REV95160

• Permit No: C1992080
• IBM Index Class Name: Revision
• Doc Name: SP 2 CULVERT
• Type & Sequence: TR1
• Media Type: D
• Archive: No

__ •
roject Title = OEI SP#2 Culvert
ATERSHED HYDROGRAPH
Inflow into structure # 1
Structure type: Null
- Watershed data for watershed # 1
Curve number = 77.0
Area = 12.8 acces
Hydraulic length = 2000.00 Feet
Elevation change = 170.0 feet.
Concentration time = 0.38 hours
Concentration time type = SCS Upland Curves
Unit hydrograph type = Disturbed
- Total Area
= 12.8 acres
• iiiiiiiiiiiiiiiiiii
- Storm data
Total precipitation = 2.3 inches
Storm type = SCS Type 1 storm, 24 hour storm
Peak Discharge = 2.21 cfs
Discharge volume = 0.66 acre ft
time rainfall hydrograph time rainfall hydrograph
(hc.) (in.) (cfs) (hr.) (in.) (cfs)
0.00 0.000 0.000 0.11 0.004 0.000
0.22 0.004 0.000 * 0.33 0.004 0.000
0.44 0.004 0.000 0.55 0.004 0.000
0.66 0.004 0.000 0.77 0.004 0.000
0.88 0.004 0.000 0.99 0.004 0.000
1.10 0.005 0.000 * 1.21 0.005 0.000
1.32 0.005 0.000 * 1.43 0.005 0.000
1.54 0.005 0.000 1.65 0.005 0.000
1.76 0.005 0.000 1.87 0.005 0.000
1.98 0.005 0.000 2.09 0.005 0.000
2.20 0.005 0.000 2.31 0.005 0.000
2.42 0.005 0.000 • 2.53 0.005 0.000
2.64 0.005 0.000 2.75 0.005 0.000
2.86 0.005 0.000 2.97 0.005 0.000
3.08 0.005 0.000 3.19 0.005 0.000
3.30 0.005 0.000 3.41 0.005 0.000
3.52 0.005 0.000 3.63 0.006 0.000
3.74 0.006 0.000 3.85 0.006 0.000
3.96 0.006 0.000 * 4.07 0.006 0.000
4.18 0.006 0.000 4.29 0.006 0.000
4.40 0.006 0.000 4.51 0.006 0.000
4.62 0.006 0.000 4.73 0.006 0.000
4.84 0.006 0.000 * 4.95 0.006 0.000
5.06 0.006 0.000 5.17 0.006 0.000
5.28 0.006 0.000 5.39 0.006 0.000
5.50 0.006 0.000 5.61 0.007 0.000
5.72 0.007 0.000 5.83 0.007 0.000
5.94 0.007 0.000 6.05 0.007 0.000
6.16 0.008 0.000 6.27 0.008 0.000
6.38 0.008 0.000 6.49 0.008 0.000
6.60 0.008 0.000 6.71 0.008 0.000