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Rules for the Assessment of Pressure Vessel Designers (2007), National Technical Committee for Standardization of Boilers and Pressure Vessels, March 10, 2007. Table of Contents: Chapter 1 General Provisions………………………………………………………………………1 Chapter 2 Eligibility Requirements…………………………………………………………………2 Chapter 3 Procedures for Organizing the Assessment……………………………………………………………4 Chapter 4 Assessment Methods and Content…………………………………………………………4 Chapter 5 Supervision and Management…………………………………………………………………6 Chapter 6 Supplementary Provisions………………………………………………………………………7 Chapter 1 General Provisions Article 1 These rules are formulated to comprehensively improve the professional competence of pressure vessel designers, ensure the quality of pressure vessel design, and guarantee the safe operation of such vessels. These rules are formulated in accordance with the **Rules for the Qualification Licensing and Management of Design Units for Pressure Vessels and Pressure Pipelines** issued by the Bureau of Safety Supervision for Boilers and Pressure Vessels under the General Administration of Quality Supervision, Inspection and Quarantine (hereinafter referred to as the Rules). Article 3 These rules apply to the assessment of personnel engaged in the design approval (including review and verification) of pressure vessels of categories A, C, D, and SAD, as well as those responsible for the analytical design of SAD category pressure vessels. Article 4: All personnel engaged in the design approval of pressure vessels (including reviewers and approvers) as well as those involved in the analytical design of SAD-class pressure vessels must undergo qualification assessments in accordance with these rules and obtain the corresponding level of qualification certificates. Article 5 The design categories and grades of pressure vessels are classified as follows: Category A 1. Grade A1 refers to 2. Ultra-high pressure vessels and high pressure vessels (the structural forms mainly include single-layer, seamless, forged-welded, multi-layer wrapped, band-wound, heat-sleeved, plate-wound, etc.) ； 3. Class A2 refers to 4. Category III low and medium pressure vessels ； 5. Class A3 refers to 6. Spherical storage tanks ； 7. Class A4 refers to 8. Non-metallic pressure vessels. Class C 9. Grade C1 refers to 10. Railway tank cars ； 11. Grade C2 refers to 12. Road tankers or long-tube trailers ； 13. Grade C3 refers to 14. Tank containers. Class D 15. Grade D1 refers to 16. Class I pressure vessels ； 17. Class D2 refers to 18. Low- and medium-pressure vessels of Category II. (IV) SAD category refers to the analysis and design of pressure vessels. Article 6 Design approvers who have obtained the design qualification for Class A or Class C pressure vessels also possess the design approval qualification for Class D pressure vessels, respectively ； Design approvers who have obtained the design qualification for D2-class pressure vessels also possess the design approval qualification for D1-class pressure vessels. Obtaining the design approval qualification for SAD-class pressure vessels means gaining the design qualification for such vessels. Chapter 2: Application Requirements Article 7: Applicants for pressure vessel design approval must meet the following conditions: Those applying for approval to design Class A pressure vessels shall satisfy the following requirements: 1. A college degree or higher in a field related to pressure vessels (or an equivalent educational qualification), with experience in professional work in this area, as well as a comprehensive understanding of pressure vessel-related knowledge ； 2. Be familiar with and able to guide designers and inspectors in properly following relevant regulations, standards, and other technical specifications, as well as in resolving technical issues arising during design, manufacturing, installation, and production ； 3. Able to earnestly implement the relevant technical regulations and policies; possesses a strong sense of responsibility, has comprehensive professional knowledge in pressure vessel design, and can ensure design quality ； 4. Ability to review computer designs ； 5. At least 6 years of experience in pressure vessel design (8 years if holding an associate degree), along with at least 3 years of experience in pressure vessel verification ； 6. Possess a technical title at the intermediate level or above (including intermediate level) ； 7. The validity period of the license lasts until the age of 70. (II) The design approver for Class C pressure vessels shall meet the following requirements: 1. Have at least 6 years of experience in pressure vessel design, and at least 3 years of experience in reviewing designs for mobile pressure vessels ； 2. Other qualifications equivalent to those of the design approver for Class A pressure vessels. (III) Persons responsible for the design approval of Class D pressure vessels shall meet the following requirements: 1. A junior college degree (or an equivalent qualification) in a field related to pressure vessels, experience in working in this technical area, and a fairly comprehensive understanding of pressure vessel-related knowledge ； 2. Other qualifications equivalent to those of the design approver for Class A pressure vessels. (IV) The design approver for SAD-type pressure vessels shall meet the following requirements: 1. Have at least 8 years of experience in pressure vessel design, with no less than 2 years of experience in analytical design work ； 2. Be able to master and apply, in accordance with the requirements of the assessment outline, basic knowledge such as elasticity theory, plate and shell theory, plasticity theory, and the finite element method; be proficient in using JB4732 \"Steel Pressure Vessels – Standards for Analysis and Design\", and have the ability to prepare stress analysis reports and drawings ； Familiar with and able to guide designers and inspectors in properly following technical specifications such as regulations and standards, as well as capable of resolving technical issues in design, manufacturing, installation, and production ； 3. Possess the \"Qualification Certificate for Design Approver of Class A Pressure Vessels\" and the \"Qualification Certificate for Analytical Design of SAD Class Pressure Vessels.\" 4. Other qualifications required of a design approver for Class A pressure vessels. Article 8 Senior approvers for pressure vessels shall meet the following requirements: 1. Possess a bachelor’s degree or higher in a related field (or equivalent educational background and experience), have more than 20 years of experience in pressure vessel design, and at least three years of experience as an approver for pressure vessel designs ； 2. Able to earnestly implement the relevant guidelines, policies, and regulations; possesses a strong sense of responsibility in work; has comprehensive professional knowledge in pressure vessel design; is familiar with the technical developments in the industry both domestically and internationally; plays a leading role in driving technological progress within the industry; and has the capability to review and oversee important technical matters in this field. 3. Be familiar with and able to guide designers in properly complying with relevant regulations, standards, and other technical specifications, and possess the capability to act as an examiner or approver ； 4. In principle, they should be experts who are directly engaged in technical and standard-related work, holding positions such as deputy chief engineer or above in renowned Class A design institutes in various domestic industries. 5. Possess a technical title of senior engineer at the professor level or above (including senior engineer at the professor level) ； 6. The validity of the license lasts until the age of 75. Article 9 Designers of SAD-class pressure vessels shall meet the following requirements: 1. Possess a bachelor’s degree or higher in a relevant field (or equivalent educational background and experience), be engaged in professional work related to this field, and have comprehensive knowledge of pressure vessel technology ； 2. In accordance with the requirements of the assessment outline, one must master basic knowledge such as elasticity mechanics, plate and shell theory, plasticity mechanics, and the finite element method; be proficient in using relevant computer software; and be able to familiarize oneself with and apply JB4732 \"Steel Pressure Vessels – Code for Analysis and Design\" in carrying out designs. 3. Able to earnestly implement the relevant technical regulations and policies; possesses a strong sense of responsibility, has comprehensive professional knowledge in pressure vessel design, and can ensure design quality ； 4. Ability to use computer-aided design ； 5. At least 5 years of experience in pressure vessel design, with a track record of designing Class A pressure vessels ； 6. The validity period of the license lasts until the age of 70. Chapter 3 Procedures for Assessment and Evaluation Article 10 The assessment of pressure vessel design reviewers is carried out by the National Boiler and Pressure Vessel Standardization Technical Committee (hereinafter referred to as the “Boiler and Pressure Vessel Standardization Committee”), which is appointed by the quality and technical supervision department. Article 11: When applying for design approval qualifications as a pressure vessel designer, the individual in question must fill out the \"Application Form for Pressure Vessel Designer Qualifications\". After obtaining approval from their personnel management department, the form along with the following documents must be submitted to the assessment authority. Only after passing the qualification review can they proceed with the assessment. (1) Copy of academic (graduation) certificate ； (II) Copy of the technical professional title certificate. Article 12: The secretariat of the “Pot Capacity Standards Committee” is responsible for reviewing the exam papers and compiling the scores, determining whether the results are “pass” or “fail”, and announcing the outcomes within the specified time frame. (Exam results and scores can be checked online at www.cscbpv.org.cn; phone inquiries are not accepted.) Article 13: Those who pass the qualification assessment shall be issued a qualification certificate stamped by the assessment authority. And submit it to the relevant departments for announcement. Article 14: For those who fail the various qualification assessments, the scores they have already passed in individual subjects will remain valid for one year, allowing them to take a make-up exam once within the following year. Upon passing the exam, the corresponding qualification certificate will be issued. Chapter 4 Assessment Methods and Content Article 15 The assessment of personnel responsible for the design approval of Class A, C, and D pressure vessels is conducted in two forms: a theoretical exam and a drawing defense ； The assessment of design approvers for SAD-class pressure vessels is conducted in the form of a defense based on the drawings and analysis reports ； The assessment for designers of SAD-class pressure vessels is conducted in the form of a theoretical exam and course assignments ； The assessment of senior approvers for pressure vessels is carried out through committee recommendations and qualification evaluations. Article 16: The theoretical examination for design approval personnel of pressure vessels of Classes A, C, and D includes basic knowledge and comprehensive professional knowledge, and is conducted in an open-book format. The basic knowledge includes: the fundamental theoretical knowledge related to pressure vessel design. For example: materials, structure, mechanical fundamentals, design calculation methods, heat treatment, corrosion, welding, non-destructive testing, etc ； Professional comprehensive knowledge includes: 1. Regulations, standards, and documents related to pressure vessel design; 2. … ； 3. Common practical engineering problems in design and manufacturing ； 4. Standards related to pressure vessel design 5. Regulatory information ； 6. Application of marks 7. Ability to comprehensively address and solve design problems. Article 17: For pressure vessels of categories A, C, and D, the persons responsible for design approval must defend the drawings related to the category they have applied for; the content of this defense shall include knowledge regarding pressure vessels related to those drawings. Article 18: The theoretical examination for designers of SAD-class pressure vessels includes: basic knowledge, which mainly covers elasticity mechanics, shell theory, plasticity mechanics, the finite element method, etc. (II) Professional knowledge includes: 1. Understanding and mastering the content introduced in the training materials for pressure vessel analysis and design personnel; 2. Being familiar with and able to apply the relevant regulations, standards, and codes related to pressure vessel analysis and design; 3. Being capable of properly solving common practical engineering problems in the design and manufacture of pressure vessels; 4. Staying informed about and keeping up to date with the standard information related to the pressure vessel industry. Article 19: The course work for SAD-type pressure vessel design personnel includes: 1. Being able to use relevant analysis and design software correctly; 2. Being able to apply the aforementioned knowledge, standards, and codes for analysis and design; 3. Being able to conduct proper stress analysis on specific engineering problems and prepare corresponding stress analysis reports. 4. Designed in accordance with JB4732; the overall design diagram for the engineering problem is provided. Article 20: The defense by the personnel responsible for approving the design of SAD-type pressure vessels includes the drawings and stress analysis reports. 1. The stress analysis report shall be complete in content, and the drawings shall meet the requirements of relevant standards ； 2. The technical content must be accurate, including: a correct mechanical model, proper boundary conditions, reasonable selection of elements, and stress classification and evaluation methods that comply with the requirements of JB4732 standard. 3. Be familiar with and able to apply the relevant regulations, standards, and codes related to the analysis and design of pressure vessels. 4. Be capable of properly resolving common practical engineering problems encountered in the design and manufacture of pressure vessels. 5. Stay informed about and keep up to date with the standard information related to the pressure vessel industry. Chapter 5: Supervision and Management Article 21: Code of Conduct for Personnel Responsible for the Approval of Pressure Vessel Designs: (1) Love one’s job, delve into professional knowledge, and possess the technical skills necessary for the tasks assigned ； (II) Be familiar with and implement **relevant regulations, documents, and standards to ensure the quality of design work ； (III) Be diligent and conscientious in work, and take responsibility for the quality of the drawings submitted for approval ； (IV) Be realistic, adhere to principles, and maintain an upright style. Article 22: When certification holders for pressure vessel design detect any of the following behaviors, depending on the severity of the situation, they shall be subject to public reprimand and have their qualification certificates temporarily revoked, or the issuing authority shall be requested to cancel their qualifications: (1) Transfer of design personnel qualification certificates ； (II) Engaging in design or approval work beyond the scope of qualifications for the project ； (III) Fraudulent behavior, registering as a qualified personnel in two or more entities ； (IV) Being irresponsible, neglecting duties, violating laws and disciplines, and causing serious liability accidents. Persons whose qualifications have been revoked are not allowed to take qualification assessments for 3 years. Article 23: The validity period of the qualification certificate for pressure vessel design professionals is 4 years. Certified personnel shall submit an application for certificate renewal to the issuing authority six months before the expiration of the certificate’s validity. They must fill out the \"Application Form for Renewal of Pressure Vessel Design Approver Certificate\" personally, and after obtaining approval from their respective human resources departments, submit it to the assessment authority. Article 24: To apply for a renewal of their certification, pressure vessel design approvers must have been engaged in the design of corresponding pressure vessels for at least three consecutive years within the validity period of their certificate, and must possess design experience at the appropriate level ； There should be at least 40 hours of continuing education training records organized by the National Technical Committee for Standards of Boilers and Pressure Vessels; those who pass the certification assessment will be issued a qualification certificate. Those who submit an application after the certificate has expired or do not meet the above conditions will have their request processed as a new certificate application. Article 25: The individual concerned and the entity that issues the certification are responsible for providing information regarding the achievements and experience of those qualified to design pressure vessels at various levels. In the event of any falsification or cheating, the assessment authority will revoke the relevant qualifications and issue a reprimand to the entity; in serious cases, the matter will be reported to the competent authorities for further punishment. Article 26: During the validity period of the certificate, if a pressure vessel design approver wishes to change the name of the entity, they shall submit the relevant documents as required by the assessment authority, and a new certificate with the same validity period as the original one will be issued. Those applying for additional items must take the assessment for the corresponding item; those who pass the assessment will have their additional items added, and the validity period of the certificate remains the same as that of the original certificate. Chapter 6 Supplementary Provisions Article 27 These rules shall be interpreted by the National Technical Committee for Standardization of Boilers and Pressure Vessels. Article 28 These rules shall come into force as of the date of their publication