QP-13- 管道目视检验管理规程.doc

Shanghai Baoye Group Corp., Ltd Procedure Document 上海宝冶集团有限公司程序文件 Document Name： VISUAL EXAMINATION PROCEDURE FOR PIPING 文件名称： 管道目视检验管理规程 Document No： 文件编号： SBC-JZGS/ASME-13 0 Issue for Use 2014.05.16 王礼本 张啸风 Revision No. 版本号 Reason for issue/Revision 发布/修改原因 Issue Date 编制日期 Issued by 编制者 Approved by 批准 1. Scope This procedure is applied to the piping fabricated according to B31.1 based on ASME Code Section Ⅴ and B31.1. 本规程适用于按照ASME规范第Ⅴ卷和B31.1建造的动力管道。 2. Examiner 检验员 All personnel performing visual examination in Shanghai Baoye Group Corp., Ltd shall be qualified according to SBC-JZGS/ASME-12. 上海宝冶集团有限公司所有进行目视检验的人员都应根据SBC-JZGS/ASME-12的要求接受资格鉴定。 3. Examination Method 检验方法 3.1 Direct Visual Examination直接目视检验 Direct visual examination may usually be made when access is sufficient to place the eye within 24 in.(600mm) of the surface to be examined and at an angle not less than 30 deg. to the surface to be examined. Mirrors may be used to improve the angle of vision, and aids such as a magnifying lens may be used to assist examinations. Illumination (natural or supplemental white light) for the specific part, component, vessel, or section thereof being examined is required. The minimum light intensity at examination surface/site shall be 100footcandles (1000 lux). The light source, technique used, and light level verification is required to be demonstrated one time, documented, and maintained on file. 当能够充分靠近，而使眼睛离被检验表面不超过24in.(600mm)，与被检表面所成的视角不小于30°时，则一般可采用直接的目视检验，可以采用反光镜来改善观察的角度，并可借助于放大镜之类来帮助检验。在做直接检验时，具体的零件、部件、容器或容器的某个部位需要照明。（自然光或辅助白炽光），至少要有100fc(1000lx)的强度。所用的方法光源和光水平需要进行验证，并在文件里加以记录和保存。 3.2 Remote Visual Examination遥控目视检验 In some cases, remote visual examination may have to be substituted for direct examination. Remote visual examination may use visual aids such as mirrors, telescopes, borescopes, fiber optics, cameras, or other suitable instruments. Such systems shall have a resolution capability at least equivalent to that obtainable by direc