_PERMIT FILE - C1981008A ‎(13)‎

• Permit No: C1981008A
• IBM Index Class Name: PERMIT FILE
• Doc Name: Sedimentation Pond 004
• Section_Exhibit Name: Tab 13 Attachment D
• Media Type: D
• Archive: Yes

TABLE OF CONTENTS
Page
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Inspection . . . . . . . . . . . . . . . . . . . . . . . 1
Site Description . . . . . . . . . . . . . . . . . . . . . 1
Land Use. 1
Embankment. 1
Design Analysis. . . . . . . . . . . . . . . . . . . 2
General . . . . . . . . . . . . . . . . . . . 2
Hydrology . . . . . . . . . . . . . . . . . . . 2
SCS Curve Numbers and "V Factor . . . . . . . . . . . 3
Precipitation and Storm Type . . . . . . . . . . . 6
Unit Hydrograph and Surface Condition. . . . . . . . . 6
Time of Concentration. . . . . . . . . . . . . . . . . 6
Sedimentology . . . 7
Particle Size Distributions. 7
Length - Slope Factors (L,S) . . . . . . . . . . . . . 8
Control Practice Factor (CP) . . . . . . . . . . . . . 8
StorageCapacity. . . . . . . . . . . . . . . . . . . . . . 8
Spillway . . . . . . . . . . . . . . . . . . . . . . . . . 9
Pond No. 004 - East Ditch . . . . . . . . . . . . . . . . . . . 11
Remedial Compliance Plan . . . . . . . . . . . . . . . . . . . . 13
Selected References. . . . . . . . . . . . . . . . . . . . . . . 15
Addendum A - 10-year, 24-hour SEDIMOT II (Input and Output) - 004
Pond
Addendum B - 25-year, 24-hour SEDIMOT II ( Input and Output) - 004
Pond
Addendum C-100-year, 24-hour SEDIMOT II (Input and Output) - 004
Pond
Addendum D- 10-year, 24-hour SEDIMOT II (input and Output) - 004
Each Ditch
Appendix 1 - As-Built Report Sedimentation Structure 004