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  Desalination Plants - Process

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Determination of job profile for the mechanical erection or commissioning, process engineer or technician

Example Commissioning

Preparation

  • System check, walk down of system, comparison of PID (as built from erection) and field installations, check of cleanliness, accessibility and labeling
  • Check and preparation of commissioning documentation
  • Formal taking over from erection (transfer of liability) including the clear definition of boundaries, labeling of boundary limits and safe isolation, separation or closing of branches to connected systems that are not taken over yet
  • Preparation for first filling and flushing
  • Check installation and alignment of rotating machinery like pumps, fans,...
  • Coordination with electrical and DCS teams and definition of priorities
  • Ensure safe communication from field to switch gears and control room
  • else

Commissioning of components

  • First filling of vessels, pipes and equipment
  • Check of supports and hangers
  • Commissioning of skids like band screen filters, raw water pumps, steam reducing station, recirculation, dosing units,...
  • Commissioning of pumps, fans, evacuation system,...
  • Signal check with switch gears (emergency stop) and control system/ control room indications
  • else


System commissioning

  • Mechanical cleaning or steam blow out of pipe(s)
  • Filling of system and preparation for first start up
  • System start up and functional tests together with DCS
  • Dependent on kind of plant vacuum decay test and search for leaks
  • Test of all protection features, automatic change over, alarm annunciation
  • Start up of systems one by one to have the whole plant in operation
  • System tuning and optimization for normal operation and in case of disturbances
  • Verification of output and water quality against design values
  • Documentation of results
  • else
Read more: Operation
 
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    Cosinus phi consult GmbH has provided engineers and senior staff for the erection and commissioning of industrial plants for years.
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