Laserfiche WebLink
• OAKBRUSH <br />COVER <br />VEGETATIVE COVER % 70.4 <br />LITTER % 25.9 <br />GROUND COVER °0 96.3 <br />TABLE 2-2D-RUNOFF CURVE NUMBERS FOR ARID AND SEMIARID RANGELANDS <br />COVER TYPE -OAK-ASPEN -MOUNTAIN BRUSH MI%TURE OF OAK BRUSH, ASPEN, ETC. <br />HYDROLOGIC CONDITION FAIR <br />SOIL TYPE - SARATON LOAM C <br />CURVE NUMBER 60 <br />DISTURBED <br />TABLE 2-2A-RUNOFF CURVE NUMBERS FOR URBAN AREAS <br />HERBACEOUS - MI%TURE OF GRASS WEEDS, ETC. POOR <br />SOIL TYPE - DELSON -VERY STONY LOAM C <br />CURVE NUMBER 87 <br /> RUN-OFF VOLUME - -POND I <br /> PRECIP DIRECT RUN-OFF <br /> AREA ACRES CURVE # AMOUNT RUN-OFF VOL A-F <br />• DISTURBED (R3) 2.29 87 I.7 0.68 0.13 <br /> DISTURBED (RI) 5.89 87 I.7 0.68 0.33 <br /> DAKBRUSH (02) 5.69 60 1.7 0.02 0.01 <br /> MIxED SHRUB (MSU 2.19 60 I.7 0.02 0.00 <br /> MI%ED SHRUB (MS2) 0.35 60 1.7 0.02 0.00 <br />TOTAL 16.41 <br />TOTAL REQUIRED WATER VOLUME - - A-F <br />SEDIMENT VOLUME -POND I <br />USE THE UNIVERSAL SOIL LOSS EQUATION. <br />A=RKLSCP <br />R =RAINFALL FACTOR <br />K =SOIL ERODIBILITY FACTOR -WORK SOIL <br />LS =COMBINED LENGTH SLOPE FACTOR 721' - 25% <br />C =CROPPING MANAGEMENT FACTOR -FIGURE 7 <br />P =EROSION CONTROL PRACTICE FACTOR <br />A =SEDIMENT, TONS/ACRE/YEAR <br />THREE YEAR SEDIMENT VOLUME -ACRE FEET <br />16.41 ACRES - IIS #/CF <br />• TOTAL REQUIRED SEDIMENT POND CAPACITY -- AF <br />VOI $A -Tab Pond Volumes <br />W-2- <br />TR-3 ~ <br />/a~3/o I <br />0.48 <br />0.48 <br />30.00 FIGURE 2 <br />O.IS HRRHER 8 ASSOC., DELSON STONY LOOM <br />16.00 FIGURE L <br />O.O FIGURE 7 <br />.OO FIGURE 10 <br />7.20 <br />0.142 <br />9101 <br />