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Coryel_AWS_CWI_ Exam.pdf

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Coryel_AWS_CWI_ Exam.pdf

  1. 1. Kenneth W. Coryell, PE, SCWI The Updated CWI Practical Exam February 8, 2017
  2. 2. Overview • Introduction • Book of Specifications • Book of Exhibits • Test Specimens • Tool Kit
  3. 3. Introduction • 4 years in development • CWI job task analysis • Updated ANSI/AWS B5.1 • Earlier exam had gaps – Edge Preparation – Fit up – In process monitoring – WPS,PQR, and WQTR review
  4. 4. Kenneth W. Coryell, PE, SCWI Book of Specifications
  5. 5. Book of Specifications • Earlier BoS was mostly collection of tables. • Based mostly on D1.1 • CWI’s work in many industry sectors • New BoS contains multiple industry sectors
  6. 6. Structure of New BoS • 6 Clauses plus Normative and Informative Annexes • Clause 1.0 – General – Standard tolerances • Clause 2.0 – Structural Steel – Workmanship/Visual Inspection Criteria – Based on AWS D1.1
  7. 7. Structure of New BoS • Clause 3.0 – Pipeline – Workmanship/Visual Inspection Criteria – Based on API 1104 • Clause 4.0 – Pressure Piping – Workmanship/Visual Inspection Criteria – Based on ASME B31.1 • Clause 5.0 – Procedure Qualification – WPS/PQR Qualification Variables – Qualification Testing Requirements – Based on AWS B2.1
  8. 8. Structure of New BoS • Clause 6.0 – Performance Qualification – Performance Qualification Variables – Qualification Testing Requirements – Based on AWS B2.1 • Normative Annexes – Contain needed info and requirements – M-Numbers, F-Numbers, A-Numbers, etc. • Informative Annexes – Contain useful information – Formulas, Pipe schedules, Abbreviations, etc.
  9. 9. Book of Specifications Publicly available at AWS website (AWS.org) Log in and search “Book of Specifications” or http://aws.org/library/doclib/CWI-Book-of- Specifications-2016.pdf
  10. 10. Kenneth W. Coryell, PE, SCWI Book of Exhibits (Corresponds to April 3, 2016 version)
  11. 11. Book of Exhibits Not available to candidates before exam • WPSs • PQRs • WQTRs • Photos of NDT Methods
  12. 12. Kenneth W. Coryell, PE, SCWI Butt Joint Groove Welds
  13. 13. Groove Weld
  14. 14. Groove Weld
  15. 15. Groove Weld
  16. 16. Groove Weld
  17. 17. Groove Weld Plate 2 Top
  18. 18. Groove Weld
  19. 19. Kenneth W. Coryell, PE, SCWI T-Joint/Lap Joint
  20. 20. T-Joint/Lap Joint
  21. 21. Lap Joint
  22. 22. T-Joint/Lap Joint
  23. 23. Lap Joint/Intermittent Fillet
  24. 24. T-Joint Surface Roughness
  25. 25. Kenneth W. Coryell, PE, SCWI Pipe Joint
  26. 26. Pipe Joint
  27. 27. Pipe Joint
  28. 28. Pipe Joint
  29. 29. Pipe Joint
  30. 30. Pipe Joint
  31. 31. Pipe Joint
  32. 32. Kenneth W. Coryell, PE, SCWI Bend Specimens
  33. 33. Bend Test Replica
  34. 34. Kenneth W. Coryell, PE, SCWI Tool Kit
  35. 35. 6 Inch Machinist’s Rule 1/64” Scale Note: Contains both fractions and decimals
  36. 36. Dial Caliper
  37. 37. V-WAC Gage
  38. 38. Fillet Weld Gage
  39. 39. Hi-Lo Gage • Measures internal misalignment of pipe. • Measures root opening. Retaining Screw Legs ( Wires )
  40. 40. Roughness Comparator
  41. 41. Flashlight & Mirror
  42. 42. Magnifier 2” Diameter, 6.5 Diopter
  43. 43. Protractor Measure edge preparations for compliance with WPS.
  44. 44. Exam Development • Questions written • Numerous beta exams • Questions revised and retested • Data collected and psychometrically analyzed to ensure exam fair and valid prior to launch
  45. 45. Future Plans • A metric version of the practical is scheduled to be launched in July 2017 for non-domestic exams. • Book of Specifications, Book of Exhibits, Tool Kit, question bank have all been converted.
  46. 46. Questions?

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