REV94498

• Permit No: C1992080
• IBM Index Class Name: Revision
• Doc Date: 12/13/1993
• Doc Name: TR-01 CARBON JCTN MINE FILE NO C-92-080
• From: DARRY A FERGUSON
• To: DMG
• Type & Sequence: TR1
• Media Type: D
• Archive: No

project Title = Carbon Junction Mine SP #2 Culvert
lATERSHED HYDROGRAPH
Inflow into structure # 1
Structure type: Null
- Watershed data for watershed # 1
Curve number = 85,0
Area - 12.8 acres
Hydraulic length = 2000.00 Feet
Elevation change = 170.0 feet.
Concentration time 0.19 hours
Concentration time type = SCS Upland Curves
Unit hydrograph type = Disturbed
- Total Area = 12.8 acres
- Storm data
Total precipitation = 2.3 inches
Storm type = SCS Type 2 storm, 24 hour storm
Peak Discharge = 11.33 cfs
Discharge volume = 1.09 acre ft
time rainfall hydrograph time rainfall hydrograph
(hr.) (in.) (cfs) (hr.) (in.) (cfs)
0.00 0.000 0.000 0.20 0.005 0.000
0.40 0.005 0.000 * 0.60 0.005 0.000
0.80 0.005 0.000 1.00 0.005 0.000
1.20 0.006 0.000 1.40 0.006 0.000
1.60 0.006 0.000 1.80 0.006 0.000
2.00 0.006 0.000 2.20 0.006 0.000
2.40 0.006 0.000 2.60 0.006 0.000
2.80 0.006 0.000 3.00 0.006 0.000
3.20 0.006 0.000 3.40 0.006 0.000
3.60 0.006 0.000 3.80 0.006 0.000
4.00 0.006 0.000 4.20 0.007 0.000
4.40 0.007 0.000 4.60 0.007 0.000
4.80 0.007 0.000 " 5.00 0.007 0.000
5.20 0.007 0.000 5.40 0.007 0.000
5.60 0.007 0.000 " 5.80 0.007 0.000
6.00 0.007 0.000 6.20 0.009 0.000
6.40 0.009 0.000 6.60 0.009 0.000
6.80 0.009 0.000 7.00 0.009 0.000
7.20 0.009 0.000 7.40 0.009 0.000
7.60 0.009 0.000 7.80 0.009 0.000
8.00 0.009 0.000 8.20 0.012 0.000
8.40 0.012 0.000 8.60 0.012 0.000
8.80 0.013 0.000 9.00 0.013 0.000
9.20 0.015 0.000 9.40 0.015 0.0@5
9.60 0.016 0.018 9.80 0.017 0.036
10.00 0.017 0.054 10.20 0.021 0.089
10.40 0.021 0.119 10.60 0.025 0.169
10.80 0.029 0.234 11.00 0.029 0.286
11.20 0.044 0.473 11.40 0.044 0.600
11.60 0.197 2.846 " 11.60 0.350 7.757
12.00 0.350 11.329 12.20 0.066 5.771