In-Service Inspection of Nuclear Power Plants - gnssn - International ...

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This publication is no longer valid Please see http://www-ns.iaea.org/standards/ Doc.-No.: KKG-Q-KPOOO NUCLEAR POWER PLANT GOESGEN-DAENIKEN LTD Type of document Examination program Page: 1 out of: 4 Title Systems examination program Systems: PS, RA, RL, RS, RX, RZ Systems: TA, TB, TC, TD, TF, TG, TH, TN, TR, TS, TT, TX, TY Systems: UD, VA, VE, VF Systems: X, Y (Abbreviations: e.g.: Y = primary coolant system, R-= steam and feed water system T-= auxiliary systems) Component designation v.s. component numbers No. of pages 4 Responsible official I. Seidl Examiner No. of Annexes 1 Date of preparation 15.2.1985 Date of test Distribution KKG-Q SVDB HSK 2x lx lx Revisions Index Date Visa Tested Extent of revisions 76
This publication is no longer valid Please see http://www-ns.iaea.org/standards/ Doc no ' KKG-Q-KPOOO NUCLEAR POWER PLANT GOESGEN-DAENIKEN LTD Page : 2 o£ Organization of in-service inspections of mechanical components at the Gosnen-Danllcen Nuclear Power Plant In-service inspections are long-term recurrent inspections with the aim of detecting and evaluating defects or changes in mechanical components resulting from operation. Since in-service inspections are compared with one another, maximum reproducibllity is requested. In-service inspections are in principle planned and conducted on the basis of SVDB regulation NE14 "Plan for re-testing and operational supervision of components belonging to safety class 1-4". In order to cover all the components coming under the NE14 regulation KKG-Q has made provision for a division Into 2 sections (see Annex 1) 1. Systems examination programme (overall programme of a system) 2. Component examination programme (detailed programme for relevant components) Re: 1 Systems examination programme Systems examination programme should offer in tabular form an overview of those sections which are to be recurrently tested in • given system. In principle, all components subject to acceptance are also subject to obligatory re-testing. These components are : Piping Containment penetrations Valves Pumps Vessels/heat exchangers Pipe supports Snubbles 77
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