PERMFILE122201

• Permit No: C1982057A
• IBM Index Class Name: Permit File
• Doc Date: 5/1/2003
• Section_Exhibit Name: Tab 13 Facilities
• Media Type: D
• Archive: Yes

TABLE 13-3
SUMMARY OF WATERSHED PARAMETER6 AND DESIGN STATISTICS FOR HAUL ROAD DITCHES
WITHIN THE PERMIT AREA INCLUDING MINE ENTRANCE ROAD,
SENECA II-W MINE, ROUTT COUNTY. COLORADO.
Weterehed Pere rrrtan H dreulic Desi n Parameters
Ditch No. Drsinege
Arae IAcI Length IMiI Elevedon
Ditfannee
IFH CN Peek Disherge 10•
yr.. 24-hr., Storm
ICFSI Averega Slope
fFt/Ftl Flow Depth
IFtI Velocity IFPSI Typa Bottom Width
fFtl
HRD~A1 28.a 0.79 300 86 14.2 0.056 0.97 5.75 V
HRD-A2ME5 6.9 1.16 305 89 3.65 0.05 0.57 3.97 V 111
HRD-A3 20.4 0.48 200 85 10.1 0.08 0.79 5.42 V
HRD-Aa 40.3 O.fi3 240 80 11.9 0.069 0.88 8.15 V
HRO-A5 1.0 0.15 50 89 .75 0.078 0.28 3.09 V Ill
HRO~A6 1.5 0.21 20 89 1.0 0.02 0.42 2.02 V (11
HRD~A7 2.5 0.19 75 86 1.5 0.02 0.48 2.2A V ftl
HRD-AB 3.0 0.50 130 89 2.0 0.052 O.aa 3.44 V 111
HRD-A9 6.0 0.22 160 80 2.2 0.049 0.50 3.57 V
HRD-A 10 39.6 0.26 95 80 1?.2 0.054 0.93 5.65 V
HRD-Att 38.4 0.76 250 60 11.8 0.042 0.96 5.10 V
HRD-B4 8.7 0.13 270 BO 2.5 D.O60 0.55 4.11 V
HRD-B5 8.7 0.11 50 80 2.5 0.060 0.55 4.11 V
HRb-86 16.0 0.15 70 80 5.9 0.025 0.90 3.68 V
HRD-B8 29.7 0.61 220 BO 8.8 0.032 1.00 4.45 V
HRD~B9 8.0 0.37 125 86 a.33 0.032 0.76 3.72 V
HRD-Ct 90.1 0.83 420 80 25.6 0.060 1.32 7.32 V
HRD~F1 35.1 0.57 560 73 3.70 0.080 0.51 a.89 V
HRD~FtR 35.1 0,57 560 73 3.70 O.D80 0.52 4.59 V 131
HRD~GI 1961 0.98 fi30 75 8.fi7 0.10 0.68 6.31 V
HRD~GIR 298.1 0.98 630 75 8.67 0.10 0.72 5.00 V 13)
HRD~H1 11.5 f41 141 141 2.9 0.032 0.77 5.32 V
HRD-H2 3.8 141 141 141 1.7 0.063 0.57 5.06 V
HRD~H3 4.9 141 141 141 2.8 0.076 0.62 5.73 V
MERD~MEI 1.0 0.09 10 89 0.7 0.01 0.42 1.44 V 111
MERD ME2 113.8 1.11 820 70 3.56 0.034 0.23 2.75 Trape:n~d 5
MERD-ME3 1.5 0.19 50 89 1.1 0.05 0.36 2.92 V Il)
MERD~ME4 412.7 1.25 835 70 32.0 0.06 0.28 4.25 Trapezoid 10
HRD~II 46.3 0.67 332 a8 3.5 0.04 0.54 3.97 V
HRD~12 4.5 0.79 250 91 3.5 0.08 0.50 4.75 V
HRD-Jt 98.4 0.91 295. 44 3.5 0.08 0.48 5.38 V
HAD J7 8.D 0.91 2a 97 3.67 0.005 0.87 1.88 V
HRD~K1 49.9 0.64 540 52 1.58 0.10 0.34 4.64 V
HRD-K2 1.7 0.36 65 91 1.58 0.01 0.52 1.96 V
HRD~K3 32.9 0.70 600 44 1.80 0.06 0.39 a.02 V
HRD~K3A 1.9 0.28 60 91 1.80 0.10 0.55 2.02 V
HRO-L7 9.5 151 151 151 2.70 0.065 0.50 4.BB V
HRD~L2 2.3 151 15! 151 1.60 0.0@5 0.40 4.70 V
HRD~L3 0.8 151 151 151 0.45 0.03 0.32 2.37 V
HRD-L4 33.7 151 151 151 4.91 0.10 0.49 5.95 V
Note: An d,tches designed wnh SEDCAD « and Mannings n = 0.03 except riprapped
111 Road salely berm ditcn
IZ) Sacuon a ditch (see Attachment 1361
131 Riprap option for lower ditch sections
141 See individual SEDCAD « inlormauon in Attachment 136
151 See individual SEDCAD+ Inlormetlon in Attachment 13-56. AD endiz 2.
Revised 04~