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_ �STP Mound Design Worksheet <br /> l` UNIVERSITY :� p � �� <br /> M�nnesota Poilution p � �y V <br /> ControlAgency >1 / Slope OF MINNESOTA };_"'.-:-;;..�,�`� <br /> . � <br /> 1. SYSTEM SIZING• Project ID: .v 11.09.22 <br /> A.Design Flow(Flow 8 Soil- 1.A): 750 GPD i TABLE �Xa <br /> B. Soi(toading Rote(F(ow&Soi(-3.C): 0.45 �pp/� �LOADING RATES FOR DETERMINING B07TOM ABSORPTION AREA <br /> I AND ABSORPTIONRATIOS USING PERCOLATION TESTS <br /> C.Depth to Limiting Condition: 1.2 ft i Treaunerrc�e�c Trea[meM Level A,n-z,e, <br /> D.Percent Land 5(ope: 5.0 % � Peroolatlon Rate ae^�0��g qy�lind A���� �u„� <br /> swytion ADsorption <br /> E. Design Media Loading Rote: 1.2 GPD/ft2 (�t) � R�ft=) ��� (��) a� <br /> F.Mound Absorption Ratio(Table IXa): 2.60 <o.i _ � _ � <br /> G.Design Contour Loading Rate: 12.0 GPD/ft o i co s �.y � �6 i <br /> 0.1 to 5(fi�e sand 0.6 2 � �.6 <br /> Tab1e 1 ,antl ba fine sana <br /> MOUND CONTOUR iOADING RA?ES: �s to t5 0_78 �.5 � �,5 <br /> 1.teawred ' Teuturo-doriv2d Contour '16 to 30 0.6 2 0.78 2 <br /> Aerc Rat9 �R mound absorpiion raY �O��n� �31 to a5 0.5 2A 0.7H 2 <br /> R�t4; i <br /> �46 to 60 O.d5 2.6 0.6 2.6 <br /> �60mpi 1.0,t.3.2.0.2.4.2.6 _12 <br /> � 6'I to 120 _ 5 0.3 5.3 <br /> 6t•126 mpi C1R 5.0 zt2 �>i2o - - - - <br /> �i2o mp> ;5.0' c5' 'Systems with these values are not Type I systems. Contour Loading Rate(linear <br /> loadirig rate)is a recommended vatue. <br /> 2. DISPERSAL MEDIA SIZING <br /> A. Calculate Required Dispersai Bed Area:Design F(ow (1.A)=Design Media Loading Rnte (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 Dispersa!Bed Width:Contour Loading Rate {1.G):Design Media Loading Rvte (1.E)=Bed Width <br /> 12.0 ft : 1.2 gpd/ft2 = 10 ft <br /> C. Catculate Dispersal Bed Length: Dispersat Bed Area (2.A):Bed Width (2.6)=Bed Length <br /> 625 �tz : 10 ft = 63 ft <br /> D. Select Dispersal Media: <br /> E. If using a registered product,enter the Component Length: ��in: 12 = C�ft <br /> F. If using a registered product,enter the Component�dth: ��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= �_�componentslrow <br /> H.Number of Rows =Bed Width (2.6)divided by Component Width (4.K)(Round up) Note:CLR of 10.3 <br /> Adjust Contour l.oading Rate on Design Summary page until this number is a whole number 3al/ft resu(ts in 9 foot <br /> wide bed. <br /> � ft' C� ft= � rows <br /> I. Tota(Number of Components =Number of Components per Row X Number of Rows <br /> � X C� _ �_�components <br />