PERMFILE130375

• Permit No: C1982056
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 08h HYDROLOGIC EVALUATION OF SEDIMENTATION PONDS A, D AND G
• Media Type: D
• Archive: No

•
Table 6
VATER ENGINEERING 8 TECHNOLOGY, INC. 2/90
<19 CANYON AVENUE, SUITE 225
FORT COLLINS, CO 80521
STAGE-DISCNARGE RELATIONSHIP FOR POND G
COLORADO YAMPA COAL CClIPANY - ECIGMAN PARK M[NE
Stage Riser Principal total
In Discharge Spillway Discharge
Pond G Discharge
(fC) (cis) (cfs) (cfs)
6828.0 0.0 0.0 0.0
6828.5 0.8 0.0 0.8
6829.0 1.4 0.0 1.4
6829.5 1.8 O.D 1.8
6830.0 2.2 0.0 2.2
6830.5 3.2 0.0 3.2
6831.0 4.2 0.0 4.2
6831.5 4.8 0.0 4.8
6832.0 5.4 0.0 5.4
• 6832.5 5.9 0.0 5.9
6833.0 6.4 0.0 6.4
6833.5 10.0 0.0 10.0
6834.0 16.1 0.0 16.1
6834.5 16.5 23.0 39.5
6835.0 16.9 100.2 117.1
6835.5 17.3 207.5 224.8
6836.0 17.7 338.1 355.8
6836.5 18.1 488.3 506.4
6837.0 18.4 655.9 674.4
6837.5 18.8 839.3 858.1
6838.0 19.2 1037.1 1056.2
• Spillway Discharge = 2.8 • 50 • H"1.5
Spillway Eleva cion = 6834,2
•
10
Water Engineering & Technology, Inc.