TY JOUR TI APPROACHES TO DETERMINING THE NEW VALUE OF THE SAMPLE FIRE EQUIPMENT KW methods KW performance characteristics KW cost JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Voronin, S.V. AU Skrypnyk, I.L. AU Kaverzneva, T.T. PY 2018 IS 2018 PB Saint-Petersburg University of State Fire Service of Emercom of Russia