30/Quality Assurance the quality control program should encompass the qualifications of the vendors.6.1.5 Inspection. The quality control personnel who perform inspections during the various stages of fabrication should be qualified 6.1.3 Document Control. Control of docu- in accordance with a formal certification proments relating to engineering, procurement, gram. It is the responsibility of those charged policies, procedures, and instructions should with the administration and supervision of be maintained. Procedures should be imple- inspection to assure that inspectors are qualimented to provide appropriate review of fied and certified. Quality control personnel changes prior to revision and issuance of should perform nondestructive examination these documents. Document control measures and destructive testing in accordance with should include the following: established procedures. (1) Identification of individuals responsiCertification of inspection personnel may ble for preparation, revision, review, approval, be required by contract, codes, specifications, and distribution of documents or civil laws. In this regard, it may be benefi(2) Use of correct documents identified and cial to consider certification of welding inspectors by the American Welding Society verified (3) Procedures for controlling receipt, under the Certified Welding Inspector (CWI) reproduction, distribution, storage, and and Certified Associate Welding Inspector (CAWI) programs. The American Society for retrieval of contract documents. Nondestructive Testing (ASNT) and AWS 6.1.4 Process Control. Manufacturing pro- provide certification guidelines for NDE percesses should be controlled and implemented sonnel. Other programs may be used for certiusing established procedures for standard fication of inspection personnel. commercial processes and special manufacInspection activities may be performed by turing processes. Special processes such as quality control personnel in accordance with welding, heat treating, nondestructive exami- written procedures and instructions to assure nation, testing, and inspection should be that the product meets applicable requirecontrolled and accomplished by qualified per- ments. The welding inspector determines the sonnel. Special process procedures should accuracy, completeness, and acceptability of define process methods, personnel training materiais and workmanship. Inspection activand qualification criteria, required cerifi- ities also include verification that: cation and records, as well as requirements (1) Measuring and test equipment used for from applicable codes, other standards, and inspections are calibrated. specifications. (2) Process hold points are observed. Welding procedures should be reviewed (3) Surveillance of manufacturing activities prior to use to ensure that the procedures meet is accomplished. the specificationrequirements. Audits or sur(4) Materiai receiving inspection is performed. veillance should be performed during producA sampling program may be used to verify tion to ascertain that the correct procedures acceptability of a group of items. The sample are being implemented. Welder performance procedure should be based on standard pracrecords should be audited periodically to tices and provide sample size and selection determine that welders are properly qualified process. For example, MJL-STD- 105 provides to procedures being used for fabrication. If sample sizes and acceptable quality levels. required by specifications, permanent identification or records of welders�performance 6.1.6 Identification and Control of Matequalifications should be maintained. It should rid. The QAiQC procedures should specify be noted that a decision to inspect only after the requirements and control of items. Identicompletion of welding is not the best way to fication and control may be maintained by heat number, part number, serial number, or ensure quality.
