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, �. OSTP Mound Design Worksheet <br /> MinnesotaPollution p UNIVERSITY ,�y . <br /> Control Rgency >1 / Slope OF MINNESOTA '=�i,,;.; <br /> 1• SYSTEM SIZING: Project ID: v 11.09.22 <br /> A. Design Flow(Flow&Soil- f.A): 750 �Po TABLE IXa <br /> B. Soil Loading Rate(Flow&Soil-3.C): 0.60 GPD/ftZ LOADING RATES FOR DETERMINING BOTTOM ABSORPTION AREA <br /> AND ABSORPTION RATIOS USING PERCOLATION TESTS <br /> C. Depth to Limiting Condition: 1.$ ft Treatment Level C Treatmenf Level A,A-2,B, <br /> Percolatlon Rate Absorption Absorption <br /> D.Percent Lond Sfope: 12.0 % Area Loading �'�O°°d Area Loading �"0und <br /> ���� Rate Absorption Rate �S°rp�ion <br /> E. Desi n Medio Loodin Rote: 1.2 GPD/ftZ ' aac�o aac;o <br /> g g (gpd/k') (3P�ft') <br /> F. Mound Absorption Rotio(Table IXa): 2.00 •=�� - 1 - � <br /> OtloS 'I.2 1 1.6 1 <br /> G. Design Contour Loading Rate: 12.0 GPD/ft ' <br /> �0�to 5(fine sard 0.6 2 1 1.6 <br /> TaC�la I ��anC ioarrn Ime sand) <br /> /AOUt1U IONTOUF LOADIN�FATES: o`��=� 0.78 'I.5 1 1.6 <br /> +.•.o.,w��i � -r.,.titr4.. !-en[�w i6to30 0.6 2 0.78 2 <br /> d2rivpd <br /> n- �-;� Luzdtr.� <br /> _,� .,� :��.,ou;,d auso�pt+ro r-at;c 31 to45 0.5 2.4 0.78 2 <br /> Rate: <br /> ��»u to 60 0.45 2.6 0.6 2.6 <br /> -60n�n- i.�. ..... '_.�.�.-..t.6 c72 <br /> r>>to t2p _ 5 0.3 5.3 <br /> �t-ILL rnpi .r 5 0 _�� j�20 ' " ' ' <br /> � �<<'����'' ;-�' - 'Systems with these 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 Dispersol Bed Areo:Design Flow (1.A):Design Media Loading Rate (1.E)=ft2 <br /> If a larger dispersal media area 750 GPD: 1.20 GPD/ftz = 625 ftz <br /> is desired,enter size: �ft2 <br /> B. Calculate Dispersa(Bed Width:Contour Loadrng Rate (1.G)=Design Medro Loadinq Rate (1.E)=Bed Width <br /> 12.0 ft : 1.2 �pd/ftZ = 10 ft <br /> C. Calculate Dispersal Sed Length: Dispersal Bed Areo (2.A):Bed Width (2.6)=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= �components/row <br /> H. Number of Rows =Bed Width (2.B)divided by Component Width (4.K) (Round up) Note:CLR of 10.3 <br /> Adjust Conteur Loading Rate on Design Summary page until this number is a whole number ga1�ft results in 9 foot <br /> wide bed. <br /> � ft: � ft= � rows <br /> �, Tota(Number of Components =Num6er of Components per Row X Number of Rows <br /> � X � ��components <br />