RISK INDEX F

TABLE 1-2f

LIGHTNING FREQUENCY ISOCERAUNIC LEVEL

Index Value

0-5

9

6-10

8

11-20

7

21-30

6

31-40

5

41-50

4

51-60

3

61-70

2

Over 70

1

 

 

 

 

 

 

 

 

 

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