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� OSTP Mound Design Worksheet <br /> UNIVERSITY -' , <br /> Minnesota Pollution >1% Slope OF MINNESOTA �`�' <br /> Control Agency ,..��.��., <br /> 1• SYSTEM SIZING: ProjectlD: v 11.09.22 <br /> A, Desiqn Ffow(Flow Ft Soi(- 1.A): 750 �P� TABLE IXa <br /> B. Soi(Looding Rate(F(ow&Soil-3.C): O.GO GPD/ftZ �'LOADING RATES FOR DETERMIN�NG BOTTOM ABSORPTION AREA <br /> AND ABSORPTION RATIOS USING PERCOlAT10N TESTS <br /> C. Depth to Limiting Condition: 1.7 ft I Treatment Level C heatment Level A,A•2,B, <br /> D. Percent Land Slope: $,0 % , Percolatlon Rate ��rption ���d a,sorpno� ��� <br /> (�1) Are Raoading ��rption Are RLoeding ��rpaon <br /> E. Design Media Loading Rote: 1.2 GPD/ftZ ! ���ft:� Rana ���k,� eac;o <br /> F. Mound Absorption Ratio(Table IXa): 2.00 '<o� _ � _ � <br /> G.Design Contour Loading Rate: 12.0 GPD/ft io.,co s �.2 � a.s 1 <br /> �0.7 to 5(tine sar.d 0.6 2 1 1.6 <br /> T�ble l antl loa -fine sa <br /> MOUND CUNTOUR LQt�DiNG RATES: ��o�5 0.78 1.5 � 1.6 <br /> '.Aasurod ' Toxturo.dpiived Cantaur 'r to 30 0.6 2 0.78 2 <br /> OR Loadir.g <br /> Perc Rats moun�acsorpticn r ado 3?to 45 0.5 2.4 0.78 2 <br /> �ia[e: <br /> «3 to 60 0.45 2.6 0.6 2.6 <br /> =6�rl;v�i I.u. �.,.?.0. 2.J. 2.5 ct2 <br /> 6t to t20 - 5 0.3 5.3 <br /> a1-12G n�pi OR S.0 ct;: �.»20 - - - - <br /> ,=;'�,"'� •`!'• h' '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 Dispersa(Bed Areo:Desiqn Flow (1.A):Design Media Loading Rate (1.E)=ft� <br /> If a larger dispersal media area 750 GPD: 1.20 GPD/ftZ = 625 ft� <br /> is desired,enter size: �ftz <br /> B. Calculate Disperw(Bed Width:Contour Loadinq Rate (1.G):Design Medio loading Rate (1.E)=Bed Width <br /> 12.0 ft = 1.2 gpd/ftZ = 10 ft <br /> C. Catculate Dispersa(Bed Length: Dispersal Bed Area (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 (2.6)divided by Component Width (4.K) (Round up) Note:CLR of f0.3 <br /> gal/ft results in 9 foot <br /> Adjust Contour Loading Rate on Design Summary page until this number is a whole number wide bed. <br /> � ft: �] ft= �� rows <br /> �, Total Number of Components =Number of Components per Row X Num6er of Rows <br /> � X � _ �components <br />