2012-01-06_PERMIT FILE - C1982057 ‎(30)‎

• Permit No: C1982057
• IBM Index Class Name: Permit File
• Doc Date: 1/6/2012
• Section_Exhibit Name: Tab 13 Attachment 13-10 Part 1
• Media Type: D
• Archive: No

• ~E 1 •
Summary of Watershed Parameters, Peak Flow, and
Design Statisti cs for Culverts on Mine Entrance Haul Road
Seneca II-W Nine, Routt County, Colorado
WATERSHED PARAMETER
Selected
Peak Discharge Culvert Culvert hiW
Area Length Relief 10-Yr., 24-Hr. Length Diameter Required
Culvert (Ac) (Mi) (Ft) CN (CFS) (Ft.) (In,) (Ft)(2)
ME-1 8205.8 5.38 1625 70 144.4 93 60 6.0
ME-2 412.7 1.25 835 70 16.32 97 36 1.9
ME-5 3.0 0.62 180 89 1,9 41 24 0.6
ME-6 10.2 0.64 560 70 0.4 40 24 0,3
ME-7 3.0 0.23 75 89 2.2 20 24 0.7
+
~Z~Culverts redesigned with SEDCAD
,

Minimum cover over the top of culverts = minimum 2 feet.
W
W