Affiliation:
1. All-Russian Research Institute for Fire Protection of Ministry of Russian Federation for Civil Defense, Emergencies and Elimination of Consequences of Natural Disasters
Abstract
Introduction. GOST R 12.3.047-2012 standard offers a methodology for determination of required fire resistance limits of engineering structures. This methodology is based on a comparison of values of the fire resistance limit and the equivalent fire duration. However, in practice incidents occur when, in absence of regulatory fire resistance requirements, a facility owner, who has relaxed the fire resistance requirements prescribed by GOST R 12.3.047–2012, is ready to accept its potential loss in fire for economic reasons. In this case, one can apply the probability of safe evacuation and rescue to compare distributions of fire resistance limits, on the one hand, and evacuation and rescue time, on the other hand.A methodology for the identification of required fire resistance limits. The probabilistic method for the identification of required fire resistance limits, published in work [1], was tested in this study. This method differs from the one specified in GOST R 12.3.047-2012. The method is based on a comparison of distributions of such random values, as the estimated time of evacuation or rescue in case of fire at a production facility and fire resistance limits for engineering structures.Calculations of required fire resistance limits. This article presents a case of application of the proposed method to the rescue of people using the results of full-scale experiments, involving a real pipe rack at a gas processing plant [2].Conclusions. The required fire resistance limits for pipe rack structures of a gas processing plant were identified. The calculations took account of the time needed to evacuate and rescue the personnel, as well as the pre-set reliability of structures, given that the personnel evacuation and rescue time in case of fire is identified in an experiment.
Publisher
Moscow State University of Civil Engineering
Reference20 articles.
1. Shebeko Yu.N., Shebeko A.Yu., Giletich A.N. Method of a determination of required fire resistance limits for building structures of industrial objects. Pozharovzrivobezopasnost/Fire and Explosion Safety. 2018; 27(11):51-57. DOI: 10.18322/PVB.2018.27.11.51-57 (rus).
2. Lagozin A.Yu., Shebeko Yu.N., Leonchuk P.A., Klementev B.A., Samoshin D.A. Experimental study of the processes of evacuation and rescue of people in case of fire from the pipe rack of the technological line of the gas processing plant. Occupational Safety in Industry. 2021; 6:69-74. DOI: 10.24000/0409-2961-2021-6-69-74 (rus).
3. Prisadkov V.I. A realibility of building structures at a fire. Fire resistances of building structures. Moscow, VNIIPO, 1986; 70-73. (rus).
4. Prisadkov V.I. A creation of methods for a choice of an optimal fire protection system for industrial buildings : dissertation of doctor of technical sciences. Moscow, VNIIPO, 1990, 290. (rus).
5. Shebeko Yu.N., Shebeko A.Yu. About the fire safety conditions to determine the admissible parameters of industrial premises functioning. Pozharnaya bezopasnost’/Fire Safety. 2009; 4:61-66. (rus).