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0401S-420300-JT68(y)-A Requirements for Visual Examination of Reactor Pressure Vessel

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4     I, 1 iGt};ss (' I conf'identialitintemalDocNoIN, do'--" n t`ropert} of、日〔It mussuoi卜eused「叩旧山ced. Iorns山山,d盯山5创c_cd "I山以It四mn_san v1N川CU 1 960401 S-420300-J'F68(y) -APa0esRep八Qinshan Nuclear Power Phase IIExtension ProjectProject Order&Names0401Subproject Order&NameDesign PhaseWork CategoriesRXRCPDetail DesignReactor Pressure VesselDrawing/ Doe. NameDrawing/ Doc. No.Requirements for Visual Examinationof       Reactor Pressure VesselO卜X}440  05   6〕Q  KNa    4}1)    s/rNuclear Power Institute of China、、0401S-420300-JT68(y)-A    Requirements for Visual Examination of RPVRev: A   2/6Qi│                nshan Nuclear Power Phase 11               Ext│                      ension Project                   R│equirements for Visual Examination of Reactor Pressure Vessel         (│    │        │    │〕枷囚品隽厕    │                │门/份、        │                          │G、   │    │        │      │C}un'htei │ulu t.0'4 ,V一、示标办多        ││/,门产      A│  │ 2005. 11│CFC   │Chen Haibo      │Wei Yadong      │Zhong概、黯     │A an,J}t }, }J, jJ i 吃.│  Gao │    │        │      │chunmei     │                │                │-r犷 '-!万乙二卜卜代     │Rev.││Date    │Status│Writen by/Date │Checked by/Date │Reviewed by/Date│Approved by/Date         J│ointly signed by:                                        I│Modification-Observation:                ┌────┬.│德爵W.T-^'I│月│吮肠.闷匀巨.│ ritenby/Date    Section:  No.2尹' │                                  │             沙啥        │       │                0501 S-420300-7T68(v)-ARequirements fOl VISLUIl Examination ol RP%RC\:八3i6Documentation informationDoc. Name:  Requirements for VisualExamination of Reactor Pressure从ssclWriter: Gao chunmciTel:Chen         Haibo(028)859087=0Section:N0.2Doc. No.: 04015-420300-7T68(y)-AAbstract:This document stipulates the requirements for visual examination of Reactor PressureVessel (RPV) of Qinshan Nuclear Power Phase 11 Extension Project (3# unit)Key words:Qinshan Nuclear Power Phase 11 Extension Project, Reactor Pressure Vessel, Weld, VisualexaminationTopic:Technical requirementsNotesi八们川1t\曰,0401 S-4211300-JT6S(O-ARequirements for Visuol Examination of RP\R1}A4/6Cont                            ents1 Scope of application2 Applicable standards and documents3 General requirements4 Special requirementsS比川:\、1040I S-430300-JTb8(\)-ARequirements for Visual Examination of RPV尺c、入5了61 Scope of application7 his document stipulates the requirements for visual examination of Reactor PressureVessel (RPV) of Qinshan Nuclear Power Phase II Extension Project (3# unitlThis document is applicable to the visual examination of Reactor Pressure Vessel ofQinshan Nuclear Power Phase 11 Extension Project (3# unit)2 Applicable standards and documentsRCC-M MC7000RCC-M S7000Other Examination methodsProduction WeldsThe RCC-M applied in this document is of 2000 edition+2002 addendum3 General requirementsVisual examination of RPV shall meet the requirements specified in RCC-M MC7000and S7000. Moreover, it shall meet the special requirements specified in thisdocument. If some discrepancy occurs among these requirements, the specialrequirements specified in this document shall be satisfied4 Special requirements4.1 Time of examination and test area4.1.1 All parts shall be thoroughly visual examined during all phases of productionand machining to check the soundness of the metal surface4.1.2 Visual examination before alignment, preferably to be performed before theother non-destructive surface examinationsTest area is all the surfaces to be welded and adjacent areas4.1.3 Visual examination after alignment shall be carried out immediately beforewelding and after any tack weldingTest area is all the surfaces to be welded and thei:一。djacent areas on the front and backsides of the joint, when this back side is accessible. The tack welds to be incorporatedin the final weld in accordance with the welding procedure specification, shall besubjected to vital examination4.1.4 Visual examination(){production welds shall be performed before the executionof the other non-desuucf ve examinations丁est area is all welds. clad山n2()]hutterin2写cd]山1:、咬、20-101S-420200-JTOS(y)-ARequirements for Vi}uul Examination of RP\RC、入6()4.1.5 After hydrostatic test the surface of RPV shall be thoroughly visual examined tocheck the soundness of the metal surface4 2 Acceptance entetia4.2.1 The surface of RPV (including all parts) shall be sound and free of strings,cracks, nicks, or other injurious defects4.2.2 All surfaces to be clad or buttered, all surfaces and edges to be welded and theiradjacent areas shall be absence of water. crease, oil, oxides and shall have no defectliable to affect adversely the quality of the weld.4.2.3 The surface of completed welds shall be free of shrinkage, end craters, cracksgas porosiyt, undercut, oxides or other detects liable to impair the weldingSe曰]、门:、咬!

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