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� OSTP Mound Design Wor sheet <br /> UNIVERSITY <br /> Minnesota Poilution >1% Stope OF MINNESOTA <br /> Control Agency ��.�_�� <br /> 1. SYSTEM SIZING: Project ID: v 11.09.22 <br /> A. Design Flow(Flow&Soi(- 1.A): 750 cP� TABLE IXa <br /> B. Soi(Loading Rote(Flow&Soi(-3.C): 0.60 GPD/ftZ ;LOADI RATES FOR DETERMINING BOTTOM ABSORPTION AREA <br /> A D ABSORPTION RATIOS USING PERCOLATION TESTS <br /> C. Depth to Limiting Condition: 1.0 ft Treatment Level C Treatmerrc Level A,A-2,e, <br /> D. Percent Lond S(ope: 7,0 % '��. v���a�no�Race ^�O`P"O" p,b,,,,d �mvon ��� <br /> i Area Loading Area Loading <br /> � �. { q Ra[e Absorption Rate ��dOn <br /> E. Design Media Loading Rate: 1.2 GPD/ftZ ! <br /> (�h�) Ratio ���R�� Ratio <br /> F. Mound Absorption Ratio(Table IXa): 2.00 <o� _ � _ � <br /> G.Design Contour Loadinq Rate: 12.0 GPD/ft -�I�1O$ �'2 i i_6 � <br /> ::0 7 to 5(t e sand �6 2 � �.6 <br /> Table I 'and loa (�ne sa <br /> MUUND CONTCIUR LO�DItJG RATES: ;6 o i5 0.78 �.5 � 1.6 <br /> 1r,oawr�d ' Tcxture�dcr;ved Contour �'.t to 30 0.6 2 0.78 2 <br /> ?n��Rate �R mound absorption;atio Loading '.3S m 45 <br /> . Rata: � 0.5 2.4 0.78 2 <br /> to 60 Q.45 2.6 0.6 2.6 <br /> _60n'�pi 1.0. i.3.Z.0.2.d.L5 _12 <br /> i5t to t20 . 5 0.3 5.3 <br /> 51-12G mpi OP. S.p ct? ;>i20 - - - - <br /> = �-�'�'��" 'S�� 'S� 'Systems with the values are not T I <br /> ype systems. Contour Loading Rate(linear <br /> loading rate)is a recommended value. <br /> 2. DISPERSAL MEDIA SiZING <br /> A. Calculate Required Dispersal Bed Area:Design Flow (1.A):Design Media oading Rate (1.E)=ft2 <br /> If a larger dispersal media area �50 GPD= 1.2 GPD/ftz = 625 ft2 <br /> is desired,enter size: �ftZ <br /> B. Catcutate Dispersa(Bed Width:Contour Loading Rote (1.G)=Design Medi Louding Rate (1.E)=Bed Width <br /> 12.0 ft : 1, qpdiftz = 10 ft <br /> C. Calculate Disperwl Bed Length: Disperw!Bed Area (2.A):Bed Width (2. )=Bed Length <br /> 625 ftz : 10 ft = 63 ft <br /> D. Select Disperw(Media: <br /> E. If using a registered product, enter the Component Length: in: 12 = �ft <br /> F. If using a registered product,enter the Component Width: in: 12 = �ft <br /> G. Number of Components per Row =Bed Length (2.C)divided by Componen Lenqth (4.J) (Round up) <br /> � ft � � ft= �c mponents/row <br /> H. Number of Rows =Bed Width (2.6)divided by Component Width (4.K) (Ro nd up) Note:CLR of f0.3 <br /> ga(/ft results in 9 foot <br /> Adjust Contour Loading Rate on Design Summary page untit this number is whole number wide bed. <br /> � ft: � ft= �� ows <br /> �, Totat Number of Components =Number of Components per Row X Number of Rows <br /> � X � _ �c ponents <br /> I I <br />