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Kenneth W. Coryell, PE, SCWI
The Updated CWI Practical Exam
February 8, 2017
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Overview
• Introduction• Book of Specifications• Book of Exhibits• Test Specimens• Tool Kit
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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
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Kenneth W. Coryell, PE, SCWI
Book of Specifications
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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
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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
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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
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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.
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Book of SpecificationsPublicly 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
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Kenneth W. Coryell, PE, SCWI
Book of Exhibits(Corresponds to April 3, 2016 version)
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Book of Exhibits
Not available to candidates before exam• WPSs• PQRs• WQTRs• Photos of NDT Methods
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Kenneth W. Coryell, PE, SCWI
Butt Joint Groove Welds
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Groove Weld
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Groove Weld
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Groove Weld
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Groove Weld
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Groove Weld Plate 2 Top
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Groove Weld
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Kenneth W. Coryell, PE, SCWI
T-Joint/Lap Joint
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T-Joint/Lap Joint
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Lap Joint
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T-Joint/Lap Joint
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Lap Joint/Intermittent Fillet
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T-Joint Surface Roughness
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Kenneth W. Coryell, PE, SCWI
Pipe Joint
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Pipe Joint
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Pipe Joint
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Pipe Joint
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Pipe Joint
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Pipe Joint
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Pipe Joint
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Kenneth W. Coryell, PE, SCWI
Bend Specimens
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Bend Test Replica
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Kenneth W. Coryell, PE, SCWI
Tool Kit
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6 Inch Machinist’s Rule 1/64” Scale
Note: Contains both fractions and decimals
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Dial Caliper
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V-WAC Gage
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Fillet Weld Gage
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Hi-Lo Gage
• Measures internal misalignment of pipe.
• Measures root opening.Retaining Screw
Legs ( Wires )
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Roughness Comparator
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Flashlight & Mirror
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Magnifier
2” Diameter, 6.5 Diopter
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Protractor
Measure edge preparations for compliance with WPS.
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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
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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.
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Questions?