PERMFILE67869

• Permit No: C1982057A
• IBM Index Class Name: Permit File
• Doc Date: 7/15/2005
• Doc Name: As-Built Report Sedimentation Structure Pond 016A
• Section_Exhibit Name: Tab 13 Attachment 13-5F Appendix 2
• Media Type: D
• Archive: Yes

• SENECA II West Coal Mine
Pond 16 System
HYDROLOGIC INPUT PARAMETERS
SEDCAD 4
WATERSHED ID
Structure 3 - SW S1
C J
Watershed Id:
S3•SWSi
Watershed Area:
Curve Number:
1.7 acres
WATERSHED TYPE COVER SOIL GROUP NUMBER (acres)
Pond Area 100 1.7
Total 1.7
CURVE NUMBER 100
Soil Erodability Factor (K):
SOIL TYPE AREA (acres) K FACTOR K'AREA
Disturbed 1.7 0.16 0.3
Wei hied K Factor 0.16
Control Factor:
SOIL TYPE AREA (acres) C FACTOR C'AREA
Disturbed 1.7 1 1.7
Wei hted C Factor 1.00
Practice Factor:
SOIL TYPE AREA (acres) P FACTOR P'AREA
Disturbed -Topsoil
Stripped
17
0.9
L5
Wei hied P Factor 0.90
•