Although the procedure for obtaining an American Society of Mechanical Engineers (ASME) Code Nuclear Certificate of Authorization has changed little since 1974, much of the process is not fully understood by designers and manufacturers of pressure equipment. It is the intent of this paper to make this process easier to understand and explain the key process steps in order to avoid unnecessary delays. The discussion will cover a number of topics including: “Contracting with an Authorized Inspection Agency,” “Deciding the Type of Certificate to Pursue. “Quality Assurance Program Preparation,” “Design Considerations,” “Preparing Welding and Non-Destructive Examination Documents,” “Training,” and “The Survey.” The requirements for obtaining one of the various ASME Certificates of Authorization are somewhat different for each. This paper focuses on an N-type Certificate and is intended to be a high level examination of the requirements and typical pitfalls in obtaining that certificate.

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