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OSTP Mound Design Worksheet <br /> Minnesota Pollution p UNIVERSITY : � <br /> Controi Agency >1 / Slope OF MINNESOTA �� <br /> ._��;., <br /> 1. SYSTEM SIZING: Project ID: ��� �9 22 <br /> A. Design Flow(Flow&Soi(- 1.A): 750 �Po TABLE IXa <br /> B. Soi(Loading Rate(Flow&Soif-3.C): 0.45 GPD/fiZ ;LOADING RATES FOR DETERMINING BOTTOM ABSORPTION AREA <br /> AND ABSORPTION RATIOS USING PERCOLATION TESTS <br /> C. Depth to Limiting Condrtion: 1.2 ft ' Treatment Level C Treatment Level A,A-2,B, <br /> D.Percent Land Slope: 6.0 ;� Perco�aton Rate Absorption ���d nbspry�ion �und <br /> Nea Loading Area Loading <br /> ' (MPq Rate Absorption Rate �wrytion <br /> E. Design Media Londing Rate: 1.2 GPD/ft2 '� ���h,� Rano ��d�k,� R�;o <br /> i <br /> F. Mound A6sorption Ratio(Table IXa): 2.60 !m� . � _ � <br /> G. Design Contour Loading Rate: 12.0 GPD/ft 'o i co s �.2 i i 6 i <br /> '0'I to 5(fine sard 0 6 2 � �6 <br /> Table 1 ana!oamv line sand <br /> fdUUND CUNTOUR LOADiNG R,ATES: ��o�5 0.78 1.5 1 1.6 <br /> !.teawred ' Tc,z:ur�•dariv9A Con[our ��6 to 30 0.6 2 0.78 2 <br /> ?erc Rato �R !nound absorp.iGn ratio ���`'���� -3�[0 45 <br /> . Rat�: 0.5 2.4 0.78 2 <br /> :6 to 60 0.45 2.6 0.6 2.6 <br /> -50'11D; I.11. i.�.<.0.2.J.2.5 `I2 <br /> , 6i ro i2C - 5 0.3 5.3 <br /> �1-t2Cnipi UR 5.0 :t2 '�t20 - - - - <br /> ' �20,;'p'• ,s`'• -h' 'Systems wi[h these values are not Type I systems. Contour Loading Rate(linear <br /> loading ra[e)is a recommended value. <br /> 2. DISPERSAL MEDIA SIZING <br /> A. Calculate Required Dispersal Bed Area:Design F(ow (1.A):Design Medio Loading Rate (1.E)=ftz <br /> If a larger dispersal media area 750 GPD: 1.20 GPD/ftz = 625 ft2 <br /> is desired,enter size: <br /> ��ftZ <br /> B. Calcutate Dispersa(Bed Width_Contour Loading Rate (1.G):Desiqn Media Loading Rate (1.E)=Bed Width <br /> 12.0 ft : 1.2 �pd/ftZ = 10 ft <br /> C. Calculate Dispersa(Bed Length: Dispersa(Bed Area (2.A):Bed Width (2.8)=Bed Length <br /> 625 ftZ : 10 ft = 63 tt <br /> D. Select Disperso(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 =8ed Length (2.C)divided by Component Length (4.J) (Round up) <br /> � ft : � ft= �components/row <br /> H. Number of Rows =Bed Width (2.6)divided by Component Width (4.K) (Round up) Note:CLR of f0.3 <br /> Ad�ust Contour Loadin Rate on Desi n Summa gal/ft resu(ts in 9 foot <br /> J Q g ry page untit this number is a whole number �de bed. <br /> � ft' �� ft= � rows <br /> I, Totvl Number of Components =Number of Components per Row X Number of Rows <br /> � X �� _ �components <br />