PERMFILE130154

• Permit No: C1981038
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: VOLUME 8- DRAINAGE DITCHES PART 1 OF 2
• Media Type: D
• Archive: No

Copyright (C) 1987-1990. Pamela J. Schwab. All rights reserved.
Company Name: Cyprus Yampa Coal
Filename: A:\OVER{•IP User: KCK
Date: 12-06-1991 Time: 12:59:44
ORCHARD VALLEY EAST RIDGE S•7ASTE PILE DRAINAGE AREA
Storm: 1.70 inches, 10 year-24 hour, SCS Type II
Hydrograph Convolution Interval: 0.1 hr
SUBI9ATERSHED/STRUCTURE INPUT/OUTPUT TABLE
-Hydrology-
Base- Runoff Peak
JBS Sl9S Area CN UHS Tc K X Flow Volume Discharge
(ac) (hrs) (hrs) (cfs) (ac-ft) (cfs)

111 1 0.47 89 N 0.014 0.037 0.321 0.0 0.03 0.39
111 2 0.64 80 Al 0.005 0.035 0.240 0.0 0.02 0.28
111 3 1.25 89 N 0.035 0.000 0.000 0.0 0.08 1.04
Type: Null Label: NULLJ1B1S1
111
---- Structure
--------------- 2.37
----------------
--------
------------
------- 0.13
-----
-
---------
ill Total IN/OUT 2.37 --
0.13 1.71

121 1 1.57 89 ht 0.079 0.000 0.000 0.0 0.10 1.30
Type: Null Label: NULLJ1B2S1
121
---- Structure
--------------- 1.57
---
--
-
-
-
-
-
-- 0.10
-
121 Total IN/OUT -
--
---
----
1.57 ------- -
--------- ---
- --------
0.10 --------
1.30
------ - --- ---------- -------------------------
..~1 1 0.59 80 I.1 0.006 0.011 0.425 0.0 0.02 0.25
211 2 0.89 80 11 0.023 0.000 0.000 0.0 0.03 0.39
211 3 0.31 90 t•I 0.016 0.003 0.369 0.0 0.02 0.27
Type: Null Label: NULLJ2B151
211
-- Structure
-
--
-
- 1.79 0.31
-
211 --
---
---
---
Total IN/OUT ----------------
5.73 -------- ------------ ------- --------
0.31 ---------
3.93
111 to 211 Routing 0.014 0.440
~21 1 0.28 80 4l 0.005 0.043 0.356 0.0 0.01 0.12
_21 2 0.56 80 tl 0.013 0.034 0.360 0.0 0.02 0.24
2^_1 3 1.67 90 PS 0.035 0.000 0.000 0.0 0.12 1.47
Type: Null Label: NULLJ2B2S1
1'21
- Structure 2.50
- 0.14
--
-
----------
-
-
221 ----------------
Total IN/OUT ----------------
2.50 -------- ------------ ----
- --
---
0.14 1.83

311 1 0.55 80 t•1 0.008 0.014 0.403 0.0 0.02 0.24
311 2 0.90 78 Af 0.014 0.000 0.000 0.0 0.02 0.32
Type: Null Label: NULLJ381S1
311
--- Structure
---------------- 1.45
-----
---
--
-
- 0.49
-
-
-
-
-
311 Total IN/OUT -
--
---
9.68 ---
--- ----------- ------- --
----
0.49 ---
----
6.32
•i to 311 Routing 0.008 0.362

312 1 1.23 80 PI 0.015 0.000 0.000 0.0 0.04 0.53
Type: Null Label: NULLJ3B152
312 Structure --- --1-..3---------- -------- ----------- ------- ----0_53
312 Total IN/OUT 10.91 0.53 6.86