PERMFILE46573

• Permit No: C1982057
• IBM Index Class Name: Permit File
• Doc Date: 12/5/2005
• Doc Name: Design for Catchment Sumps of SAE Topsoil Stockpiles
• Section_Exhibit Name: Tab 13 Attachment 13-8 /Addendum 1 & 2
• Media Type: D
• Archive: No

• TABLE 13-8-3
Summary of SAE Topsoil Stockpile
Catchment Ditch Design Statistics
Seneca II-W Mine, Routt County, Colorado
Ditch
Name' Peak Discharge
10-yr, 24-hr Icfsl Average Slope
Ift/ft19 Flow
Depth IftlZ Velocity
(fps)
PP-D1 0.10 .210 0.46 3.42
QQ-D7 0.11 .148 0.49 3.21
RR-D1 0.07 .070 0.48 2.09
CCC-D7 /D2 1.03 .020 1.46 1.16
CCC-D1/D2 1.03 .100 1.09 2.30
'See Exhibit 13-2 and 2A for location
• 'Includes 0.3 freeboard
'See Addendum 3 for SEDCAD outputs
J-Dt/D2 4.2 -~" 2.2 4.0
TT-D1/D2 1.7 -"' - 1.8 2.8
XX-D7/D2 1.5 -191 1.8 2.7
AAA-D1/D2 3.4 -191 2.1 3.7
u
TR-50 Revised 04/05