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ASME B31.3-2016 <br /> Table A341.3.2 Acceptance Criteria for Bonds <br /> RTR and RPM <br /> Kind <br /> Thermoplastic [Note(1)] <br /> of Hot Gas Solvent Heat Adhesive <br /> Imperfection Welded Cemented Fusion Cemented <br /> Cracks None permitted Not applicable Not applicable Not applicable <br /> Unfilled areas in joint None permitted None permitted None permitted None permitted <br /> Unbonded areas in Not applicable None permitted None permitted None permitted <br /> joint <br /> Inclusions of charred None permitted Not applicable Not applicable Not applicable <br /> material <br /> Unfused filler material None permitted Not applicable Not applicable Not applicable <br /> inclusions <br /> Protrusion of material Not applicable Cement, 50% Fused material, 25% Adhesive, 25% <br /> into pipe bore, % <br /> of pipe wall <br /> thickness <br /> NOTE: <br /> (1) RTR = reinforced thermosetting resin; RPM = reinforced plastic mortar. <br /> A341 EXAMINATION (3) 100%of fabrication for bonds other than circum- <br /> A341.1 General ferential, except those in components made in accor- <br /> dance with a listed specification. <br /> Paragraph 341.1 applies. (4) assembly and erection of piping in accordance <br /> A341.2 Responsibility for Examination with paras. 341.4.1(a)(4), (5), and (6). <br /> Paragraph 341.2 applies in its entirety. (b) Other Examination. Not less than 5%of all bonded <br /> joints shall be examined by in-process examination in <br /> A341.3 Examination Requirements accordance with para. 344.7, the joints to be examined <br /> being selected to ensure that the work of each bonder <br /> A341.3.1 Responsibility for Examination. and bonding operator making the production joints is <br /> Paragraph 341.3.1 applies,except for (a) and (b),which examined. <br /> apply only for metals. (c) Certifications and Records. Paragraph 341.4.1(c) <br /> A341.3.2 Acceptance Criteria. Acceptance criteria applies. <br /> shall be as stated in the engineering design and shall A341.4.2 Examination — Category D Fluid Service. <br /> at least meet the applicable requirements for bonds in Piping and piping elements for Category D Fluid Service <br /> Table A341.3.2 and requirements elsewhere in the Code. as designated in the engineering design shall be visually <br /> A341.3.3 Defective Components and Workmanship. examined to the extent necessary to satisfy the examiner <br /> Paragraph 341.3.3 applies in its entirety. that components,materials,and workmanship conform <br /> to the requirements of this Code and the engineering <br /> A341.3.4 Progressive Sampling for Examination. design. <br /> Paragraph 341.3.4 applies in its entirety. <br /> A341.5 Supplementary Examination <br /> A341.4 Extent of Required Examination <br /> A341.5.1 General. Any applicable method of exam- <br /> A341.4.1 Examination Normally Required. Piping in ination described in para. 344 may be specified by the <br /> Normal Fluid Service shall be examined to the extent engineering design to supplement the examination <br /> specified herein or to any greater extent specified in the required by para. A341.4. The extent of supplementary <br /> engineering design. Acceptance criteria are as stated in examination to be performed and any acceptance criteria <br /> para. A341.3.2 unless otherwise specified. that differ from those in para.A341.3.2 shall be specified <br /> (a) Visual Examination. At least the following shall be in the engineering design. <br /> examined in accordance with para. 344.2: A341.5.2 Examinations to Resolve Uncertainty. <br /> (1) materials and components in accordance with Paragraph 341.5.3 applies. <br /> para. 341.4.1(a)(1). <br /> (2) at least 5% of fabrication. For bonds,each type A342 EXAMINATION PERSONNEL <br /> of bond made by each bonder and bonding operator <br /> shall be represented. Paragraph 342 applies in its entirety. <br />