Identify the types of loss relevant to the structure
For each type of loss, identify and calculate the risk components
Calculate new values of
risk components
Figure A.1: Procedure for deciding the protection requirements and selecting protection measures
Identify the structure to be protected
R
. R
. R
. R
. R
. R
A
B
C
M
U
R > R
T
YES
Protection needed
Is LPS installed?
NO
R
+R
+R
A
B
U
+R
>R
V
T
YES
Install adequate
type of LPS
. R
. R
V
W
Z
NO
Structure protected
YES
Are SPM installed?
NO
NO
Install adequate
SPM
50
YES
Install other protection
measurement