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� OSTP Mound Design Wor sheet <br /> Minnesota Pollution 0 UNIVERSITY ' <br /> >� � S�Ope OF MINNESOTA �'^ �"` �"� <br /> Control Agency �'+_�`�- <br /> 1. SYSTEM SIZING: Project ID: v 11.09.22 <br /> A. Design Flow(F(ow&Soil- 1.A): 750 GPD TABLE �Xa <br /> B. Soi(Loadinq Rate(Flow&Soil-3.C): O.GO GPD/ft2 LOADIN RATES FOR DETERMINING BOTTOM ABSORPTION AREA <br /> AN ABSORPTION RATIOS USING PERCOLATION TESTS <br /> C. Depth to Limiting Condition: �.� ft Treatment level C Treatment�evel A,A-2,s, <br /> D.Percent Land Slope: 6.0 % ^�"O" Absorpdon <br /> ' Percola n Rate Abund Ahound <br /> Area Loading Area Loading <br /> ' � �� Rate Absorption Rate Absorption <br /> E. Design Media Loading Rate: 1.2 GPD/ft2 !, ��dirc=� Ra°° (qpd/(t�) Ran° <br /> F. Mound Absorption Ratio(Tabte IXa): 2.00 '<o i _ 1 _ � <br /> i0 1 to 5 �.2 1 '1.6 1 <br /> G.Design Contour Loading Rate: 12.0 GPD/ft <br /> ��0 1 to 5(6 sard 0.6 2 1 i.6 <br /> Table I �'�.ana loa � ne san <br /> MOUND CQNTUUR LOaDING RATfS: s,o is o.78 1.5 � 1.6 <br /> r.toawresd ' Tcx[ure�darived Coniour ?6 to 30 0.6 2 0.78 2 <br /> .o�c P.at4 `'R a:ou�absorpt:cn rat:p Loadfig �3i to45 0.5 2.4 0.78 2 <br /> . R�t?: <br /> �:»6 to 60 0.45 2.6 0.6 2.6 <br /> _5;n��ip± I.O. 1.3.L.O.Z.J.2.5 ci2 <br /> j61 to 720 - 5 0.3 5.3 <br /> bt-126mpi OF 5.0 :t� �..i,>'120 - - - - <br /> � �=����a'' �`��' =�" '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. Calculate Required Disperso(8ed Area:Design Flow (1.A):Design Media L ding Rate (1.E)=ftZ <br /> If a larger dispersal media area 750 GPD: 1.2 GPD/ftZ = 625 ftZ <br /> is desired,enter size: <br /> ftZ <br /> B. Catcutate Disperso(Bed Width:Contour Loading Rate (1.G)=Design Medi Loading Rate (1.E)=Bed Width <br /> 12.0 ft = 1. gpd/ftZ = 10 ft <br /> C. Calculate Disperwl Bed Length: Dispersai Bed Area (2.A):Bed Width (2. )=Bed Lenqth <br /> 625 ft� = 10 ft = 63 ft <br /> D. Select Disperwl 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) (Raund up) <br /> � ft : � ft= �c mponents/row <br /> H. Number of Rows =Bed Width (2.B)divided by Component Width (4.K) (Ro nd up) Note:CLR of 10.3 <br /> Ad�ust Contour Loadin Rate on Desi n Summa gallft results in 9 foot <br /> � g g ry page until this number is whole number wide 6ed. <br /> � ft: � ft= � rows <br /> �, Toto!Number of Components =Number of Components per Row X Numbe of Rows <br /> � X � �c mponents <br />