Severity index (S)

Height of fall [m]

Type of surface

6

H > 10

Hard/Dangerous structures

5

2 < H ≤ 10

Hard/Dangerous structures

4

H > 10

Soft

3

H ≤ 2

Hard/Dangerous structures

2

2 < H ≤ 10

Soft

1

H ≤ 2

Soft