PERMFILE63734

• Permit No: C1982056
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 08 TAB 2.11 Ditch D-1 SEDCAD Design
• Media Type: D
• Archive: No

Civil Software Design -- SEDCAD+ Version 3.1
Copyright (C) 1987-1992. Pamela J. Schwab. All rights reserved.
Company Name: CYPRUS YAMPA VALLEY COAL
•~ Filename: S:\NEWD1 User: KARL C XOEHLER
Date: 05-16-1995 Time: 17:22:37
TWENTYMILE COAL COMPANY DITCH D-1 DESIGN
Storm: 1.80 inches, 10 year-24 hour, SCS Type II
Hydrograph Convolution Interval: 0.1 hr
SUBWATERSHED/STRUCTURE INPUT/OUTPUT TABLE
-------------------------------------------
--------------------------------------------
-Hydrology-

JBS
SWS
Area CN UHS
(ac)
Tc
(hrs)
K
(hrs)
X Base-
Flow
(cfs) Runoff
Volume
(ac-ft) Peak
Disch~
(cf:
111 1 22.00 70 M 0.065 0.000 0.000 0.0 0.31 3.
T pe: Null Label: J1B1S1 NULL
111 Structure 22.0 0.31
111 Total IN/OUT 22.00
V 0.31 3.
112 1 14.00 70 M 0.105 0.000 0.000 0.0 0.20 2.
Type: Null Label: J1B1S2 NULL
112 Structure 14.00 0.51
112 Total IN/OUT 36.00 0.51 4.
111 to 112 Routing 0.057 0.400
121 1 19.00 70 M 0.092 0.000 0.000 0.0 0.27 2.
Type: Null Label: J1B251 NULL
• ~ '21
- ---
Structure--
--
----- 19 00- 0 27
-
121 -
--
-
Total IN/OUT -
--
19.00 ------- ------- ------- ----- ------- ----
0.27 -------
2.
122 1 13.00 70 M 0.070 0.000 0.000 0.0 0.18 2.
T pe: Null Label: JiB2S2 NULL
122 Structure 13.0 0.45
122 Total
IN/OUT=== =32_00_ ~
45 5
-
121 _
to 122 Routing __ _______ ________ ______
0.041 ______________
0.396 =
==
__ .
===
211 1 9.00 79 M 0.043 0.085 0.300 0.0 0.31 4
211 2 5.00 90 M 0.085 0.000 0.000 0.0 0.39 4
Type: Null Label: J2B1S1 NULL
211 Structure 14.00 1.66
211 Total IN/OUT 82.00 1.66 11.
112 to 211 Routing 0.145 0.273
212 1 12.00 79 M 0.078 0.000 0.000 0.0 0.41 5.
Type: Null Label: J2B1S2 NULL
212 Structure 12.00 2.07
212 Total IN/OUT 94.00 2.07 13
211 to 212 Routing 0.093 0.378
.~
TAB 2.11. PG. 3
Permit Renewal No. 3 D-L-3
FORMERLY 11!1/99