breaker bus bar configuration (including 4Nos 132kV Line bays, 2Nos 187.5MVA 330/132/33kV Power Transformer secondary bays) using Tubular conductor.
- Construction of 330kV double circuit (Turn- in- Turn- out lines) Towers to intercept the existing 330kV Jos – Gombe 330kV line tower.
- Construction of 330kV and 132kV tension and terminal Towers for necessary connections to existing 132kV bus bar.
- Supply and installation of switchgears (330KV and 132kV Capacitor Voltage Transformer, Current Transformer, Circuit breaker and Disconnect switches).
- Construction of new 187.5MVA 330/132/33kV transformer plinths with oil separator pits.
- Construction of 75 MX 330kV Shunt reactor plinths with oil separator pits.
- Supply and installation of protection and control panels with Digital Control System (DCS) for the new 330kV & 132kV circuits.
- Substation Automation System (SAS) shall be integrated into existing TCN SCADA system and the signal shall be monitor at NCC Osogbo.
- Supply and installation of Grid Energy Metering panel for the 330kV, 132kV circuits.
- Construction of standard control room building with all necessary facilities as specified.
- Supply and installation of 1Nos 100kW diesel generator set.
- Construction of water borehole, underground, overhead tanks and necessary facilities.
- Carry out Soil investigations and earth works.
- Construction of standard administrative office complex as specified.
- Construction of 2-bed rooms and 3- bed rooms flats staff quarters.
- Construction of drainages within and outside the site.
- Construction of internal and access road to the substation.
- Construction of perimeter fencing.
330 kV Equipment
- Supply and installation of 2Nos 187.5MVA 330/132/33kV Transformer.
- Supply and installation of 1Nos 75MX 330kV Shunt reactor.
- Supply and installation of 2Nos 500kVA 33/0.415kV earthing transformer.
- Supply and installation of 3Nos Transformer Fire protection system.
- Supply and installation of 6 Nos 330kV Circuit breaker with complete support
- Supply and installation of 18Nos 330kV Capacitor voltage transformer
- Supply and installation of 39Nos 330kV Current transformer
· Supply and installation of 13Nos 330kV Disconnect switch with support structure.
· Supply and installation of 4Nos Disconnect with earthing switch complete with support
· Supply and installation of 15Nos 330kV Surge Arrester complete with support structure.
- Supply and installation of 4Nos 330kV Wave trap and LMU
- Supply and installation of 2No Neutral Current Transformer for Power Transformer
- Supply and installation of 2No Neutral Current Transformer for Earthing Transformer Neutral
- Supply and installation of rated Tubular conductor for the 330kV Bus bar extension.
- Supply of all necessary Gantries, steel structures for the Bus bar extension.
- Supply and installation of 2*1000 mm2 conductor for equipment connections.
- Supply and installation of high rated HV conductors, fittings and accessories
132kV Equipment
- Supply and installation of 9 Nos 132kV Circuit breaker with complete support
- Supply and installation of 24Nos 132kV Capacitor voltage transformer
- Supply and installation of 54Nos 132kV Current transformer
· Supply and installation of 18Nos 132kV Disconnect switch with support structure.
· Supply and installation of 6Nos Disconnect with earthing switch complete with support
· Supply and installation of 18Nos 132kV Surge Arrester complete with support structure.
- Supply and installation of 8Nos 132kV Wave trap and LMU
- Supply and installation of rated Tubular conductor for the 132kV Bus bar extension.
- Supply of all necessary Gantries, steel structures for the Bus bar extension.
- Supply and installation of 1*800 mm2 conductor for equipment connections.
- Supply and installation of high rated HV conductors, fittings and accessories
Control and protection panels
Supply and installation of Digital control system including BCU, Control and protections panels (lot) for:
Control panels for all circuit:
Supply and installation of one LOT of Control Panels for:
- 2Nos 187.5MVA 330/132/33 kV Power Transformers (Primary)
- 2Nos 187.5MVA 330/132/33 kV Power Transformers (Secondary).
- 1No 75MX 330kV Shunt Reactor
- 2x 330kV Line control panel
- 330kV Tie bay control panel
- 2x 132kV Line control panel
- 132kV Tie bay control panel
Protections panels:
- 2Nos 187.5MVA 330/132/33 kV Power Transformers -Primary
- 2Nos 187.5MVA 330/132/33 kV Power Transformers -Secondary.
- 1No 75MX 330kV Shunt Reactor
- 2x 330kV Line protection panel
- 330kV Tie bay protection panel
- 2x 132kV Line protection panel
- 132kV Tie bay protection panel
Supply and installation of AVR/ RTCC panels and also update the settings (lot) for:
- 2No Power Transformers (187.5MVA 330/132/33 kV).
- Provision of 330kV and 132 kV Bus bar protection.
Common Control Panels
- Supply and installation of bus bar protection and all common panels (fault locator, annunciator panel)
- Adaptation of SCADA and SAS equipment to the existing and the new systems.
Other equipment:
- Supply and installation of one LOT of Marshalling kiosks, VT and CT boxes: one for each feeder.
- Supply and installation of new necessary Control and Power Cables.
- Supply and installation of all necessary cables trays, earthing system.
Auxiliary system:
- Supply 2Nos of 110Vdc and 48Vdc battery bank each.
- Supply 2Nos of 110Vdc and 48Vdc battery charger
- Supply and installation of 2Nos AC distribution board and 2nos DC distribution board.
- Supply and installation of 100kWdiesel generator set.
Selectivity study and protection setting calculation:
The contractor should establish the selectivity study and protection setting calculations for all the new equipment.
Commissioning test and energizing of all equipment.
The contractor should perform commissioning and energizing of all new equipment.
1. The new facilities shall be adequately equipped with all necessary protection and control equipment. Protection and control equipment shall be mounted appropriately as well as the control kiosks (to be) installed in the switch room and the control room. Telemetering and command equipment shall be incorporated into the existing SCADA system.
Civil work:
- Carry out Soil investigation and earth works
- Construction of 187.5MVA Transformer plinths and provision of oil collection pit
- Demolition of the existing regional office and construction of new office complex.
- Construct new foundation for 2x 500kVA 33/0415kV Earthing Transformer
- Construction of equipment foundations for all new 330kV and 132kV
- Construction of 330kV &132kV Gantry foundations and support structures for the Bus.
- Construction of cable trench and covers.
- Construction water drainages and channels within and outside of the substation.
- Construction of internal, external road within the substation.
- Construction of Access road from the mains to link the substation
- Construction of lighting Poles and electrification of the entire substation.
- Gravelling of the new switch yard and re-gravelling the existing where necessary.
- Construction of new standard control room building.
- Construction of water borehole, underground, overhead tanks and other necessary facilities.
- Construction of twin 2-bed rooms and 3- bed rooms flats staff quarters.
Control Building:
Construct new control room building.
- Fixing of 330 and 132kV control and relay panels.
- Fixing of 132 and 33kV control and relay panels that would be relocated from the existing 132/33kV switchyard (160mtrs apart).
- Installation of the SCADA and communication equipment.
- Installation of Vdc and Vac, auxiliary and other equipment.
- EPC to make provision for frame and checker plate for new panel installation where necessary.
- Supply and installation of Air conditioner units
- Objective of Consultant’s Assignment
2.1 The objective of the Consultant’s assignment is to assist in the management and supervision of works required in the contracts implementation for the Rehabilitation & Reinforcement of 330/132kV and 132/33kV Transmission Substations (Package 3) under NTP-TR3 contracts.
Generally, the Consultant shall work hand in hand with the Employer’s Engineers in the execution of all aspects of the assignment. Certifications made on documents and drawings by the Consultant shall be endorsed by the Employer.
2.2 During the execution of this assignment, the Consultant will be required to make inputs from a broad field of expertise covering the following:
- Project Administration and Control
- Supervision of the Performance of the Contractors handling NTP-TR3 contracts.
- Supervision of installations up to commissioning and handing over of works under NTP-TR3 contracts.
- Training of TCN staff and transfer of technology.
2.3 The Consultant’s works shall be executed in accordance with requirements of the tender documents for Rehabilitation & Reinforcement of 330/132kV and 132/33kV Transmission Substations (Package 3) in NTP-TR3.
2.4 The Consultant will be required in the course of carrying out this assignment to coordinate and monitor all other project works associated with the contracts NTP-TR3 which shall be executed concurrently at the affected sites.
2.5 The Consultant shall perform his assignment until the end of defects liability period of twelve (12) months after the provisory take-over from the Contractors of the project works carried out under NTP-TR3 contracts.
- Scope of Assignment
The scope of works covered under NTP-TR3 contracts which is in two (2) Lots.
The Consultant’s assignments and responsibilities are as follows:
- Project Management and Supervision
The consultant shall:
- Manage overall liaison between the Employer and the Contractors
- Review and approve all the engineering drawings, diagrams and documents submitted for approvals on the Contracts for NTP-TR3 project works in accordance with contractual and engineering specifications
- Assist the Employer in any issues relating to contract, especially compliance with the matters with performance bond, insurance and claims; and to prepare certain documents that may be required by the World Bank.
- Lead progress and site meetings, prepare agendas and write minutes of meetings, periodical follow-up reports and take-over reports.
- To be in charge of follow-up, periodical updating and coordinate work schedules of the contractors handling other related projects in the twenty (20) substations.
- Prepare monthly, quarterly progress and project completion reports for the contracts in accordance with the World Bank requirements.
- Verify quantities of works performed and shall certify invoices issued by contractors in conjunction with the Employer’s Engineer on the project.
- Make sure that supplies and works planning comply with schedules in the Contract actual supply and work progress on site in accordance with contract Schedule and determine where necessary, suggest measures to be taken to speed up the works.
- Examine any change/deviation of specifications or variations in scope of work as stipulated in the tender documents which are proposed by the Contractors and make recommendations to the Employer for approval of the change of specifications and variation of scope with the resultant cost adjustment.
- Follow-up damage reports and ensures that damaged materials are subsequently replaced.
- Check and approve the Contractors quality assurance applied by all the contractors during works execution
- Monitor the implementation of social, environmental, health and safety standards and requirements as specified in the ESMPs, and RAPs, if applicable, and monitoring any instance of gender based violence, and reporting non-compliance to the owner and proposing mitigation measures
- Issue Provisional Acceptance Certificate after commissioning and the Final Acceptance Certificate after the expiration of the Guarantee Period.
- Technical Control of Designs
The Consultant will verify if calculations and hypotheses used, construction drawings, diagrams and documents submitted for his approval are worked out in accordance with contractual and engineering specifications. A special emphasis shall be put on the following tasks:
- Inspection of shipped materials before their use
- Verification of preliminary testing prior to formulation and utilization in works (concrete) proposed by the contractor
- Checking of the reinforced concrete and erection drawings
- Checking the final technical as-built documentation prepared by the Contractors.
- Receipt of the equipment in factory and supplies to site
The Consultant shall:
- Verify conformity of equipment with contract specifications
- Examine any change/deviation to the contract specifications that might be proposed by the Contractors
- Check and approve the Contractor’s Quality Assurance Plan
- Check and approve factory testing and inspection program in factory proposed by the Contractors/Suppliers
- Ensure that main equipment has undergone testing as requested in the Contract and that the Contractor submits test certificate to the Consultant for approval.
- Plan and supervise all Factory Acceptance Test (FAT) and all tests carried out by the Contractors at site and sign such test reports.
- Participate in “routine testing” for major equipment together with the Employer’s Engineer at the manufacturer’s works
- Regularly check the program for production and delivery to site of main equipment to ensure timely completion of the contract according to schedule.
- Review the operation and maintenance manuals provided
At the commencement of project, the Employer shall specify to the Consultant, list of the main materials that must be inspected by them in the factory together with the Employer’s Engineers.
- Pre-Commissioning Tests And Commissioning Upon Works
Completion
On works completion, the Consultant shall supervise the pre-commissioning tests and the final commissioning of all works. The Consultant shall be assisted by Employer’s Engineers.
The Consultant shall establish with each of the contractors and with approval of Employer, a commissioning and testing procedures for each of the concerned project defining:
- The role and the responsibility of each of contracting parties:
- Tests to be carried out for the projects
- The detailed program of the commissioning and testing of works in accordance with the contractor implementation program;
- The conditions of commissioning such as the state and the availability of the electric network, interface with other works in progress
- Environmental, health and safety standards and procedures to be adopted.
- Planning of outages required for pre-commissioning, spot checks and other site tests
During commissioning, the Consultant shall also:
- Co-ordinate all testing to be done by the contractors, approve the procedures and results announced;
- Ensure that the contractors conform to the quality and methodology requirement for the presentation of the commissioning test reports
- Approve the commissioning test report prepared by the contractors
- Ensure that the commissioning test report shall be signed jointly by the Consultant, the Client and the contractor
- Collect set of documents of the recorded commissioning test results.
- Issue Interim Work Completion Certificate for the project works carried out under NTP-TR3 Contracts.
After completion of commissioning works, the Consultant shall have to:
- Verify and approve the “as built” drawings provided by the contractors
- Examine and confirm adequacy of the operating and maintenance manuals provided by the contractors.
- Issue Final Work Completion Certificate for the project works carried out under NTP-TR3 Contracts.
3.5 Transfer of Know-How
The transfer of know-how shall be carried out at different levels, e.g.:
- Transfer of know-how through the work on site of Employer’s engineers working with the Consultant’s experts.
- Transfer of know-how by means of training sessions or lectures conducted ;
- In Nigeria, by the Consultant's engineers on site that would ensure active participation of TCN engineer’s throughout the duration of the project assignment.
- A well-organized one (1) week Class Room Training of twenty (20) Employer’s staff on all aspects of Project Management and Contract Administration
3.6 Defects Liability Period (DLP)
The Defect Liability Period (DLP) is planned to be twelve (12) months after provisory take-over. During this period, the Consultant shall from his head office answer questions via e-mail and fax correspondence from home office.
By the end of the DLP the Consultant and his specialists shall be present for the final take-over of the completed project works carried out under NTP-TR3 Contracts separately. The Consultant shall be consulted on matters related to the execution of the two contracts throughout the DLP.
4.0 Requirements for the Firm
The firm is required to possess the following:
- The Firm’s general experience and overall competence, including relevance of the applicant firm’s area of core business to the assignment envisaged;
- Firm’s good reputation, strong institutional capacity and capability in terms of technical, managerial, expertise, quality management system, number of technical staff and financial soundness etc.
- The extent of specific experience in assignments of similar nature and complexity in construction management and supervision of substations (132/33 kVs and above), including review of design, supervision of EPC contractor's quality, schedule, environmental, safety and health compliance, verification of equipment quality, certification of variation orders etc. (relevant completion certificates and/or letters of recommendations from former clients to be provided if available);
- The extent of specific experience in assignments of similar nature and complexity in construction management and supervision of substations in sub-Africa region would be a plus.
- Evidence and certification of quality and environmental management
5.0 Requirements of Key Personnel.
(I) The Project Manager shall be an electrical engineer with at least 15 years’ experience in substation works. He should have carried out projects in the past, similar in nature and complexity to the one he will be in charge of, under this contract assignment.
(II) Substation Specialist: Shall be an Electrical Engineer with at least 10 years’ experience in substation turnkey installations for similar project in nature and complexity.
(III) SCADA / Communication Engineer. Shall be an Electrical Engineer with at least 10 years’ experience in substation turnkey installations for similar project in nature and complexity.
5.1 Key Staff
- Project Manager (Electrical Engineer)
Must have the following:
- a minimum of 15 years general experience in substation works,
- MSc. degree
- a minimum of 10 years documentary experience in successful project management and contract supervision of similar nature in developing countries
- Must be present in Nigeria at all times for the duration of the project duration, unless otherwise explicitly agreed .
- Substation Specialist (Electrical Engineer)
- Must have the following:
Minimum of 10 years experience in the construction and/ or supervision of turnkey substation project of similar nature
- Must be present in Nigeria at all times for the duration of the project duration, unless otherwise explicitly agreed
- SCADA / Communication Engineer – 1No.
- Must have the following:
Minimum of 10 years experience in the construction and/ or supervision of turnkey substation project of similar nature
- Must be present in Nigeria at all times for the duration of the project duration, unless otherwise explicitly agreed
- Key Staff (Local)
- Site Electrical Engineer (Local engineer)
- Site Civil Engineer (Local engineer)
- Health and Safety/Environmental Specialist
- Planning/Contract Manager (Supervisor)
Above mentioned key staff must all have a minimum of 10 years’ experience in the construction and/ or supervision of turnkey substation project of similar nature.
The Consultant shall provide experienced personnel to carry out the assignment throughout the duration of the project management services in accordance with task/requirement of the project.
These personnel shall be supported by other experts on call (who shall visit the sites as need be).
At his head office, the Consultant must have a team of specialists, especially in substation projects. Head office team shall permanently assist the personnel on site.
6.0 Reports and Time Schedule
The Consultant shall be required to submit project monthly, quarterly and completion reports for works carried out under NTP-TR3 Contracts in accordance with time schedules.
6.1 Project Monthly Report
The Consultant shall send monthly report for each of the contracts to the Employer on progress of work, including minutes of meetings if the regular site meetings were held for the projects. This report shall be issued in five (5) copies with one (1) electronic copy.
6.2 Quarterly Progress Report
The Consultant shall send a quarterly report for the projects on progress of works including the technical execution of the project; and on the implementation of the environmental measures, the effectiveness and the response of the measures adopted and proposals to amend same if the environmental measures implemented are not given desired results.
The Consultant shall include also in the quarterly progress report, financial reports on expenditure & payments made to contractors.
This report will be issued in five (5) copies with one (1) electronic copy.
6.3 Project Completion Report for NTP-TR3
The Consultant shall prepare a draft Project Completion Report not later than two (2) months after completion of the contracts works. This report shall include technical and financial aspects and shall be provided first in six (6) copies with soft copies. The Consultant shall submit for approval to the Employer the texture of this report. The Employer shall then use one month to make observations which will be incorporated into the draft report before a final version is issued in ten (10) copies together with electronic copies.
After the end of the Defects Liability Period, and after final take-over, the consultant shall update the Project Completion report that shall become the Final Completion Report which shall be provided in Six (6) copies with electronic copies.
7.0 Deadline and Local Services
The works required to be carried out under NTP-TR3 Contracts until provisory take-over is estimated to be twenty four (24) months for the contracts. The Defects Liability Period shall last for twelve (12) months for the contracts after which the Consultant’s services shall be due for completion.
8.0 Facilities to Be Provided By the Consultant
8.1 Office and Residential Accommodation
The Consultant shall be responsible for the provision of both office and residential accommodation for their staff.
8.2 Transportation
The consultant shall be responsible for their transportation during the course of the project.
9.0 Facilities to Be Provided By Employer
The following shall be provided by the Employer to the Consultant:
- Site offices.
- Drawings and documents, such as previous studies, design reports, design calculations, network calculations, etc established by TCN, the Supplier or other Consultants, prior to commencement of the Consultant's works which may be required for the performance of the services if available.
- Assistance in obtaining permission, licenses for telephones, working permits, residence visas, re-entry and exit visas for the Consultant’s staff and families respectively.
- Assistance in facilitating and expediting customs procedures in connection with importation of equipment and materials necessary for the Consultant's services and for the house-hold of the Consultant's key staff and families.
10.0 Effort Level
The expected effort level required for the assignment is 198 man months
Engr. Dahiru A. I
"Our major drive is to key into the change mantra of Mr. President's in ensuring that the power sector can deliver quality and uninterrupted power supply to citizens of the country"
- the Project Manager TCN-PMU
