Lesedi Nuclear Services - nuclear

By: Lesedi Nuclear Services  11-11-2011
Keywords: Engineering Services, Feasibility Studies

Our multi-disciplinary engineering services offering covers four functional areas:


Feasibility studies and input data.

  • Process engineering, sizing of systems
  • Seismic analysis
  • Thermo-hydraulics
  • Fluid dynamics
  • Isometrics
  • General arrangements
  • Fabrication drawing and documentation
  • Failure modes and effects analysis/hazards (FMEA)
  • Finite element analysis (FEA)
  • Koeberg NPS specific processes
  • Generation of technical and procurement specifications
  • Special tools requirements
  • Maintenance tooling and materials handling
  • Isolation planning
  • Operability and maintainability studies
  • Industrial and nuclear safety risk assessments
  • PSA studies (probabilistic risk assessment)
  • Electrical reticulation (up to 6,6 kV)
  • Cabling and wiring studies
  • Control systems (analogue and digital)
  • Instrumentation (flow; pressure; temperature)
  • Koeberg NPS - specific processes
  • FMEA - procurement specification
  • Documentation - a complete range from synthesis to support documentation
  • Preparation, compilation and administration; transmittal recordal
  • RP spectrum analysis of activities (including ACARA)
  • Work planning (activity sequencing, interfaces, overseeing
  • Site Implementation Files (SIF's)
    • Documentation configuration and control
    • Work planning
    • Installation specifications
    • Quality Control Plan (QCP)
  • Test and Commissioning procedures
  • Safety analysis and reporting
  • Licensing
  • Design reports


Mechanical, electrical, instrumentation and control projects.

  • Procurement, subcontractor orders
  • Materials receipt and inspection
  • Integration
  • Perform work including on job supervision
  • Quality Control
  • Verification
  • End of work testing and end of intervention report (EIR)
  • Plant commissioning (start-up, testing, components, integration, training materials)
  • Return to service and certification


Operational inputs to design, report, test and commissioning, procedures and execution, plant isolation.

  • Operating procedures (compilation, documentation and review)
  • Operator training
  • Isolation planning
  • Commissioning
  • Static
  • Dynamic
  • Operations support

Technical Support

  • IT systems
  • Central planning and administration
  • Performance measurement
  • Procurement
  • Tender accountability
  • Documentation

Keywords: Engineering Services, Feasibility Studies

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Lesedi Nuclear Services

Lesedi Nuclear Services provides integrated engineering solutions for all phases of a project, from initial design data and feasibility studies, through conceptual and detailed design to planning, construction, start-up and commissioning, handover and operational support. Our product and services philosophy is developed and overseen by Lesedi's project director, Horst Lakemeier.


Lesedi Nuclear Services - fabrication

The unit's positioning is premised on the delivery of Quality Products, through a highly skilled workforce, coupled with stringent quality control procedures, which complements the organisations already well integrated Quality Management System.