Urban fire risk assessment and planning response based on multi-source data

doi:10.16265/j.cnki.issn1003-3033.2021.03.021

Abstract

Abstract: In order to analyze spatial pattern characteristics of city fire risks, a scientific fire prevention and control system was proposed and Hefei was selected as case study. Based on POI data, NPP/VIIRS light data,fire station data, road information and other multi-sourced data. SAVEE model and iterative method were used to assess risk of urban fire.Location-allocation(L-A)model was introduced to evaluate current city fire stations and layout of fire stations was optimized from different target situations.The study shows that high risk areas of fire are mainly concentrated in the built-up areas within the second ring road of Hefei city, especially old urban area, west railway station area, administrative area, science city and new center in the east. Existing 48 fire stations have a good coverage rate of POI in study area, with a coverage rate of 86.76%, while coverage rate of NPP/VIIRS is only 55.94%. Coverage rate is still insufficient in the northeast, northwest and south parts of Hefei. Based on the maximized coverage model, 44 new fire stations are planned to significantly increase coverage of response time of 5 min, which can further consolidate urban fire safety.

Key words: point of interest(POI)data, suomi national polar-orbiting partnership/visible infrared imaging radiometer suite(NPP/VIIRS)lighting data, fire risk, fire station, Hefei city

CLC Number:

X932

WANG Ai, ZHANG Qiang, LU Lin, YU Haoran, HUANG Chaowei. Urban fire risk assessment and planning response based on multi-source data[J]. China Safety Science Journal, 2021, 31(3): 148-155.

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