PERMFILE125479

• Permit No: C1994082
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: 25 YEAR SEDCAD INPUT AND OUTPUT
• Section_Exhibit Name: TAB 13 Attachment 13-4A.2 ADDENDUM 13-4A-B
• Media Type: D
• Archive: No

Civil Software Desiga -- 98DCAD+ Version 3.1
Copyright (C) 1987-1992. Pamela J. Schwab. All rights reserved.
Company Nam®: PEAHODY WESTERN COAL COMPANY
Fileaame: C:\SEDCAD3\YOAST\P11ASB25 User: MOA
Date: 11-25-1997 Time: 12:42:17
SEDIMENT POND 11 AS-BUILT (25YR.-24HR. PRECIP. EVENT 2.1 INCH)
Storm: 2.10 iaches, 25 year-26 hour, SCS Type II
Hydrograph Convolution Interval: 0.1 hr
SUBWATERSHED/STRUCTURE INPUT~OUTPUT TABLE
-Rydrology-
Base- Runoff Peak
JBS SWS Area CN UHS Tc R E Flow Volume Discharge
(ac) (hrs) (hrs) (cfs) (ac-ft) (cfs)

111 1 33.36* 91 F 0.029 0.025 0.465 0.0 3.48 41.79
111 2 107.91 56 3 0.269 0.000 0.000 0.0 0.30 0.37
Type: Pond Label: POND 011 AS-BUILT
111 Structure 161.27 3.78
111 Total IN 141.27 3.78 41.81
111 Total OUT 3.78 38.10