{"id":343534,"date":"2024-10-20T00:06:50","date_gmt":"2024-10-20T00:06:50","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-625022011\/"},"modified":"2024-10-25T23:25:08","modified_gmt":"2024-10-25T23:25:08","slug":"bs-en-625022011","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-625022011\/","title":{"rendered":"BS EN 62502:2011"},"content":{"rendered":"
IEC 62502:2010 specifies the consolidated basic principles of Event Tree Analysis (ETA) and provides guidance on modelling the consequences of an initiating event as well as analysing these consequences qualitatively and quantitatively in the context of dependability and risk related measures.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
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6<\/td>\n | English CONTENTS <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | INTRODUCTION <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 1 Scope 2 Normative references 3 Terms, definitions, abbreviations and symbols 3.1 Terms and definitions <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 3.2 Abbreviations and symbols <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | 4 General description <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | Figures Figure 1 \u2013 Process for development of event trees <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | 5 Benefits and limitations of ETA 5.1 Benefits 5.2 Limitations <\/td>\n<\/tr>\n | ||||||
14<\/td>\n | 6 Relationship with other analysis techniques 6.1 Combination of ETA and FTA <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 6.2 Layer of protection analysis (LOPA) 6.3 Combination with other techniques <\/td>\n<\/tr>\n | ||||||
16<\/td>\n | 7 Development of event trees 7.1 General 7.2 Steps in ETA <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | 8 Evaluation 8.1 Preliminary remarks 8.2 Qualitative analysis \u2013 Managing dependencies Figure 2 \u2013 Simple graphical representation of an event tree <\/td>\n<\/tr>\n | ||||||
22<\/td>\n | Figure 3 \u2013 Functional dependencies in event trees <\/td>\n<\/tr>\n | ||||||
23<\/td>\n | Figure 4 \u2013 Modelling of structural or physical dependencies <\/td>\n<\/tr>\n | ||||||
24<\/td>\n | 8.3 Quantitative analysis Figure 5 \u2013 Sequence of events <\/td>\n<\/tr>\n | ||||||
25<\/td>\n | Figure 6 \u2013 Fault tree linking <\/td>\n<\/tr>\n | ||||||
26<\/td>\n | 9 Documentation <\/td>\n<\/tr>\n | ||||||
28<\/td>\n | Annex A (informative) Graphical representation Figure A.1 \u2013 Frequently used graphical representation for event trees Tables Table A.1 \u2013 Graphical elements <\/td>\n<\/tr>\n | ||||||
29<\/td>\n | Annex B (informative) Examples <\/td>\n<\/tr>\n | ||||||
30<\/td>\n | Figure B.1 \u2013 Event tree for a typical fire incident in a diesel generator building <\/td>\n<\/tr>\n | ||||||
31<\/td>\n | Figure B.2 \u2013 Simplified event tree for a fire event Table B.1 \u2013 Symbols used in Annex B <\/td>\n<\/tr>\n | ||||||
33<\/td>\n | Figure B.3 \u2013 Level-crossing system (LX) Table B.2 \u2013 System overview <\/td>\n<\/tr>\n | ||||||
35<\/td>\n | Figure B.4 \u2013 ETA for a level-crossing system <\/td>\n<\/tr>\n | ||||||
36<\/td>\n | Table B.3 \u2013 Risk reduction parameters for accidents from Figure B.4 <\/td>\n<\/tr>\n | ||||||
38<\/td>\n | Figure B.5 \u2013 Simple example Figure B.6 \u2013 Fault tree for the failure of system 1 <\/td>\n<\/tr>\n | ||||||
39<\/td>\n | Figure B.7 \u2013 Fault tree for the failure of system 2 <\/td>\n<\/tr>\n | ||||||
40<\/td>\n | Figure B.8 \u2013 Modified event tree <\/td>\n<\/tr>\n | ||||||
41<\/td>\n | Figure B.9 \u2013 Event tree with “grouped faults” <\/td>\n<\/tr>\n | ||||||
43<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Analysis techniques for dependability. Event tree analysis (ETA)<\/b><\/p>\n |