PERMFILE111401

• Permit No: C1982056
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 08a Proposed Dewatering Facility Culvert Sizing
• Media Type: D
• Archive: No

Civil Software Design -- SEDCAD+ Version 3.1
Copyright (C) 1987-1992. Pamela J. Schwab. All rights reserved.
Comppanyy Name: CYPRUS YAMPA VALLEY COAL
• Filename: E:\SEDCAD3\TCC\DEH2OC User: CW BEGEJ
Date: 06-02-1995 Time: 08:01:07
CULVERT EMD-3 ON ACCESS ROAD TO TCC DEWATERING FACILITY
Storm: 1.80 inches, 10 ear-24 hour, SCS Type II
Hydrograph Convolution Interval 0.1 hr
DETAILED SUBWATERSHED INPUT/OUTPUT TABLE
Seg. Land Flow
B S SWS ~ Condition
Distance
(ft)
Slo a
(~~
Velocity
(fps) Segment
Time
(hr) Time
Conc.
(hr) Muskingum
K X
(hr)
1 1 1 -a 4 879.83 11.37 3.01 0.08
-b 8 1959.38 5.10 6,78 0.08
0.164
•
PR93-O:i Exhibit 8a, Page IS of 18 Revised 9/19/95