In the present paper, an exhaustive hazards identification and good practice methodology for liquid hydrocarbon fuel storage tanks have been presented, aimed at being applied in the Risk Assessment Analysis of any liquid hydrocarbon tank farm; particularly in the ones liable to the European Legislation of the series of "SEVESO" Directives. The methodology gives valuable insight of potential risks to the installations owners and can result in the ordering of tank accident sequences according to their risk severity. The most common initiating events leading to an accident in a liquid hydrocarbon fuel storage tank together with the preventive and protection measures to be taken have been listed. The innovative part of the present study is the presentation of the checklist aimed at helping both safety engineers and safety reviewers to easily identify the major contributors to risk and detail the analysis in those aspects. Several group discussions has been organised by the authors of the proposed methodology with experienced safety engineers from the Greek petrochemical industries, with the aim to improve and correct any lacks in the methodology. This initiative has helped a lot, as the teams of experts interviewed have significant knowledge and expertise in the operation of liquid hydrocarbon fuel storage tanks and know exactly the critical points behind the safe operation of these installations. Experts believe that this methodology can greatly help in quick the assessment of the safe operation of liquid hydrocarbon fuel storage tanks. The discussion has additionally shown that issues that do not rank high in experts' opinion must all the same be highlighted and adequately ordered within the framework of the SEVESO II type of safety analyses. In particular, the Vapour cloud explosion scenario should be thoroughly analysed, together with the proposal of additional preventive and/ or protective measures, so as to minimize its probability to occur, given that the consequences are per definition disastrous. Moreover, in commercial tank farms, where the safety measures and the expertise are not comparable to the ones of big refineries, additional safety management measures should be taken, such as the in situ observing of tank filling either by an operator or by a CCTV system. The authors hope that the proposed methodology will be beneficial for safety engineers, safety report evaluators, safety inspectors and process companies, which are involved in the preparation and evaluation of safety studies for liquid hydrocarbon fuel storage tanks.


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    Titel :

    A hazards assessment methodology for large liquid hydrocarbon fuel tanks


    Beteiligte:


    Erscheinungsdatum :

    2012


    Format / Umfang :

    7 Seiten, 2 Tabellen, 42 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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