Table 2    Structure Importance Coefficients I

Structure Importance Category

Structure Importance Coefficient

I

Ⅰ Essential facilities

1.25

Ⅱ Hazardous facilities 1.25
Ⅲ Special occupancy structures 1.00
Ⅳ Standard occupancy structures 1.00

Ⅴ Low-risk Structures

1.00