Project Synopsis

Provide a variety of on-site and remote process engineering support to the operations contractor currently managing an accelerator-based research facility in the U.S., the Spallation Neutron Source (SNS).

Project Summary

Process Engineering Associates, LLC (PROCESS) was contracted by the operations contractor currently managing an accelerator-based research neutron source facility in the U.S., the Spallation Neutron Source (SNS), to provide process engineering technical consulting support services to SNS RAD Target & Mechanical Systems Section that included the following major work categories:

  • Development of piping and instrument diagrams (P&IDs) and process flow diagrams (PFDs) in AutoCAD format for new and existing Target and Accelerator water loops, ventilation systems, and Beam Line Instrument process systems using CHEMCAD hydraulic modeling software to calculate mass and heat transfer and phase equilibrium as required
  • Documentation of new and existing system design bases in a manner consistent with that used for the First Target Station utility systems
  • Hydraulic modeling of new and existing Accelerator and Target systems to identify means to improve hydraulic performance and incorporate new loads
  • Chemical engineering support for the design and evaluation of complex process systems
  • Technical support to operations of Target, Accelerator and Instrument Beam Line process systems which included calculations, interpretation of operating data, and development of operating, testing, and alarm response procedures.
  • Characterization and analysis of the SNS technical component water systems to define improvements required to support all users.
  • Technical support to installation, test and checkout of upgrades to the Target, Accelerator and Beam Line Instrument systems and utilities.
  • Process design support for upgrades and additions to Target, Accelerator and Beam Line Instrument systems and utilities that may include development of equipment technical specifications and data sheets for procurement.

Deliverables included:

  • Development of the design criteria and design basis documents and preliminary layout drawings for the Sensible Chilled Water distribution system
  • Development of reports to document proposed changes to the (deuterium oxide) D2O processing skid and for efforts to utilize the skid for a water cooling loop
  • Provided technical support for an effort to utilize the D2O processing skid for the COHERENT Project.
  • Developed a design basis document, PFDs, preliminary P&IDs and preliminary equipment list for gas recombination and recycle
  • Prepared operating, testing, alarm response procedures, and test reports for the Proton Power Upgrade Support effort
  • Witnessed and prepared a report on the PPU mol sieve factory acceptance test
  • Provided operations support for target systems accelerator and instrument beam line
  • Facilitation and participation in Heavy Water Recombination Project HAZOP.

Industry Type

Fundamental Physics Research

Utilized Skills

  • Process design documentation development
  • Systems hydraulic modeling
  • Process technical evaluations
  • Commissioning and startup support
  • Process procedures development.

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