TY JOUR TI MODELING SYSTEMS OF EXTERNAL FIRE-PREVENTION WATER SUPPLY FOR ASSESSING THE SUFFICIENCY WATER LOSS IN EXTINGUISHING FIRES AT THE ENTERPRISES OF PETROCHEMICAL INDUSTRY KW system of external fire-prevention water supply KW extinguishing of fires KW modeling KW water return KW a fire hydrant KW planning JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Pivovarov, N.Y. AU Tarantsev, A.A. PY 2013 IS 2013 PB Saint-Petersburg University of State Fire Service of Emercom of Russia