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05/26/2009 13:14 9518273349 DOUGLAS KUNEY PAGE 04/09 <br /> ,�, v. e+rewvevMA} AJu5VV►167 1Wabv a.tWUAIVIR U1 irlvt.:bLvt;h IvitmIum mmuMILY of iV11--rage 3 OI lU <br /> to reduce the area draining directly into the lagoon to prevent un7 cry pumphv-$urface water,unless <br /> needed for filling or dilution.should be diverted Away from the 140 TT,Volume components affected by rainfall <br /> (runoff volume and rainf"vaporatlon volume)must be based or♦the wettest year in i0 yaam fen,Miaanivl QNR <br /> approval. <br /> • Net ratltblifftaporation On the 11apon sufface and!teem nettgYf <br /> This fraction provides storage for the net gain of rdinfal minus iagbmh surface evaporation plus berm arm runoff <br /> (inside the nemetHm),T nos volumest removed when the"w i pumped.For the wettest year out of 10 years, <br /> the rainfall minus eveporati n varies about 1 foot per year In n6rthwest Missouri to 3 feet per year In <br /> southeast Migmni.Similarly,dirt lot and!term runoff varies from i kbout 2 feet per year in rordwrest Missouri to s <br /> feet per year in southeast Missouri. <br /> e Sludge storage <br /> Some fraction of the manure wNs antefing a lagoon remains as botforn sludge.Although the sludge buildup tate <br /> has not been defined,most standards suggest a volume allowanC✓>!for sludge accumulation If sludge removal is <br /> not accomplished during lagoon pumping,Agitation during pumplg Is highly r mrnan led to reduce the sludge <br /> buildup,Current Missouri DNR gutdellnes do not requim that voltri"tin provided for sludge storage;however, <br /> autos a provision may be aftgable. <br /> + Feeoboard <br /> Freeboard in the range of 1 to 3 fest above full pool level Is recon <br /> Pump tlawn rmerxaR' oo f <br /> ,rte ��ryRtAit2!�%Aarmw,xsnton� <br /> J. <br /> im <br /> 11 v <br /> .a aur aam, <br /> Figure 1 <br /> Schematic Cf volume fractions in Lnoon design. <br /> Figure 1 shows the volumes considered In lagoon design thronVfttII ri.Surfer area will very with depth. <br /> Table 2 shows typical lagoon sizes for various es of animals.Thead values are for reference only and slouid not <br /> be used In leu Or e Somme design.For mora duns on lagoon design,refer to ASAE Engineering Practce:ASAE <br /> EP403.3. <br /> Table 2 <br /> Typkal sizes of livestock and poultry lagoons in Missourl(363•cfay rage). <br /> Number,stye and speaks of Toth la Gut volume- t"Aa, Average arcual pumps Soll.plarit <br /> 4rdmeds volar" gown volume- MNN"- <br /> 1,000154-pound finMi lg hags 26$,552 public 8,199 eirofe 128.5 feat x 25.28 s 30 was <br /> fast yards 128.5 fabt <br /> 100 sows ofd Iftra @ 450 182,552 cubic 3,091 sok 785 feetlx 135 10,104 tt9•incfies 9 aeras <br /> pounds In farrowing res ft1 yards feet <br /> RM u+we 4B AM pounds in 2928=G.Wa 5,444 pApio 172 footlx 172 22.04 caro Inchon 48 aero* <br /> gestation tram" feet yards fast <br /> 1001,400-pound dairy caws is 493cubic 9.994 cubic 224 teMIx 224 33.75 tee-Inches 21 aoros <br /> freeseas b*n raw yen9a foot I <br /> 1241.000-pmrnd boot ftm* 348,007 cubic 7.942 cubic 2M feetIx 293 36.14 acra•inchos 12 acres <br /> animals— yards rest <br /> 100,E lay"Q 3 pounds 05,049 pubic 17,953 tubie 297 feetx 297 44.29 acre-inures 145 Beres <br /> feet yards feet <br /> 100,tm0 brokers Q 2 peu%% 1,209,9W cubic 22,721 pubic 328 feet 328 45.30 sere iWws 112 ages <br /> I feet yards feet <br /> "Cat VM&ft for 19 fast inn dem,ewrill rade&Nut 1.10 <br /> ""One aere4nch a 27,184 gallnnc II <br /> "'Collecting runoff from + es 200 Mists feet par lhekd and no meds toonesdon. <br /> —"Acres roqyhW with Bra ch,I.a.,1W pounds of N 11" per aide per"N, <br /> I <br /> h4://extension.missouri.edu/publications/Display .aspx?P=E0387 j 5/21/2009 <br /> i <br />