Lead Process Design Engineer Ghobash Group

4.1 Process Technical Authority (Owner s Engineer Role)

• Act as Lead Process Authority for:
  • IA/PA system design
  • Compressor process sizing
  • Air quality & reliability requirements
• Enforce compliance with:
  • ADNOC CoPs
  • API / ISO compressor & air treatment standards
• Provide final technical approval on all process design deliverables

4.2 Air Compressor & IA/PA System Process Design

• Perform and review:
  • Compressor sizing calculations
  • Air demand balance & peak load assessment
  • System pressure drop calculations
  • Turndown & redundancy philosophy (N+1)
• Validate:
  • IA vs PA segregation
  • Dryer sizing & moisture removal efficiency
  • Air quality class suitability for instruments

4.3 Brownfield Integration & Offshore Feasibility

• Lead process engineering for:
  • Tie-ins to live IA/PA headers
  • Shutdown & operational constraints
  • Temporary air supply philosophy during changeover
• Review:
  • Laser scan & as-built data
  • Brownfield modification method statements
• Support:
  • SIMOPS planning & execution

4.4 Process Safeguarding, PSV & Safety Studies

• Lead process input for:
  • HAZID / HAZOP / ENVID
  • Relieving scenarios & PSV sizing
  • Blowdown & vent routing philosophy
• Ensure:
  • All safeguarding recommendations are implemented in P&IDs & control logic

4.5 Interfaces with Other Disciplines

• Coordinate closely with:
  • Rotating (compressors, performance)
  • Piping (headers, drops, pressure classes)
  • Static (air receivers, dryers)
  • Electrical (motor power demand)
  • I&C (control logic & interlocks)

4.6 Construction & Commissioning Support

• Support:
  • Pre-commissioning of IA/PA systems
  • Dryer changeover & air quality verification
  • Performance testing of compressors & dryers
• Provide process acceptance for RFSU

5. ADNOC-SPECIFIC OFFSHORE SAFETY RESPONSIBILITIES

• Enforce:
  • ADNOC PTW requirements
  • SIMOPS safety for live system tie-ins
  • Overpressure and stored energy hazard control
• Ensure:
  • Emergency blow-off and venting are compliant

6. SIMPLE DOCUMENTATION & REPORTING

• Maintain key process discipline registers, including:
  • Process Equipment List
  • Compressor & IA/PA Calculation Register
  • P&ID Register
  • TQ & Deviation Log
• Review and approve:
  • Process datasheets
  • P&IDs
  • Cause & Effect diagrams (interface)
  • PSV sizing and safeguarding documents

Ensure compliance with:

• • ADNOC Document Numbering System
  • Project Master Document Register (MDR)

Prepare and submit:

• • Weekly Process Engineering Progress Reports
  • Monthly Discipline Summary Reports

Verify and approve as-built process documentation for:

• • Mechanical Completion (MC)
  • Ready for Commissioning (RFC)
  • Ready for Start-Up (RFSU)