PROJECT DESCRIPTION


Contract No. (Entel’s internal designation):

518-EN/01

Contract No. (Client’s designation)

Client:

Energoprojekt - Oprema a.d.

Address and contact information:

Mihaila Pupina 12
11070 Novi Beograd
(381) 11 3101700
(contact person:Pavle Tomaševic)

Object:

Substation 330/132/33kV

Country / Object Location:

Nigeria, Abuja

Subject of the contract:

Detail Design for:

  1. S/S 2x150MVA, 330/132 kV Katampe Abuja
  2. S/S 2x60MVA, 132/33 kV Katampe Abuja
  3. S/S 2x60MVA, 132/33 kV (GIS) Central Area Abuja
  4. 132 kV Connection Katampe-Central Area (underground cable and OHL)

Scope of works:

Detail electrical design of the three S/S, including 132 kV and 33 kV switchyards, power transformers, S/S auxiliary consumption, outdoor lighting, S/S earthing and building services.

Detail electrical design of the132 kV Overhead Line and 132 kV Underground cable.

Detail civil design of the three S/S including: S/S building, fire fighting building, guard house, diesel building, internal roads, boundary walls, switchgear (Gantry foundations, equipment foundations, lighting foundations, transformer foundations as well as underground utilities).

Detail civil design of 132 kV Overhead Line, 132 kV cable Compound, 132 kV Underground cable, with all underground utilities (joint bays, drown pits) and supporting bridges.

Project duration

From:2001-02-01

To:    2001-12-01

Project Description

Substation 330/132kV Katampe

  • Substation: total area 47.282 m2
  • Control Building: one story building with total gross floor area 360 m2.
  • Building facilities: 330 kV Switchgear room, Control room, Communication rooms, Battery room, Office, Store, Sanitary facilities and Passage.
  • Switchyard – 330kV and 132kV

Substation 132/33kV Katampe
  • Substation: total area 22.750 m2
  • Control Building: one story building with total gross floor area 340 m2.
  • Building facilities: Control room, Communication rooms, Battery room, Office, Store, Sanitary facilities and Passage.
  • Switchyard –132kV and 33kV

Substation Central Area 132/33 kV (GIS)
  • Substation: total area 2970 m2
  • Control Building: one story building with total gross floor area 592 m2.
  • Building facilities: Control room, Communication rooms, Battery room, Office, Store, Sanitary facilities and Passage.
  • Switchgear Building: ground floor level and 360.00 m2 at basement floor level.
  • Building facilities: 132kV Gas Insulated Switchgear, 33kV Metal Clad Switchgear and 132/33kV Basement.
  • Switchyard –33kV

132 kV Connection Katampe-Central Area

OHL connecting
The line route is parallel and on the distance of 25 m with existing 132kV Double Circuit OHL Suleja – Garki.
  • Rated voltage: 132 kV
  • Number of circuits: two
  • Number of conductors per phase: one
  • Number of earth wires: two
  • Route length: 5.1 km

Cable Compound
Constructed to enable connection of 2x132 kV OHL into 2x132 kV cable line (two circuit).

Cable line 132kV
2x132kV Cable line is built to establish power connection between the new 132kV Cable Compound and 132kV SF6 GIS inside the 132/33kV Central Area S/S. In this part Power Cables 132kV and Fibre Optic Cable are laid together in same trench.
  • Rated voltage: 132 kV
  • Number of circuits: two
  • Route length: 4125m
  • Cable type: 132kV XLPE Cable, 400mm˛

Copper conductor
  • Cable per circuit: one
  • Cable per phase: one
  • Fibre Optic Cable type: A-DF(ZN)2Y 6x4 E9/125
  • Number of optic wire: 24
  • Laying depth in ground for 132kV cable: 1.10m
  • Laying depth in ground for Fibre optic cable: 0.75m
  • 132kV Cable arrangement formation: trefoil






Figure 1-2: NIGERIA, ABUJA, KATAMPE S/S 330/123 kV





Figure 3-4: NIGERIJA, ABUJA, CENTRAL AREA 132/33 kV (GIS)