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� � OSTP Mound Design Wor sheet <br /> Minnesota Pollution O <br /> I�NIVERSITY ,� <br /> Controi Agency >1 / Slope OF MINNESOTA ' ��_,�`;;, <br /> 1. SYSTEM SIZING: ProjectlD: ���.p9.22 <br /> A. Design Ftow(F(ow&Soil- 1.A): 750 GPD ' '�"ABLE �Xd <br /> B. Soi/Loading Rate(F(ow 8 Soi(-3.C): O.bO GPD/ftZ jLOADiN RATES FOR DETERMINING BOTTOM ABSORPTION AREA <br /> AN ABSORPTION RATIOS USING PERCOLATION TESTS <br /> C. Depth to Limiting Condition: 1.0 ft Treatment Levei C 7reatment Level n,n•2,B, <br /> D. Percent Land S(ope: 7,� % ' Pe�coia on Rate Abwrption ���d ,nnsorPao� ��� <br /> � �� Area Loading �� tion Area Loading � <br /> Rate P Rate �bO� <br /> E. Design Media Loading Rote: 1.2 GPD/ftZ ' ���k:� Ratio ��ft,� Ratio <br /> F. Mound Absorption Ratio(Tab(e IXa): 2.00 i<o y - 1 _ � <br /> G.Design Contour Loading Rate: 12.0 GPD/ft ����5 �"2 � �_s i <br /> ''�0�to 5(fi sand 0_6 2 '1 1.6 <br /> Table I --and loamv ine sand <br /> �dOUND CONTOUR LOADING RATES: 6 to i5 OJ8 1.5 1 1.6 <br /> btoasurnd ' Tozturo�deriv9d ��'�t:fur :i6to30 0.6 2 0.78 2 <br /> Pgrc Raro aR mound absorption ratio �����n� '�3�to 45 <br /> Rate: 0.5 Z.4 0.78 2 <br /> 1�6 to 60 0.45 2.6 0.6 2.6 <br /> s�.Or'�lui LQ. i.i.L0.2.-1.2.5 _lL <br /> �,6t to t20 - 5 0.3 5.3 <br /> 51-12C r,lPi OP, 5.0 �t�? ?120 ' ' - . <br /> ''��'��?`� •s�' =f" 'Systems with the values are not Type i systems. Contour Loading Rate(linear <br /> loading rate)is a recommended value. <br /> 2. DISPERSAL MEDIA SIZING <br /> A. Catculate Required Disperw(8ed Area:Design Flow (1.A):Design Media L ading Rate (1.E)=ftZ <br /> If a larger dispersal media area 750 GPD: 1.2 GPD/ftZ = 625 ft2 <br /> is desired,enter size: �ftZ <br /> B. Calculate Dispersal Bed Width:Contour Loading Rote (1.G)=Design Media Loading Rate (1.E)=Bed Width <br /> 12.0 ft : 1. gpd/ftZ = 10 ft <br /> C. Calcutate Disperso[Bed Length: Disperwl Bed Area (2.A):Bed Width (2. =Bed Length <br /> 625 ftz = 10 ft = 63 ft <br /> D. Select Dispersal 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 Component Length (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 10.3 <br /> gal/ft results in 9 foot <br /> Adjust Contour Loading Rate on Design Summary page until this number is whote number wide bed. <br /> � ft: � ft= � ows <br /> �, Tota(Number of Components =Number of Components per Row X Number of Rows <br /> � X � �c ponents <br />