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� <br /> OSTP Mound Design UNIVERSITY �.; ,-_�;� <br /> Minnesota Poilutirsn Worksheet OF MINNESOTA '� „�� <br /> Corrtrol Ager�cy <br /> 1. SYSTEM SIZING: <br /> A. ves3gn Flow(aes►�►s�mm�ry�a�: 600 GPD Tat�e l <br /> MOtk�iD CON7aUR LUADIli6 tiA3ES: <br /> B. Soil Lovding Rvte (oesign Sum.20): 0.60 GPD/fit� ` conm� <br /> i�oaAxod '� T�-derivod <br /> C. Depth to Limiting Condition: 1.5 ft �R`'�D � "'O��" � <br /> D. Percent Land Sl�e (Design Sum.2B): 8.0 � . 5�Pi �.o.�.a.z.o>Z.a,2.6 - s�i <br /> E. Design Media Loading Rote: 1.2 GPDlftZ 6�-1�o mPi at s.o s�2 <br /> F. A4ound Absorption Ratio: 2.0 ��zo�fi >s.o• - sb• <br /> G.Desfgn Contour Loading Rate: 12 GPD/ft <br /> 'Systems with these values are not Type i systems. <br /> (From Design Summary 2E-same as Linear Loading Rate) Contour Loadiru�Rate is a recommendcd val�. <br /> 2. DISPERSAL MEDIA SIZING <br /> A. Caiculate Required Di'spe►sal Bed Arec�:Des�gn Flow (1.A)=Design Medio Looding Rate (1.E)=ft2 <br /> if a targer dispersal media 600 GPD: 1.2 GPD/ftZ = 500.0 ftZ <br /> area is desired,enter size: �ft� <br /> B. Calwtate Dispersal Bed Wfdth:Contour Laading Rote (1.Gj�Design Medin l.00dir�Rote (1.E)=8ed 1Mtdth <br /> 12 ft : 1.2 gpd/tt2 = 10.0 <br /> C. Calcutate Disperscrl Bed Length: Dispersat Bed,4reo (2.A}:-8ed Width (2.6)=Bed Length <br /> 500.0 ft2 : 10.0 ft = 50.0 ft <br /> D. Select Dispersaf Medio: �- <br /> 3. ABSORPTION AREA SIZING <br /> Note:Ma�nd setbacks are measured from the Absorption Areo. <br /> A. Calculate Absorption Vi�idth:Bed INidth (2.6)X Mound Absorption Ratio (1.F)=Absorption►Mfdth <br /> 10.0 ft X 2.� = 20.0 ft <br /> B. For stopes from 0 to 1%,the Absorpt3on HRdth is meawred from the bed equatly in both directions. <br /> Calculate Absorption Width Beyond the Bed:Absorption�dth (3.A)-Bed N�dth (2.B)+2=M�idth beyond Bed <br /> ( N/A ft - N/A ft) = N/A = N/A ft <br /> C. For slopes>1%,the Absorption Width is rr�awred d�vnhitl from the upslope edge of the Bed. <br /> Calcutate Downslope Absorption VWdth:Absorption W3dth (3.A)-Bed YWdth (2.B)=ft <br /> 20.0 ft - 10.0 ft = 10.0 ft <br /> Comments: <br /> Slope,CLR Choice,A�oterial is�sues <br />