N.R. Kazakova - Post-graduate Student, faculty at the graduate training in the Department of Fire safety of technological processes and productions , St.-Petersburg University of State fire service of EMERCOM of Russia. E-mail: kazakova-nadenka@mail.ru A.K. Chernykh - Dr. Sc. (Eng.), Associate Professor, Professor, Department of Computer Science and Mathematics, St. Petersburg military Institute of internal troops of the MIA of Russia. E-mail: nadezhda.m90@mail.ru