PERMFILE40498

• Permit No: C1981071
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: Exhibit 13 4th Part
• Media Type: D
• Archive: No

• i
Table !.
L'AT'cR ENGINEERING d TECHNOLOGY, INC. 2/90
619 CANTON AVENUE, SUITE 225
FORT COLlINS. CO 80521
STAG=•DISOXARGE RELATIONSHIP FOR POND D
COLORADO TAMPA COAL COMPANY - ECKMAN PARK MINE
Stage Riser Spoil Total FLo~ Emergency Ta[aI
In Discharge Spring Through Spi ll~ay Discharge
Pond D Capacity Basef low • Riser Discharge••
(ft) (cfs) (cfs) (cfs) (cfs) (cfs)
6246.0 0.0 0.0 0.0 0.0 0.0
6846.5 0.0 0.0 0.0 0.0 0.0
6847.0 1.2 0.7 0.5 0.0 0.5
63.7.5 1.7 0.7 1.0 0.0 1.0
6848.0 2.1 0.7 1.4 0.0 1.4
6868.5 2.4 0.7 1.7 0.0 1.7
6849.0 3.8 0.7 3.1 D.0 3.1
6849.5 4.6 0.7 3.9 0.0 3.9
6850.0 5.8 0.7 5.1 0.0 5.1
6850.5 14.2 0.7 13.5 ~ 0.0 13.5-
• 6851.6 14.7 0.7 14.0 8.0 22.0
~~ 6851.5 15.3 0.7 14.6 117.1 131.7
6852.0 15.8 0.7 15.1 290.7 305.8
6852.5 16.3 0.7 15.6 510.0 525.6
6853.0 16.7 0.7 16.0 766.9 782.9
6253.5 17.2 0.7 16.5 1056.5 1073.0
6854.0 17.6 0.7 16.9 1375.4 1392.6
6254.5 18.1 0.7 17.4 1721.3 1738.7
6255.0 18.5 0.7 17.8 2092.1 2109.9
• Flou capacity of riser less spoil spring d underground
mine basefLo~ of 0.2 d 0.5 cfs, respectively
•• Spill~ay Discharge 2.8 90 N^1.5
spillway Elevation = 6850.9
•
Water Engineering & Technology, Inc.