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10i09%97 15:36 MILLE LACS HEALTH SYSTEM -� 61 4730510 No. 163 905 <br /> MOUND UESIGN WORK511EET <br /> (1•or Plows tip tv 12M gpd) <br /> ^. FLOW &Ilatatd sewage ruwa Is Valts"pet <br /> 1Ud1 <br /> lsstimilled �_ gild ri;w 1�t11 T"tla >Neal Tl� <br /> fit <br /> or measured _x 1.4 = glad. Wams <br /> %a So Ise <br /> IS. tilWTI�: TANK LIQUIU VOWM1.s5 : N� '113 1% <br /> .y 'TIN' 9 <br /> g 1,2 t14 <br /> �IIUI13 t Inqu Guo 370 t <br /> law Ala 4 m <br /> C. SOILS(refer to site evaluation) LIKOW <br /> I. Depth to restricting layer 3 inches _ I feet s.ak•t>.1litcor tlllttllnsaftwol <br /> 2. l7cptll tl(percolollon lests - 14 illelles l+attlINt Itt hilaimaio lJoald Ll"Idtgwhy% <br /> 9edinwta Ctgtdy �rbr�t 4lapett <br /> .l. Texttlrew,CAAZ -Z-&A,4 _ I'emolltion rate nlpi <br /> 2 W Irpo )111 1124 <br /> 4. Land slope '%► 4 a.+ ea>o I <br /> I SOI) <br /> Retial <br /> A t S <br /> 1. Multiply flow rate by 0.83 to obtain required area of rock layer: A x 0.83 = <br /> cio ___ gpd x 0.83 sq. ft./gpd - Atazrsq. ft. <br /> 2. Select width of rock layer(max 10' if <120 trip! max 5') -J ft. <br /> ;1. L.eiigth of ruck layer = area + width - It , <br /> ft. + — o— ft. — . ft. <br /> Width -10 ft Length <br /> c 120mpi <I V g <br /> >120111pi <5' <br /> E. ROCK VOLUME <br /> 1. Multiply rock area by rock depth to get cubic feet of rock; ri'116-sq. ft. x� <br /> ft. _ 'r cu. It. <br /> 2. Divide cu. it. by 27 cu. ft./cu.yd. to get cubic yards; <br /> r cu. ft. +27= ��3_cu. yd. <br /> 3. Multiply cubic yards by 1.4 to get weight of ruck in tons;�.cu. yd. x 1.4 <br /> toll/cu. yd. _ tuns. <br /> f'. ADSORPTION WIDITI AI„tt�tuM,cadlealattlat>�e <br /> i. r ercOation rate in lop 12 inches of Soil is -LAL it h+.ommal lock <br /> Miran��.!!t tack ti:t testae ts++M+l't► s4�b tp Rr <br /> IAIIYI eq+etr Ind IL tlid <br /> Texture.d0>r": <br /> r..tt.1hn v.I cm.a SwO 1 m 1 nu <br /> r : ..a j i ago <br /> 2. 5ttlet:t a1luti+rable soil loading rote from table; <br /> c„I_. stud I s>: <br /> gpd/ft, 11to0 3 'Mar"N 030 z10 <br /> 4A or AO Oxy Lfww 04! lel <br /> fog*I2t+ <br /> ` Ak■srd.a IlQ t7h 070 <br /> 3. Calculate adsorption widlll ratio by dividing ruck layer <br /> loading rate of 1.20 gpd/ft2 by l,llclwabie stele Ititlding rate; <br /> 1.20 gpd/flt+ o a gpd/f11 _ <br /> 4. Multiply adsorption width ratite by rock layer widdl to get <br /> required adsorption width; <br /> J, x _�, ft = —Loa-ft <br />