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ARC WELDING INSPECTION AND QUALITY CONTROL

ARC WELDING INSPECTION AND QUALITY CONTROL. MODULE CODE IWLD209. GENERAL INFORMATION. WHO IS THE WELDING INSPECTOR? A RESPONSIBLE PERSON WHO – a. Determine weld quality to specification.

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ARC WELDING INSPECTION AND QUALITY CONTROL

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  1. ARC WELDING INSPECTION AND QUALITY CONTROL MODULE CODE IWLD209

  2. GENERAL INFORMATION • WHO IS THE WELDING INSPECTOR? A RESPONSIBLE PERSON WHO – a. Determine weld quality to specification. b. maybe an Overseer of others- may not perform actual inspection. Responsible for the overall inspection operation. Keep records. c. maybe a Test Specialist - perform inspection process. May or may not work under over seer. d. or a combination of the above • DUTIES OF THE WELDING INSPECTOR A. To be familiar with: 1. welding processes 2. terms and definitions 3. math and metric conversions 4. metallurgy 5. welding and NDT symbols

  3. DUTIES OF THE WELDING INSPECTOR • B. Have the knowledge of: • 1. drawings • 2. codes, standards and specifications • 3. procedures and welders qualifications • 4. destructive testing methods • 5. non destructive testing methods • C. Have the skills to: • 1. Find and identify weldment discontinuities and defects • 2. Use inspection tools and gages to perform Visual Inspection.

  4. D. Demonstrated the following abilities: 1. Keep good records 2. Be in good physical condition 3. have a good vision, near vision 4. take a color perception test E. Demonstrate a Professional Attitude 1. Fair 2. Impartial 3. Consistent 4. Commitment F. Meet and follow requirements of AWS QC1-96 G. Demonstrate the following ethical requirements 1. Common sense 2. Honesty 3. Integrity

  5. III. PUBLIC STATEMENTS A. Avoid if possible B. Never for personal publicity C. Get legal advise IV. COMMUNICATION A. A Good communicator SPEAKS WRITES ACTS DRAWS WELDS MESSAGE SENDER LISTENS READS OBSERVES INFERS INSPECTS RECEIVER FEEDBACK RESPONSE TO SENDER

  6. B.LINES OF COMMUNICATION FOREMAN SUPERVISOR DESIGN/PROJECT ENGINEER SUPERINTENDENT WELDING ENGINEER WELDER REPORTING SUPERVISOR PLANT MANAGER

  7. WELD QUALITY ASSURANCE - is defined as the plan or systematic actions which provides adequate confidence that a product or service will satisfy give needs of service requirements. WELD QUALITY CONTROL - is defined as the operational techniques and activities which sustain the quality of the product or service to meet service requirements.

  8. NDE PERSONNEL A. The welding inspector must have: 1. knowledge of NDE methods 2. knowledge of NDE certifications a. ASNT b. AWS VI. EXPERIENCE REQUIRED A. SENIOR CERTIFIED WELDING INSPECTOR 1. 15 years minimum 2. 6 years as CWI B. CERTIFIED WELDING INSPECTOR 1. 5 years minimum C. CERTIFIED ASSOCIATE WELDING INSPECTOR 1. 2 years

  9. VII. CWI EXAM A. Fundamentals – 2 hrs 1. 150 questions 2. closed books B. Practical – 2 hrs 1. 46 questions 2. measurement calculations C. Codes – 2 hrs 1. 46 questions 2. open book

  10. VIII. CODE OPTIONS FOR CWI EXAM A. AWS D1.1 --- code for structural - 1998, 2000 or 2002 edition B. AWS D1.5 --- code for bridges - 1995 or 1998 edition C. AWS D15.1 --- code for railroad - 1993 edition D. API 1104 – code for pipeline • EXAMS SUCCESS A. Must pass all three parts with: 1. Fundamentals – 108 out of 150 questions 2. Practical – 33 out of 46 questions 3. Code – 33 out of 46 questions

  11. CERTIFIED WELDING EDUCATOR A. must apply for CWE B. Pass Part of A of the CWI Exam C. Pass Part B of the CWI Exam D. Shall have a valid welder qualification E. Shall furnace evidence of having met the instructional requirements of your school in the form of 1. written evaluation 2. recommendation for CWE by your administrator CWI and CWE renewal A. CWI every 3 years 1. 9 years re-certification 2. re-test on part B B. CWE every 4 years

  12. ETHICAL REQUIREMENTS • INTEGRITY – responsible person with good character and common sense. Must be honest. • RESPONSIBLE TO THE PUBLIC – perform duties of weld inspection in a conscientious manner with well being of public in mind. • KNOWLEDGE OF WELDING – know what defects are most likely to occur. Know and monitor welding variables. • KNOWLEDGE OF DRAWINGS, SPECIFICATIONS, AND PROCEDURE – must be able to read blueprints, NDT and welding symbols. Familiar with procedures to inspection. • KNOWLEDGE OF TESTING METHODS – should be capable of performing a variety of inspections using different methods. • RECORDS – clear and concise records must be maintained. Good records help protect inspector. • EDUCATION AND TRAINING – requirements will vary. The more diversified the job the more training that is needed.

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