2008-04-15_REVISION - M1980244 ‎(274)‎

• Permit No: M1980244
• IBM Index Class Name: REVISION
• Doc Date: 4/15/2008
• Doc Name: County Vol 1 Attachment 10
• From: CC &V
• To: DRMS
• Type & Sequence: AM9
• Media Type: D
• Archive: No

•
TABLE OF CONTENTS
EXECUTIVE SUMMARY ......................................................................................1
SCOPE .................................................................:............................................... 3
STORM WATER HYDROLOGY .......................................................................... 4
Background and Prior Drainage Designs ....................................................................................................4
................4
Methodology and Basin Descriptions ..........................................................................................
....................................................................... 5
Inflow Design Storms and Design Criteria .........................:.
............................................................................................................................5
Runoff Coefficients............
...........................................................................6
Hydrology Calculations for Design Storms (SEDCAD4)
STORM WATER MANAGEMENT AREA DESCRIPTION AND RESULTS OF
STORM ROUTING ............................................................................................... 7
During Operations .......................................................................................................................................7
Post Closure Arrangement ..............................:...........................................................................................8
.................................................................................10
Hydrology Results ...................................................
..................12
Diversion Design and Preliminary EMP Pond Design ...........................................................
Sediment Removal Efficiency and Performance ......................................................................................13
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