1988-04-20_PERMIT FILE - C1981008A

• Permit No: C1981008A
• IBM Index Class Name: PERMIT FILE
• Doc Date: 4/20/1988
• Doc Name: Sedimentation Pond 005
• Section_Exhibit Name: Tab 13 Attachment E
• Media Type: D
• Archive: Yes

TABLE OF CONTENTS
Page
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 1
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . 1
Site Description . . . . . . . . . . . . . . . . . . . . . . . 1
LandUse . . . . . . . . . . . . . . . . . . . . . . . . 1
Embankment . . . . . . . . . . . . . . . . . . . . . . . 1
Design Analysis . . . . . . . . . . . . . . . . . . . . . . . 2
General . . . . . . . . . . . . . . . . . . . . . . . . . 2
Hydrology . . . . . . . . . . . . . . 2
SCS Curve Numbers and "k" Factor . . . . . . . . . . 3
Precipitation and Storm Type . . . . . . . . 6
Unit Hydrograph and Surface Condition. . . . . . . . 7
Time of Concentration . . . . . . . . . . . . . . . 7
Sedimentology . . . . . . . . . . . . . . . 7
Particle Size Distributions. . . . . . . . . . . . . 7
Length - Slope Factors (L,S) . . . . . . . . . . . . 8
Control Practice Factor (CP) . . . . . . . . . . . . 8
Storage Capacity. . . . . . . . . . . . . . . . . . . . . 9
Spillway . . . . . . . . . . . . . . . . . . . . . . . . 9
Pond No. 005 - East Ditch and West Ditch . . . . . . . . . . . 11
Remedial Compliance Plan . . . . . . . . . . . . . . . . . . . 13
Selected References . . . . . . . . . . . . . . . . . . . . . 16
Addendum A - 10-year, 24-hour SEDIMOT II (Input and Output) - 005
Pond
Addendum B - 25-year, 24-hour SEDIMOT II (Input and Output) - 005
Pond
Addendum C -100-year, 24-hour SEDIMOT II (Input and Output) - 005
Pond
Addendum D- 10-year, 24-hour SEDIMOT II (Input and Output) - 005 East
Ditch
Addendum E- 10-year, 24-hour SEDIMOT II (Input and Output) - 005 West
Ditch
Appendix 1 - As-Built Report, Sedimentation Structure 005