Laserfiche WebLink
TART R 7-6f-1 <br />• Design Hydrology and ~lmP~tology Sur[¢~y <br />10 Year-24 Hour Storm <br />Description Diversion No. 1 <br />Drainage Area 113.5 ac <br />Precipitation Depth 1.6 in <br />IN 79 <br />Tc 0.133 <br />Hydro Response Fast <br />Peak Flow (cfs) 31.13 <br />Runoff Volume (ac-ft) 2.89 <br />Diversion Slope 14.6$ <br />TABLE 7-6f-2 <br />Design Hydrology aryl Sedimentology Sinm[iary <br />Pond 008 <br />• Description 10 Yr-24 Hr 25 Yr-24 Hr <br />Drainage Area 340.9 ac 340.9 ac <br />Precipitation Depth 1.6 in 2.1 in <br />IN 70 70 <br />Hydro Response Med Med <br />Runoff Volume (ac-ft) 6.31 12.87 <br />Peak Flow (cfs) 36.77 103.53 <br />Peak Elevation 7014.4 7017.2 <br />The following tables shwa how the IN, "k" factor, wtimar+t sizes, and CP <br />factor were determined for each watershed contributing runoff to the <br />various structures. Subwatershed I pertains to Diversion No. 1. <br />SUbwatershed III pertains to Pond 008. All subwatersheds were routed <br />through Pond 008. <br />Curve Number and "k" Factor <br />The curve numbers are based on information presented in Table 7-6f-3. The <br />• "k" factors were determined with the aid of the USDA-ARS's revised USLE <br />software package and are shown on Table 7-6f-4. <br />7-6f-3 Revised 08/21/91 <br />