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OSTP Mound Design jJNIVERSITY , �\- ;� <br /> nr�"���o�, �/Ot'�CSf'1@et oF MirrNEsoTA ' �''� _= �_, <br /> co�o�Aye�y ��:z,�. <br /> 1. SYSTEM SIZING• <br /> A. Des�gn Ftow(Destqn Summory�.4): 450 GPD Tab1e 1 <br /> rKouNo coxrou�e�oaorwG w��s: <br /> B. Soi(Loodrng Rate (Desfgn Sum.2D): 0.60 GPD/ft� � Contour <br /> Moawrod ToXturo-doifvod <br /> C. Depth to Limiting Condition: 2.0 ft �`�� oR '"01/���O"''" �r� <br /> Ratc: <br /> D.Percent Lar►d Slope (Design Sum.28): 10.0 % S�Pi �.o,�.a,z.o.Z.a,2.6 >>2 <br /> E. Deslgn Media Loading Rete: 1.2 GPD/ftZ 6�-�2v rnpj oR s.p ,tz <br /> F. Mound Absorption Rodo: 2.0 ,�2o mpi. :5.0, .6• <br /> G. Design Contour Looding Rate: 12 GPD/ft ' <br /> 'Systems with these values are not Type I systerr►s. <br /> (From Design Summary 2E-same as Linear Loading Rate) Contour toadir�g Rate is a recommended value, <br /> 2. DISPERSAL MEDIA SIZING <br /> A. Calcutate Recryired Disperw!Be,d qren:pesign Flow (1.A):Design Media Loading Rate (1.E)=ftZ <br /> If a larger dispersal media 450 GPD= 1.2 GPD/ftZ = 375.0 � <br /> area is desired,enter size; 380 ft� <br /> B. Calculate Dispersat Bed Width:Contour Looding Rate (1.G):O�esign Medio Loading Rate (1.E)=Bed VYidth <br /> 12 ft = 1.2 gpd/ft� = 10.0 <br /> C. Calcutate Dispersa(Bed Length: Dispersal 8ed Areo (2.A)=Bed Width (2.6)=8ed Length <br /> 380.0 ftz = 10.0 ft = 38.0 ft <br /> D. Select Dlspersai Media: �- -� <br /> 3• ABSORPTION AREA SIZING <br /> Note:Mound setbacks ore me�ured from the Absorption Are+o. <br /> A. Catcutate Absorption IN9dth:Bed INfdth (2.B)X Ma�und Absorption Ratio (1.F)=A�orpt�on Width <br /> 10.0 ft X 2.00 = 20.0 ft <br /> B. For slopes from 0 to 1%,the Absorptior�INidth is meawred from the bed equatly in both directions. <br /> Catcutate Absorptton Nrydth Beyond the Bed:Absorption Width (3.A)-Bed 1N�dth (2.6)+2=YV�dth beyond Bed <br /> ( N/A ft - N/A ft> = N/A = N/A ft <br /> C. For slopes>1%,the Absorption YWdth is measured drnvnhill from the upslope edge of the Bed. <br /> Calculate Dawnslc�e Absorption YVidth:Absorptfon Width (3.A)-Bed N�9dth (2.6)=ft <br /> 20.0 ft - 10.0 ft = 10.0 ft <br /> Comrt�ents: <br /> Slope, CLR Choice,Moteria(issues <br />