Semiquantitative Fire Risk Grade Model and Response Plans on a National Highway Bridge

Table 12

Risk grade on steel bridge with 130 MW applied.

Fire intensity	Bridge name	Risk grade	Suburb fire station	Mobilization time for fire suppression	Vertical clearance (m)	Conditions of overhead clearance
130 MW	Damyang bridge	IV (moderate)	Hwaseong fire station	18 min	4.5	General road
—	Neri overpass bridge	II (very low)	Anseong fire station	4 min	4.5	General road
—	Dongrim bridge	II (very low)	Bundang fire station	9 min	4.8	General road
—	Geumnam bridge	IV (moderate)	Namyangju fire station	12 min	4.5	General road
—	Goduk bridge	II (very low)	Pyungtaik fire station	7 min	4.8	General road
—	Gosan bridge	II (very low)	Gwangju fire station	7 min 30 sec	4.3	Highway
—	Dongbang bridge	I (none)	Hwaseong fire station	7 min	5.3	Only stream existing
—	Balahn bridge	II (very low)	Hwaseong fire station	1 min 30 sec	4.5	General road