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ASME B31.3-2016 <br /> (b) Other Examination (3) All piping erection shall be examined to verify <br /> (1) Not less than 5% of circumferential butt and dimensions and alignment.Supports,guides,and points <br /> miter groove welds shall be examined fully by random of cold spring shall be checked to ensure that movement <br /> radiography in accordance with para. 344.5 or by ran- of the piping under all conditions of startup,operation, <br /> dom ultrasonic examination in accordance with and shutdown will be accommodated without undue <br /> para.344.6.The welds to be examined in each designated binding or unanticipated constraint. <br /> lot shall include the work product of each welder or (b) Other Examination. All circumferential butt and <br /> welding operator whose welds are part of the lot. The miter groove welds and all fabricated branch connection <br /> work of welders depositing only tack welds need not welds comparable to those shown in Fig. 328.5.4E shall <br /> be represented as part of the lot. Welds shall also be be examined by 100% radiography in accordance with <br /> selected to maximize coverage of intersections with lon- para. 344.5, or (if specified in the engineering design) <br /> gitudinal joints. When a circumferential weld with an by 100% ultrasonic examination in accordance with <br /> intersecting longitudinal weld(s) is examined, at least para. 344.6. Socket welds and branch connection welds <br /> the adjacent 38 mm (1%2 in.) of each intersecting weld that are not radiographed shall be examined by magnetic <br /> shall be examined.In-process examination in accordance particle or liquid penetrant methods in accordance with <br /> with para. 344.7 may be substituted for all or part of para. 344.3 or 344.4. <br /> the radiographic or ultrasonic examination on a weld- (c) In-process examination in accordance with <br /> for-weld basis if specified in the engineering design or para. 344.7, supplemented by appropriate nondestruc- <br /> specifically authorized by the Inspector. tive examination, may be substituted for the examina- <br /> (2) Not less than 5% of all brazed joints shall be tion required in (b) above on a weld-for-weld basis if <br /> examined by in-process examination in accordance with specified in the engineering design or specifically <br /> para. 344.7, the joints to be examined being selected to authorized by the Inspector. <br /> ensure that the work of each brazer making the produc- (d) Certification and Records. The requirements of <br /> tion joints is included. para. 341.4.1(c) apply. <br /> (c) Certifications and Records. The examiner shall be <br /> assured, by examination of certifications, records, and 341.4.4 Examination — Elevated Temperature Fluid <br /> other evidence,that the materials and components are of Service. Piping in Elevated Temperature Fluid Service <br /> the specified grades and that they have received required shall be examined to the extent specified herein or to <br /> heat treatment,examination,and testing. The examiner any greater extent specified in the engineering design. <br /> shall provide the Inspector with a certification that all Acceptance criteria are as stated in para. 341.3.2 and <br /> the quality control requirements of the Code and of the in Table 341.3.2, for Normal Fluid Service, unless the <br /> engineering design have been carried out. requirements for severe cyclic conditions apply or other- <br /> wise specified. <br /> 341.4.2 Examination — Category D Fluid Service. (a) Visual Examination. The requirements of <br /> Piping and piping elements for Category D Fluid Service para. 341.4.1(a) apply with the following exceptions: <br /> as designated in the engineering design shall be visually (1) All fabrication shall be examined. <br /> examined in accordance with para. 344.2 to the extent (2) All threaded, bolted, and other joints shall be <br /> necessary to satisfy the examiner that components, <br /> examined. <br /> materials, and workmanship conform to the require- <br /> ments of this Code and the engineering design.Accept- (3) All piping erection shall be examined to verify <br /> dimensions and alignment.Supports,guides,and points <br /> ance criteria are as stated in para. 341.3.2 and in <br /> Table 341.3.2,for Category D fluid service,unless other- of cold spring shall be checked to ensure that movement <br /> of the piping under all conditions of startup,operation, <br /> wise specified. <br /> and shutdown will be accommodated without undue <br /> 341.4.3 Examination — Severe Cyclic Conditions. binding or unanticipated constraint. <br /> Piping to be used under severe cyclic conditions shall (b) Additional Examination. The examination require- <br /> be examined to the extent specified herein or to any ments of para. 341.4.1(b) apply with the following <br /> greater extent specified in the engineering design. exceptions: <br /> Acceptance criteria are as stated in para. 341.3.2 and in (1) Fabrication for longitudinal and spiral (helical <br /> Table 341.3.2,for severe cyclic conditions,unless other- seam) welds in P-No. 4 and P-No. 5 materials, except <br /> wise specified. those in components made in accordance with a listed <br /> (a) Visual Examination. The requirements of specification, shall be examined by 100% radiography <br /> para. 341.4.1(a) apply with the following exceptions: in accordance with para. 344.5, or by 100% ultrasonic <br /> (1) All fabrication shall be examined. examination in accordance with para. 344.6. <br /> (2) All threaded, bolted, and other joints shall be (2) Socket welds and branch connection welds in <br /> examined. P-No.4 and P-No.5 materials that are not radiographed <br />