REP10685

• Permit No: C1980001
• IBM Index Class Name: Report
• Doc Date: 7/15/2002
• Doc Name: 2002 Erosion Inventory Report
• From: WWC Engineering
• To: DMG
• Permit Index Doc Type: Stability Report
• Media Type: D
• Archive: No

Table 15: West Ridge Block 7-8 Erosion Condition Classification

' Possible
Item Score
2002
2001
2000
1999
1998
1997
1996
Soil Movement ]4 2 2 3 3 3 3 3
Surface Litter 14 0 0 2 3 0 0 0
Surface Rock Fragments l4 0 0 0 0 0 0 0
' Pedestalling 14 0 0 0 0 0 0 0
Flow Patterns 15 2 2 3 3 6 5 5
' Rills ]4
Gullies 15 4
3 6
3 8
6 9
6 9
5 6
3 6
3
Total 100 11 l3 22 24 23 17 17
Erosion Condition Classification: Stable Stable Slight Slight Slight Stable Stable
'
Block 8-9
The erosion condition composite SSF score for this site was 17, which placed it in the
' Stable erosion c]ass. The tabulated results fo r this s urvey a re contai ned in Table 16. Rills and
gullies are stable with little evidence of soil movemen t and vegetation growing on the sides and
bottoms of features. No corrective measures pl anned as a result of the inventory.
'
Table 16: West Ridge B lock 8-9 Erosi on Condition C lassification
' Possible
Item Score 2002 200] 2000 J999 ]998 1997 1996
Soil Movement 14 2 3 5 3 2 3 3
' Surface Litter 14 0 0 3 3 1 0 0
Surface Rock Fragments 14 0 0 0 0 0 0 2
Pedestalling ]4 0 0 0 0 0 0 0
Flow Patterns 15 6 6 6 0 1 3 5
' Rills 14 6 9 9 3 3 9 6
Gullies IS 3 4 4 3 0 3 3
Total 100 17 22 27 ]2 7 18 ]9
Erosion Condition Classification: Stable Slight Slight Stable Stable Stable Stable
Block 9-10
The erosion condition composite SSF score for this site was 13, which placed it in the
Stable erosion class. The tabulated results for this survey are contained in Table 17. Old rills
gullies in the southern portion of the block appear stable. No corrective measures planned as a
result of the inventory.
~'V
12 WC Engineering