Analysis of gas and smoke protection service units work in the conditions of emergency situation elimination in the subway

On the basis of the training, the parameters of the rescue operation in the conditions of a deep underground metro station were determined. The drawbacks of the gas and smoke protection service work, which are associated with the use of personal respiratory protection equipment, were noted. It was found that only 12—14 minutes are given to the units of the gas and smoke protection service to carry out rescue operations with the available breathing apparatus, which are not enough suitable to work in difficult conditions and to save people during peak periods of metro traffic. Proposals for equipping rescuers to improve the efficiency of rescue operations have been formulated. They include equipping rescuers with two-cylinder devices, compressed oxygen breezing devices. It is proposed to design subway safe zones with constant air overpressure and circulation for disabled persons and people, which wait for evacuation in case of fire during the subway peak congestion. The need of methodology modernization of working parameters for personal respiratory protection equipment calculation has been identified: it is necessary to take into account the air consumption of the rescue device connected to the breathing apparatus, and also to divide the air volume of the device into parts: air for moving to the working place and work in an unbreathable environment, air to return back, the reserve volume of air.

Gainullin T. F., Mikheeva E. V., Arkhipov M. V. Analysis of gas and smoke protection service units work in the conditions of emergency situation elimination in the subway. MIAB. Mining Inf. Anal. Bull. 2022;(11-2):137-147. [In Russ]. DOI: 10.25018/0236_1493_20 22_112_0_137.

T.F. Gainullin¹, Graduate Student, e-mail: pronovelinfo@gmail.com, ORCID ID: 0000-0003-0724-6997,
E.V. Mikheeva¹, Cand. Sci. (Biol.), Assistant Professor, e-mail: rexband@mail.ru, ORCID ID: 0000-0003-3271-1512,
M.V. Arkhipov¹, Senior Lecturer, e-mail: max-uggu@mail.ru, ORCID ID: 0000-0003-1689-6262,
¹ Ural State Mining University, 620144, Ekaterinburg, Russia.

E.V. Miheeva, e-mail: rexband@mail.ru.

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