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Mound Design Worksheet 21% Slope <br /> 1. SYSTIM sear k. Fife S: SMOM17 <br /> A.Design Row: 600 GPD TABLE UGs <br /> B. Soil Loading Rate: .60 ttt� -ARM . <br /> -Ilam"� '"�' <br /> C. Depth to Limiting Condition: 1.0 T" _ <br /> D.Percent Land Slope: 5.0E. Design Design Media Loading Rate: 1.2 Ife <br /> F.Mound Absorption Ratio- 2.00 ,.z , <br /> 1 b60� 0.O = 1 1A <br /> MOW"O GON'rOilR LA31 t RATES. w» s.ss to i 7 e <br /> Aff,amouw-d Ta.Rb/110-did Ga.1�Yr 10 W OA 2 0.7ti Z <br /> V%wc RaxO OR /110Yf a O✓OfdfP%*"-rag <br /> 1.3.a.0- a..1.2.16 - s 12 <br /> ".rw - <br /> . ...o.- L6_ 5yst- a with dwse values are not Type I systems. Comair <br /> Rate 01mw kmdft rate is a reaommxW value. <br /> 2. DISPERSAL MEDIA SIZING <br /> A. Calculate Dispersal Bed Mea: Design Row=Design Media Loading Rate=fe <br /> ®GPD + PDJR= <br /> If a larger dispersal media area is tiogmo,enter st w. <br /> B. Enter Dispersal Bed Width: t Can not exceed 10 feet <br /> C. Calculate Contour•Load Rate- Bed Width X Design Media Loading Rate <br /> 16- rex 1.2 mme = 1 12.0 jgaUft Can not exceed Table f <br /> D. Caudate Minimum Dispersal BedBed Area +Bed Width =Bed Length <br /> f0.0 ft =r 50.0 Ift <br /> 3. ABSORPTION AREA SIZING <br /> A. Calartate Mgggen WWth: Bed Width X Mound Absorption Ratio =Absorption Width <br /> 10.0 Ift X1 2.0 1 = 27.0 ft(increased from 20) <br /> B. For slopes>1%,the Absorption W kkh is measured downhill from the upstope edge of the Bed. <br /> CalaAate Downslope Absorption Width:Absorption Width -Bed Width <br /> I Z7.0 ft - 10.0 ft = ft <br /> 4. DISTRIBUTION MEDIA:ROCK <br /> A. Rock MM& <br /> aDepthOdn Rhkibution Pipe <br /> in I M5 Ift <br /> 5. MOUND SIZMG <br /> A. Calculate MMimim Clean Sand Lift 3 feet minus Depth to Limiting Condition =Clean Sand lift <br /> 3.0 ft - ft =r__73=j ft Design Sand Lift(optional): ft <br /> B. t:Clean Saeid Lift + of Medi+ of Cover cover(1 ft) <br /> ft + 0.4 ft + 1��[ ft= 1 3.9 Ift <br /> Bean Mtd ori land <br /> Land Slo % O i - 2 3 4 •5 6 3.85 7 8 9 10 11 12 <br /> Llpzlopa Berm 3:1 3.00 2.91 2.83 2.75 2.68 2.61 2.54 2.48 2.42 2.36 1 231 2.26 2.21 <br /> natio 4:1 I 4.00 I 3.85 1 3.70 1 3.S7 I345I 3.33 1 3.23 1 3.12 1 3.03 1 2.94 1 2.86 1 2.78 2.70 <br /> D. CalaAate Upalope Berm Width:Multiplier X Upslope Mand Hei -tW=Berm Width <br /> 3.85 Ift X1 3.9 ft 5.0 Ift <br /> E. Cataate Drop in QWation Under® =Drop <br /> ft X 100=� <br /> ft <br /> F. Caudate Dovmslope Mound Hei t: U rs Height+Drop in IUevation =Dovvnslope Height <br /> 3.9 ft +1 0.50 ft = ft <br /> G.Select Downslope Berm NAtOW(based on land slope): <br /> Land Sb IK O 1 2 3 4 s 6 7 8 9 10 11 12 <br /> Uownslopa 3:1 3.00 3.09 3.19 3.30 3.41 3.53 3.66 3.80 3 93 4.1i 4_29 4.48 4.69 <br /> Barin Ratio 4:1 4.00 4.17 4.35 4.34 4_76 5.00 5.26 5.56 5.88 6.25 6.67 7.:LA 7.69. <br /> H. to Downslope Berm :11Arr ier X Dow H. t =Downsl Berm VVIdth <br /> X 1 ft = ft <br /> 1. Caurtate Animum Berm to Cover Area: Downslope Absorption Width+4 feet <br /> 17.0 Ift +1 4 Ift ft <br /> J. Design Downslope Berm-greater of 4H and 41: 21.0 Ift <br /> K. Select Endslope Berm Multiplier. (sawlty 3.0 or 4.0) <br /> L. Catculate&KMope Berm X Dow�n-.� Mound Height = Berm Width <br /> L 3 ft X�ft = 15. ft <br /> AL Caudate Mound Width: Berm Width+Bed Width+ Berm Width <br /> .pgM15.0 ft +��_ 1 ft + ft =1 _�ft <br /> N. Galculate Mound Length:P2NM Berm Width +Bed +EnddopeBerFnVAdtJh <br /> 15.0 ft +1 50-V Ift +1 15.0 1 ft = ft <br />