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. ," .7 <br /> MOUND DESIGN WORKSHEET <br /> (For Flows up to 1200 gp.i) <br /> A. FLOW Ev6mx. <br /> imat.:al Serene n ne Flaunt us Galloper <br /> Estimated looC gpd c"01 <br /> • <br /> or me cared .x 1.3 = gpd. a e,ro0om. 7.p.1 I r,p.u TYpo In <br /> 2 370 ' J 180 <br /> B. S TANK LIQUID VOLUMES 3 a 0 700 211 <br /> /_ +� 0)0 4315,; :.76 <br /> • <br /> - - /000 gallons -r .�o <br /> .6 900 32.3 3)2 <br /> 7 IU!U 600 370 <br /> C. SO (refer to site evaluation) s 1200 673 •�a <br /> 1. D pth to restricting layer = 0,2`/- inches '`r e-'w-.--OMR. <br /> eerd1---,....:4.-t..... {fes•r-Y <br /> 2. D pth of percolation tests = /2 inches W• --. <br /> 3. P rcolation rate .26.62 moi :••- 7p 111.3 <br /> 1+• 1Q0 1/0 <br /> 4. La.nd slope l-O °id ,si:+ w <br /> D. ROCK LAYER DIME\iSIONS <br /> 1. Ni tiply flow rate by 0.33 to obtain required area of rock <br /> layer: A x 0.33 = <br /> gco gpdx0.33sq. ft./gpd = eco sq. f?. <br /> 2. `' !ect width of rock !aver (10 feet or !L-ss) = /o ft. <br /> 3. L ngth of rock layer = area width = <br /> R.-.•,.-:.,. 1?•.� <br /> StJo sq. ft. + Io ft. _ 5o ft. ,. .•........:..... <br /> •r.,•r•r•r•r•r•r•r•r•r•r•r.r.r••':•W <br /> � r i r r r:r r r•r•r•r r.: r.r•r <br /> E. ROC VOLUME 1-- Length - <br /> 1. , fultiply rock area by rock depth to get cubic feet of rock; 6-0• ii` <br /> S'oc, sq. ft. x / ft. _ .moi.04- t. ft. <br /> 2. ivide cu. ft. by 27 cu. ft./cu. yd. to get cubic yards; <br /> 5D0 cu. ft. -- 27 = 19 cu. yd. <br /> 3. 1 ultiply cubic yards by 1.4 to get weight of rock in tons; <br /> 19 cu. yd. x 1.4 ton/cu. yd. =.27 tons. 4 % <br /> F. ADSORPTION WIDTH Absorption width Sizing Table <br /> 1. Percolation rate in top 12 inches of soil is •QC.-a rnpi Pt-Twit�on Rim G.lbn. 1 1L <br /> t- .n Muunes per Sat Teirun.pe yr pal Abler; <br /> )b--3c) mp( .`GA IY`r) f0\1 Kca(mei) Iqursloo. to R. <br /> J l <br /> 2. Select allowable soil loading rate from table; Fester than 0.1 •• Co s.rK -. <br /> 0,C�a gpd/ft20.1.1-..Iles <br /> 0 Fin.Send•• OW <br /> 6 to IS Sena,Llan 0.79 <br /> 16 to 30 Ween 0.60 <br /> 3. Calculate adsorption width ratio by dividing rock layer w,o Ca,Lam o.:° <br /> loading rate of 1.20 gpd/ft2 by allowable soil loading rate; Sb-zraan �; ° <br /> 1.20 gpd/ftp+ 0.60 gpd/ft• _ 00 • Soil too coane toe mata,la,ton of <br /> standard system. <br /> See:060.0170 Subp 2.G.).one 26. <br /> 4. Multiply adsorption width ratio by rock layer width to get •• Soil having 343%or mon ofhas sand <br /> plus eery fine sand. <br /> required adsorption width; •••sa.l too heavy foe Imwlauon of a <br /> standard system. <br /> • a,QC) x Io ft = LG ft Sea 7080.0:10Sotp3.A.pap 33. <br />