CLIENT REQUIREMENT

Function as the contractor’s designer in an EPC environment.

PROJECT SCOPE

The electrification, traction and distribution power supplies, signalling and telecommunications systems to be designed and constructed on a newly built 67km private siding link between the Transnet coal line at Ermelo (Nooitgedacht) and the ESKOM Majuba power station.

SOLUTION

The designs, contractor’s shop drawings reviews, FAT inspections, quality assurance inspections and commission were undertaken for:

Part 1: Overhead Track Equipment (OHTE)

  • 3kV DC spring tensioned – fixed cantilever type
  • 25kV AC auto tensioned – swing cantilever type on concrete masts
  • Provision of a new “On the Fly” Voltage Separation system between the DC and AC networks
  • 11kV AC transmission line

Part 2: Traction Substations and Distribution Power Supply Substation

  • 2 x Single unit and 2 x double unit 88kV/25kV AC single phase traction substations
  • 88kV AC/3kV DC traction substation
  • 88kV / 11kV AC Signal Power Supply distribution substation

Part 3: 88kV Switching Stations

  • 5 x 88kV transmission line switching stations in association with Thabile Engineering

Part 4: Train Control Equipment

  • Signalling
  • Telecommunications and Optic Fibre
  • Condition Assessment Systems (CAS)
  • Relay and Apparatus Rooms