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�� OSTP Mound Design Worksheet <br /> Minnesota Poltution p UNIVERSITY <br /> Cantrol Agency >1 / Slope OF MINNESOTA ;,��.,� <br /> 1. SYSTEM SIZING: Project ID: v 12.08.Ob <br /> A.Deslgn F(ow: 750 GPD TABLE IX� <br /> B. Soil Loading Rnte: 0.50 GPDlft2 LOADRIG RA7E5 FOR DEfERMINING BOTTOM ABSORPTIQN.RREA <br /> AND,ABSORPTION RATIOS USING PERGQLATION tESTS <br /> C.Depth,to Limiting Condition: 1.2 ft 7YeatmeM Levai C TreatmeM Lavei A,�.z,s� <br /> D.Percent Lnnd 5(ope': 12.0 % va*�w�a+asu "�O" M,u„e 14bS0f�O" ue„n,a <br /> (MPt) Arn Loadir� Abrorption ��O� AbwrpNon <br /> E. Design Media Loading Rate: 1.2 GPD/ftZ ��1� �° ��a� �° <br /> F.Mound Absorptlon Ratio(Table IXa): 2.40 �m.s - � - � <br /> G.Design Contour Loading Rate: 12.0 GPD/ft <br /> Eo.+ro s is � �.e � <br /> o.�w s�rme sana <br /> T�p� iantl Ioa fine sa a.6 2 1 1.6 <br /> A101tt�9 CONYOUR LOhDtMG RATES: fi,018 0.78 1.5 1 1.8 <br /> _ __ <br /> �� ' ,����-�� CoMour �s to 30 0.8 2 4.78 2 <br /> �� � ���P�+'+� � i3;to 45 0.8 2.4 0.78 2 <br /> i4B to 80 0.45 2.6 0.8 2.8 <br /> s60rt�si 1.8,1.3,2.Q,2.a,2.6 w12 <br /> 6�to s20 . 6 0.3 S.S <br /> 51-tZOmpi tMt 5.Q st2 >12D - - - - <br /> >�2o mpr• �5_0' sb• "Systems with these values are not Type I systems. Contour Loadi�g Rate(linear <br /> loading rate)is a recommended value. <br /> 2. DISPERSAL MEDIA SIZING <br /> A. Calculate Required Dispersa(Bed Area:Design Flow (t.A)=Design Medio Loading Rote (1.E)=ft2 <br /> If a larger dispersal media area �� GPD� 1.20 GPD/ftZ = 625 ft� <br /> is desired,enter size: 630 ftZ <br /> B. Catculate Disperwf Bed Width:Contour Loading Rate (t.G}+Design Media Loadinq Rate (1.E)=Bed Width <br /> 12.0 ft : 1.2 gpd/ftZ = 10 ft <br /> C. Calculate Disperso(Bed Length: Dispersol Bed Area (2.A)=Bed Width (2.B)=Bed Length <br /> 630 ft2 + 1 Q ft = 63 ft <br /> D. Enter D�sperwl Media: rock <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. Num6er of Rows =Bed Width (2.6)divided by Component Width (4.K)(Round up) <br /> Adj�t Contour Looding Rote on Desfgn Summary page unti(this number is a whole number. Note:CLR of 10.8 gvl/ft results in 9 foot wide 6ed. <br /> � ft: � ft= � raws <br /> �, Tota!Num6er of Components =Number of Components per Row X Number of Rows <br /> � X � _ �components <br />