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Manager Process

Larsen & Toubro · Riyadh

Riyadh · On-siteFull-TimePosted Sep 3, 2026

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Job description

Responsible for reviewing, developing and approving the overall treatment process design, including:

  • Review of Employer's Requirements, Technical Specifications, Contract documents and Design Basis.
  • Establishment and review of the Process Design Basis (PDB).
  • Development/review of:
  • Process Flow Diagrams (PFDs)
  • Process & Instrumentation Diagrams (P&IDs)
  • Mass Balance
  • Water Balance
  • Hydraulic Profile
  • Chemical Balance
  • Process calculations
  • Equipment sizing calculations
  • Tank sizing
  • Pump sizing and duty calculations
  • Membrane system calculations
  • Chemical dosing calculations
  • Sludge generation calculations
  • Air requirement calculations
  • Energy consumption calculations
  • Define process design criteria for each treatment unit.
  • Review process guarantees and performance requirements.
  • Ensure process design is consistent with applicable standards and regulations.

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