Category

Description of building and structures

Importance coefficient
kr

I

Buildings and Structures of Extraordinary Importance
a) Buildings and structures where small damage may cause catastrophic damage like: poisoning of the population, fire explosions, etc.
b) Buildings and Structures of a very big economic or strategic importance.
c) Buildings and Structures where the interruption of the technological process is allowed.

4

 1.75

1.5

II

Buildings and Structures of Special Importance
a) Buildings and Structures, which have a special importance for post earthquake recovery, like: telecommunication network, fire station, big hospitals, big flour factories etc.
b) Buildings and Structures whose damage may cause big causalities, like: schools, nursery schools, kindergarten, cinema, stadiums, hotels, and other objects like these where there are big concentration of peoples.
c) Buildings and Structures whose damage may cause losses for the economy.
d) Buildings and Structures of special cultural and monumental value.

 
1.5

1.3

1.2

1.2

III

Buildings and Structures of Ordinary Importance
Buildings and Structures that are not included in other categories, like: residential buildings, different institutions, like: museums, libraries, hotels, schools, cinemas, etc., different factories and plants, big warehouses, engineering structures like: retaining walls, water towers and others.

1.0

IV

Buildings and Structures of Secondary Importance
Buildings and Structures whose damage does not cause big losses of human life or interruption of technological process.

0.5

V

Temporary Buildings and Structures
Buildings and Structures whose collapse does not risk the people’s life.

No calculation is needed