This paper has been prepared by its authors to show the benefits coming from the application of the fire risk assessment methodology prepared by the "LastFirec Project" group of experts. Now a days this methodology seems to be very effective to face the fire risk connected with large atmospheric storage tanks. It has been developed during the period 1997-2005 the HSE & operations experts from experts 16 worldwide operating oil companies The authors, by "ad hoc" created software package, show the benefit coming from the applications of the LastFire (c) methodology and how, from this, using the methodology and the supporting tad, realize a coherent fire strategy in the form of a Fire Risk Management System. Same workflow could also be extended to the issues connected with other problems related with large atmospheric tanks storing hydrocarbons, such as environmental impact by soil pollution, to create a common frame walk of assessment not can be shared with authorities as well The proposed methodology, moving from the original project, sets as an effective "Fire Hazard Management Approach" in line with the most recent trends (even enforced by the regulations) shared at international levels, that propose the integration of risk assessment with prevention and protection measures selection based on achieved risk reduction, costs, time needed, etc. (c) 2009 Elsevier Ltd. All rights reserved.