6. Voids and Fissures in Soil

2

2

2

2

4

2

2

4

2

4

2

2

2

4

2

2

7. Depth of Void (m)

2

2

2

2

2

2

2

2

3

4

2

2

1

2

2

2

8. Proximity of Voids (m)

2

4

2

3

4

3

2

4

3

3

4

3

3

4

3

3

9. History of Sinkholes, within 30 m

2

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

10. Shear Wave Velocity (m/sec)

4

3

3

4

3

3

3

3

3

3

2

3

4

3

3

3

11. Decrease in Shear Wave Velocity (m/sec)

2

3

3

2

4

4

2

4

4

4

1

1

1

1

1

1

12. Bedrock Orientation

3

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

13. Depth to Groundwater (m)

3

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

14. Groundwater Pumping History

2

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

15. Groundwater Flow in Voids

2

2

2

2

2

2

2

2

2

4

2

2

2

2

2

2

16. Pipe Leak, within 30 m

3

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

17. Process Water Discharge, within 30 m

3

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

18. Storm water Ponding, within 30 m

2

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

19. Buried Structures, within 30 m

2

1

1

1

1

1

1

1

1

1

1

1

1

2

2

2

20. Soil Disturbance, within 30 m

2

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

21. Impervious Surfaces, within 30 m

3

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

22. Data Coverage

2

3

4

3

2

4

4

3

4

3

4

4

3

3

4

4

Total Risk

95

93

95

99

97

91

101

99

107

89

91

91

95

93

93

Ranking

5

6

5

3

4

7

2

3

1

8

7

7

5

6

6