PERMFILE67378

• Permit No: C1982057A
• IBM Index Class Name: Permit File
• Doc Date: 3/1/2007
• Doc Name: Culvert Calculations
• Section_Exhibit Name: Tab 13 Attachment 13-7
• Media Type: D
• Archive: Yes

_ TABLE 13.7-7
SUMMARY OF WATERSHED PARAMETERS, PEAK FLOW, AND DESIGN STATISITICS FOR CULVERTS IN MINE PERMIT AREA,
SENECA II-W MINE, ROUTT COUNTY COLORADO
WATERSHED PARAMETER Culvert Culvert Maximum
Culvert Area
(Ac) Length
(Mi) ~'~ Relief
(Ft)19 CN Peak Discharge
10-Yr., 24-Hc
cfs Length
(Ft) Diameter
(In) Head
(Ft) ~'~
HRC-Ai 774.0 2.73 955 76 65.2 143 72 3.1
HRC-A3 41.2 0.68 225 80 12.6 80 24 2.1
HRC-A5 135.2 0.79 475 76 23.7 142 36 2.5
HRC-A6 39.6 0.48 230 89 27.0 160 36 2.7
HRC-AJ 38.4 0.48 175 89 26.2 160 36 - 2.6
HRC-82 29.7 0.49 201 80 8.8 120 36 1.3
HRC-63 16.6 0.23 150 86 10.1 120 30 1.6
HRC-84 7.8 0.23 210 80 2.9 200 24 0.8
HRC-B5 249.7 0.91 555 86 65.9 160 48 4.1
HRC-B6 189.6 0.38 270 91 86.9 160 48 5.0
HRC-C1 148.1 0.85 425 86 75.1 140 48 4.5
HRC-F3 Revised 127.6 1.02 715 91 96.5 80 48 5.6
HRC-F4 100.5 0.77 430 91 78.4 100 48 4.6
HRC-G7 9510.9 2.12 630 70 174.1 120 72 5.9
HRC-G2 784.1 0.85 550 78 94.8 160 60 4.4
HRC-G3 746.3 1.24 810 78 96.2 300 60 4.5
HRC-GS 258.4 0.41 230 86 40.4 240 36 3.6
HRC-H7 86.8 1 1 1 6.8 120 24 2.0
HRC-H2 51.3 1 1 1 4.1 150 18 1.5
HRC-H3 11.5 1 1 1 2.9 90 18 1.5
HRC-11 50.8 1 1 1 3.5 60 12 2.0
HRC-12 50.8 1 1 1 3.5 60 12 2.0
HRC-13 50.8 1 1 1 3.5 60 12 2.0
HRC-J7 157.2 1 1 1 6.6 70 18 2.0
HRC-J2 See Pond 16 A Desi n 190 100 108 5
HRC-J3 106.4 1 1 1 3.7 60 24 2.0
HRC-J4 106.4 1 1 1 3.7 60 18 2.0
HRC-J5 106.4 1 1 1 3.7 60 24 2.0
HRC-T4 26.5 0.30 130 80 9.9 80 24 1.8
HRC-T7 2.5 0.19 70 89 1.8 110 24 0.6
HRC-TB 6.0 3 40 24
HRC-T9 4.7 3 20 24
HRC-Y1 20.4 0.41 110 89 13.9 81 36 1.7
HRC-Y2 16.4 0.112 170 89 12.3 100 30 3.5
HRC-Y3 11.3 0.26 130 89 8.5 100 30 1.4
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 6.9 1.18 305 89 3.85 40 30 0.8
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
K-1 53.7 Sae SEDCAD runs See SEDCAD rum See SEDCAp mns 1.7 1 ~~ 1U 2.0
K-2 61.9 Sea SEDCAD runs See SEDCAD runs See SEDCAD runs 2 6 100 12 2 0
TR-55 13-7-1 Revised 12!06