PERMFILE72290

• Permit No: C1994082A
• IBM Index Class Name: Permit File
• Doc Date: 10/6/2004
• Doc Name: Drainage and Sediment Control Plan
• Section_Exhibit Name: Tab 13 Attachment 13-12
• Media Type: D
• Archive: Yes

FrGnraq~ 1999 Yoa!! rllnrc '" 13-1? Drainagr acrd Se&mrn! Caulro! Plmr i
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Section
TABLE OF CONTENTS
1.0 INTRODUCTION ....................................................................
2.0 HYD ROLOGIC C.~LCULATIONS ....................................
2.1 Precipitation Distribution ...........................................
2.2 Scotm Duration ............................................................
2.3 Return Period/Precipitation .......................................
2.4 Hydrograph Response Shape .....................................
2.5 Drainage Basin Area ....................:...............................
2.6 Time of Concentration, T~ .........................................
2.7 Dluskingum Routing Pazameters, K, X ....................
2.8 Curve Number, CN .....................................................
3.0 SEDI MENTATION CALCULATIONS ..............................
3.1 Rainfall Factor, R .........................................................
3.2 Soil Erodibility Factor, K ............................................
3.3 Length-Slope Factot, LS .............................................
3.4 Control Factor, C .........................................................
3.5 Practice Factor, P ........................................................
4.0
5.0
G.0
7.0
8.0
Pie No.
1
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