PERMFILE106328

• Permit No: C1982057
• IBM Index Class Name: Permit File
• Doc Date: 1/11/2007
• Doc Name: As-Built Report Sedimentation Structure Pond 016A
• Section_Exhibit Name: Tab 13 Attachment 13-5F Appendix 2
• Media Type: D
• Archive: No

SENECA II West Coal Mine
SEDCAD 4
WATERSHED ID
Structure 3 -SWS5
Watershed ID:
S3-SWS5
Watershed Area:
Curve Number:
Pond 016 System
HYDROLOGIC INPUT PARAMETERS
2.5 acres
WATERSHED TYPE COVER SOIL GROUP NUMBER (acres)
Pond Area 100 2.5
Total 2.5
CURVE NUMBER 100
Soil Erodability Factor (K):
SOIL TYPE AREA (acres) K FACTOR K'AREA
Disturbed 2.5 0.16 0.4
Wei hted K Factor 0.16
Control Factor:
SOIL TYPE AREA (acres) C FACTOR C'AREA
Disturbed 2.5 1 2.5
Wei hted C Factor 1.00
Practice Factor:
SOIL TYPE AREA (acres) P FACTOR P`AREA
Disturbed -Topsoil
Stripped
2.5
0.9
2.3
Wei hted P Factor 0.90

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TR-56 13-SF-G.26 Revisetl 09/06