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Title:Uporaba metode LOPA za analizo nevarnosti v industrijskih obratih z nevarnimi snovmi : diplomsko delo visokošolskega strokovnega študijskega programa I. stopnje
Authors:ID Mavrič, Valentina (Author)
ID Novak-Pintarič, Zorka (Mentor) More about this mentor... New window
ID Nemet, Andreja (Comentor)
Files:.pdf VS_Mavric_Valentina_2025.pdf (1,41 MB)
MD5: B838AB6EC9341AF87638B28BA7C8D3BE
 
Language:Slovenian
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:V diplomskem delu je prikazana analiza zaščitnih slojev (LOPA), ki jo uporabljamo kot orodje za vrednotenje in zmanjševanje tveganj v procesni industriji. Namen naloge je raziskati, kako metoda LOPA pripomore k učinkovitemu obvladovanju nevarnosti v industrijskih obratih, kjer se uporabljajo ali proizvajajo nevarne snovi. Metoda LOPA predstavlja semikvantitativen pristop, ki omogoča sistematično ocenjevanje obstoječih zaščitnih ukrepov in preverjanje, ali ti zadostujejo za zmanjšanje tveganja na sprejemljivo raven. V okviru naloge smo predstavili teoretične osnove metode, korake za njeno izvedbo, opisali ključne pojme, kot so varnostni instrumentalni sistemi in funkcije, nivo varnostne integritete, verjetnost odpovedi ob zahtevi ter neodvisni zaščitni sloj. S praktičnimi primeri smo prikazali uporabo metode LOPA za analizo konkretnih nevarnih scenarijev. Določili smo pogostost začetnega dogodka, ovrednotili zaščitne sloje in izračunali preostalo tveganje. Na podlagi rezultatov smo ugotovili, ali so potrebni dodatni varnostni ukrepi. Rezultati kažejo, da je metoda LOPA uporabno in pregledno orodje za sprejemanje odločitev na področju procesne varnosti. Omogoča ciljno usmerjeno izboljševanje zaščitnih mehanizmov ter prispeva k izpolnjevanju zahtev mednarodnih standardov na področju varnostnih instrumentalnih sistemov.
Keywords:LOPA, analiza zaščitnih slojev, stopnja varnostne celovitosti, analiza tveganja, procesna varnost
Place of publishing:Maribor
Place of performance:Maribor
Publisher:[V. Mavrič]
Year of publishing:2025
Number of pages:1 spletni vir (1 datoteka PDF (VIII, 35 f. ))
PID:20.500.12556/DKUM-93169 New window
UDC:331.461:005.934(043.2)
COBISS.SI-ID:243480835 New window
Publication date in DKUM:20.06.2025
Views:178
Downloads:50
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FKKT
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:10.06.2025

Secondary language

Language:English
Title:Application of the LOPA method for hazard analysis in industrial plants handling hazardous substances
Abstract:The thesis presents the Layer of Protection Analysis (LOPA), which is used as a tool for assessing and reducing risks in the process industry. The aim of the thesis is to explore how the LOPA method contributes to the effective management of hazards in industrial plants where hazardous substances are used or produced. The LOPA method represents a semi-quantitative approach that enables systematic evaluation of existing protective measures and verification of whether they are sufficient to reduce risks to an acceptable level. The thesis outlines the theoretical foundations of the method, the steps for its implementation, and describes key concepts such as safety instrumented systems and functions, safety integrity level, probability of failure on demand, and independent protection layers. Using practical examples, the application of the LOPA method to analyze specific hazardous scenarios is demonstrated. The frequency of the initiating event was determined, the protection layers were evaluated, and the residual risk was calculated. Based on the results, it was assessed whether additional safety measures were required. The results show that the LOPA method is a useful and transparent tool for decision-making in process safety. It allows for targeted improvements of protective mechanisms and supports compliance with international standards related to safety instrumented systems.
Keywords:LOPA, Layers of Protection Analysis, Safety Integrity Level, Risk Analysis, Process Safety


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