IRR > 4%

Scenario 1

Scenario 2

Scenario 3

Scenario 4

Permeability

(mD)

Minimum height

(m)

Minimum height

(m)

Minimum height

(m)

Minimum height

(m)

1

53

66

42

35

2.5

12

13

9

7.5

5

4.6

5.7

3.6

3

7.5

3.1

3.5

2.5

2.1

>10

2.5

3.1

2.0

1.7