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� ~ �. . � . PUMP S�I,ECTIOi3�7��TZ��D�IZE � . <br /> . • , .- , . . <br /> 1. D etermine pump capacity: � � � <br /> A. Gra�tity distribution . . . <br /> 1. Minimum required discharge is 10 gpm • . <br /> 2. .Maximunn suggested'disctiar�e is;45,gpm. For other� . . � . <br /> establishzn�nts a�k Ieasfi 1��/o gre�t��taa}he�water supplyc rate, <br /> but no��faster than the rate at which etfl�ient will flow out of the � <br /> distti'bution device. . • • <br /> i. Pressure distribution . " . ' � � <br /> See pressure�distrz'bution work sheet � • <br />'rom�A or B Selected�pump capacitq�: � � gpn1 : <br /> . Determine pump head•requiremen#s; . . <br /> . Elevatioz� differen'ce between pwmp and point of clischarge? • • � so�treotment syste <br /> feet . • ' &p in scharc <br /> a, ' �L�`i <br /> Special head requiremertt?(See Figure at rlghf-Specictl Head Rtq:ti'remertts) , total Ipe <br /> feet . . . 2A,elevotlon <br /> Calculate Fricf3on loss � • � �� difference <br /> . . p�pe <br /> 1. Select�ipe diameter 2 in � . . . � ...... . <br /> .• ................... �z <br /> • ' - ....... ....... <br /> 2. Enter Figure E-9 with gpm(lA or B),ai1d pipe diameter(Ci). . <br /> Readfrictionlossinfeetper�.QOfeetfromFig�eE-9�' S ectal �Head 'Requfrements <br /> Friction Loss=��,ft/100i't of pipe � ravity Otstnbution 0 ft <br /> 3. Deternune total pxpe length froai'pump c13'scharg�to soil treatri�ent ?�"eS��Distt�tbu�ton 5 ft <br /> discharge point.Estimafie by adcl�g 25.percent bo pipe lengthfor • . <br /> fitting loss.Total pipe length times 1,2,5=equi�,alent pipe length ' ' <br /> 4Sc7• feet x 1.25= t . • �-9�FrtMJon�osa In Plastic Pipe - <br /> 4. CaI'cu7ate total friction loss by multiply�ng friction loss(C2) ' P°���foet <br /> in�ft/100 ft.b ,the e v�t 1 . •� riominni <br /> Y q�. �ipe•ength�C3)and divide by 100. flow rato �,��p°d2°mete3�� <br /> = 3•3 ft/100ft x oo +100=_ '3 � ft � <br /> . • . - m <br /> Total head required is.t�te sum of eYevation difference(A�,speci�l��' � ' 2.47 0.73 • 0.11 <br /> head requirements.($).astd total frictipn Ioss (C4) � 25 . 3.73 1.11 0.16 <br /> I'Z- ft+ .�� f{�.���_ ' . 30 5.23 1.65 0.23 ' <br /> Total he�ad: a� �feet � a.96 Z.ob o.30 <br /> � 40 8.91 2.64 0.39 <br />'urnp selection , ' � � �t.o7 s.2s o.as <br /> ' S0 13A6 3,99 0.58 <br />:pump must be selected to deliver at ieast .��,m - �' 4.76 0.7'0 <br /> 1 A or B)with at least_feet of totai head � 5•� 0.82 <br /> �� � 6.48 0.95 <br /> . . 70 7.44• � 1.09 <br /> tereby certity that I have omp�eted this work�in accorclance with applicable ordinai►ces,:rules and laws. <br /> �� V J f Esig�tatiure) �`� �--� <br /> (license� L - L,-bZ (date) <br />